What happens when the camshaft position sensor does not work?

3. Vehicle will not start The camshaft position sensor gathers information about the vehicle’s camshaft speed and sends it to the vehicle’s engine control module (ECM). The ECM uses this data to determine the timing of the ignition, as well as the timing of the fuel injection that the engine requires.

Why does my Chevy Equinox not turn on?

There are really two main ways that a vehicle will not start. The first and most common is when it won’t turn over. This just means that the engine doesn’t move when you turn the key. The second way that your Equinox won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own.

What are the problems with the 2014 Chevy Equinox?

See all problems of the 2014 Chevrolet Equinox . The cam shaft position sensor is defective. The vehicle shuts down when idle is low. Passenger air bag alarm goes off when seat is empty and occasionally the passenger air bag turns off while an adult passenger is in the seat due to a faulty connector.

Can a bad crankshaft sensor cause the engine to stall?

If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall. This is usually a symptom of a wiring problem, however a bad crankshaft position sensor can also produce this symptom.

What happens when the camshaft position sensor goes bad?

You will notice that your gas mileage is reduced and that you’ll be pumping gas more frequently. Check Engine Warning Light – The camshaft position sensor is a device inside the engine. If this sensor were to malfunction or go bad, it will cause a chain reaction that will affect other functions of the engine.

Why does my Chevy Equinox feel like it is stalling?

Otherwise, the vehicle could take off on you and cause an accident. So, if the Equinox loses signal from the Throttle Position Sensor for a moment, it’ll feel like a stall. Here’s a great article on diagnosing a bad throttle position sensor from cars direct.

Are there any issues with the Chevy Equinox?

One of the most common issues with the 2nd generation Chevy Equinox is a stalling problem. The most challenging part of the problem is that they are known to stall at any time. Before troubleshooting any automotive issue, including stalling issues with the Chevy Equinox, make sure that you check the vehicles trouble codes with an OBD2 scanner.

Why is my Audi A6 C6 not starting?

Check starter and its wires. If the starter is in good shape, proceed to Step 4. They could be dirty or faulty. In the Audi A6, it’s rather hard to get to the fuel injectors, as they are covered with tons of engine parts. They are attached to the fuel rail, so you will need to remove the fuel rail to inspect them.

Is there a Repair Manual for an Audi A6?

Motor Era offers service repair manuals for your Audi A6 – DOWNLOAD your manual now! Audi A6 service repair manuals More relating to Audi’s… One of the best ways to add style to your car is to buy a great set of rims.

Can a faulty camshaft sensor cause a P0300 code?

Answer: No, a faulty camshaft sensor can’t cause a knocking sound unless it affects ignition timing. Question: Can a faulty camshaft sensor cause a P0300 code? Answer: A number of faulty components may trigger a P0300 code, including: a bad camshaft position sensor

What does the p1345 sensor on a Chevy mean?

P1345 Chevrolet Meaning. The Crankshaft Position (CKP) sensor is a permanent magnet generator, known as a variable reluctance sensor. The magnetic field of the sensor is altered by a crankshaft mounted reluctor wheel that has seven machined slots, 6 of which are equally spaced 60 degrees apart.

What happens when the crankshaft position sensor goes bad?

If the computer detects a problem with the crankshaft position sensor’s signal, it will activate the Check Engine Light to alert the driver of the problem. A Check Engine Light can also be set off by a wide variety of other issues. Having the computer scanned for trouble codes is highly recommended. 4. Uneven Acceleration

What are the possible causes of p1340 code?

P1340 Possible Causes 1 Faulty Camshaft Position Sensor 2 Camshaft Position Sensor harness is open or shorted 3 Camshaft Position Sensor circuit poor electrical connection 4 Faulty starter motor 5 Starting system circuit 6 Dead (Weak) battery More

What can cause a p0014 DTC trouble code?

A P0014 DTC trouble code may be caused by one or more of the following: Incorrect camshaft timing Wiring problems (harness/wiring) in intake timing control valve control solenoid system Continuous oil flow to VCT piston chamber Failed timing valve control solenoid (stuck open)

When does the crankshaft position sensor ( Pos ) become inoperative?

When the crankshaft position sensor (POS) system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals. Need more information on how to fix the P1340 code?

Where is Bank 1 on a p0014 engine?

Bank 1 is the side of the engine containing cylinder #1. The “B” camshaft shall be either the “exhaust,” “right,” or “rear” camshaft. Left/Right and Front/Rear are determined as if viewed from the driver’s seating position. Most likely a P0014 DTC will result in one of the following: hard starting, poor idle, and/or stalling.

What are the symptoms of a bad air flow sensor?

You may experience: 1 Engine hesitation and/or surging 2 Hard engine seizures 3 Hard starting 4 Check Engine Light

Where is the cam position sensor on a 1.8T engine?

In essence, computerized engine management made turbocharged engines like our 1.8T much more viable for auto manufacturers to build and sell. Fortunately for us, the cam position sensor in the 1.8T sensor is conveniently located and fairly easy to change.

How does an air temperature sensor work in a car?

The energy required to maintain the sensor at the same temperature is calculated and sent to the powertrain control module (PCM). The PCM then controls the injectors to deliver the specific amount of fuel that’s proportional to the airflow, creating an air fuel mixture that, ideally, is perfect for your engine. Vehicle-specific.

Where is the fuel pressure sensor on an Audi A6 C6?

Start with the high pressure fuel sensor. The high pressure fuel sensor is located on the right side of the engine, on the passenger side. Simply pull it out while squeezing its plastic tab, then install the new one.

Where is the low pressure fuel sensor located?

Locate the low pressure fuel sensor, which is located on the left side of the engine, on the driver side closer to the front of the car. Use a wrench to remove it, then install the new one in place.

How can you tell if your fuel pressure sensor is bad?

If you see the engine warning light illuminate on your dashboard, then it could be a sign that your fuel pressure sensor is bad. Sometimes the engine control unit will sense a problem with the signal from the fuel rail sensor. Then it will activate the check engine light to let you know there is some kind of problem that is related to the engine.

When did the first Audi A4 come out?

The A4 instantly skyrocketed from its newbie status to one of the world’s favorite luxury vehicles because of the world-class finish of its exterior and interior and the vehicle’s undeniably powerful engine. The first generation of Audi A4 released in 1994 descended from the B5 platform of the Volkswagen group.

What are the safety features of the Audi A4?

The Audi A4 also got the “Top Safety Pick for 2007” from the Insurance Institute for Highway Safety for its safety upgrades. These additional safety features include the side airbags on the front and rear seats and the side-guard curtain bags.

What kind of engine does the Audi A4 have?

The following year, the Audi A4 had a much-needed facelift by featuring an all-new 2.8-liter V6 engine, a 2.5-liter V6 TDI diesel engine with standard Quattro permanent all-wheel-drive, and an option for a six-speed manual transmission gearbox. Its light assembly and door handles were also redesigned.

What kind of suspension does a 1997 Audi A4 have?

Audi A4 Quattro Sedan I Generation 1997, S1™ Front and Rear Lowering Coilover Kit with 1.5″-3″ Front and 1.5″-3″ Rear Body Drop by Solo-Werks®. Quantity: Sold as a Kit. Solo-Werks engineers utilised their more than 25 years experience…

What kind of Springs does an Audi A4 use?

AST Lowering Springs are manufactured from a premium high tensile… Audi A4 1997, Front Non-Adjustable Control Arm and Ball Joint Assembly by Proforged®. Quantity: 1 per Pack. Upgrade your suspension system with more durable ball joints and components that can stand up the abuse.

How does the camshaft position sensor work on a VVT engine?

If there are two banks on a VVT-equipped engine, then there will be two camshaft position sensors. The camshaft position sensor reacts to a toothed wheel on the camshaft, which gives the ECU constant information on its speed and position.

What does no spark on camshaft sensor mean?

No spark means that the engine will not start at all, indicating that the camshaft sensor has failed. Newer cars will detect that the camshaft position sensor is not functioning properly, then they will use the crankshaft position sensor instead.

How to find the camshaft position sensor on a Ford Transit?

The code is po369 po365. I I am trying to locate the camshaft position sensor on my 2015 ford transit and cant find it. The code is po369 po365. I – Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website.

Is the cam position sensor part of the ignition?

No. Cam position sensor is part of your ignition, which is why the model years, 99-01 are so limited. Not positive if you could update everything to post-01 parts, or if it’s cost effective to even do so.

How does the cam sensor on a GM 3.8L work?

How The Cam (CMP) Sensor Works. The camshaft position sensor, on your 3.8L V6 GM engine, is a three-wire Hall Effect Type sensor. So, for it to work, it’s gonna’ need an external power supply and a path to ground (for this power).

How is the cam sensor on a car activated?

The camshaft position (CMP) sensor is activated by a magnet on the camshaft gear (this magnet is known as the camshaft position sensor interrupter). As the cam gear turns and this magnet passes the camshaft position (CMP) sensor, it activates the cam sensor.

What should I do if my cam sensor fails?

You’ll also see one or several of the following symptoms when the cam sensor fails: Diagnostic trouble code: P0341: Cam Sensor Circuit Performance. Poor gas mileage. Idle rough at start up and engine may stumble and stall.

How can I test my crankshaft position sensor?

Here is how you can easily test both your crankshaft position sensor and camshaft position sensor. It’s very important to be able to test these sensor since because they control your ignition and fuel injector pulse and if they fail they could cause a Crank No start condition. Instagram: https://www.instagram.com/ratchetsand…

How does the camshaft advance actuator system work?

With the signal received from the PCM, the solenoids actuators open allowing engine pressure to enter either one of the two passages; camshaft advance or camshaft retard. Since the solenoid is pulse width modulated, the system can vary camshaft position between its two limits (25 or 50 degs depending on system).

https://www.youtube.com/watch?v=zWYJhcVXw_M

Is the cam sensor the same as the crank sensor?

To further muddy the waters, many modern V-engines have more than one cam position sensor. If your scan tool or mechanic says that either crank or cam sensor needs to be replaced they are talking about explicitly different parts at different locations in your engine. It is not the same as far as I know, but working on same principle.

How are engine speed sensors and crank position sensors used?

As soon as the crankshaft position sensor and camshaft position sensor observes the change in the position of shafts they send signals to Engine Control Unit. And then ECU commands the fuel injectors and Ignition coil to function as per engine timing which starts the engine.

What are the symptoms of a bad camshaft position sensor?

Symptoms of a Bad or Failing Camshaft Position Sensor. $79.99 – $89.99. Average rating from 4,829 customers who received a Check Engine Light is on Inspection. The camshaft position sensor gathers information about the vehicle’s camshaft speed and sends it to the vehicle’s engine control module (ECM).

Where is the temperature sensor on a 2004 Buick LeSabre?

2004 Buick Lesabre 3800 v-6. Temperature gauge needle laying down to the right past the H. Only moves,jumps a quarter of a inch when ignition is turned on. Bad temperature sensor? instrument panel cluster (gauges) problem. got had just two terminals, while the old plug has three receptacles. sensor. Some cars have 1 for the gauge or light,

Where is the camshaft sensor on a 3800 V6?

On the 3800 V6, the camshaft position sensor is located behind the water pump pulley. If you were to look at the pulley straight on, it is at about the 9 o’clock position.

What kind of Hall effect does a camshaft position sensor use?

The Hall-effect type uses an external power source to produce a digital signal (a “square wave,” on-or-off) and has three wires. Note: If you are new to all this, you should know that the camshaft position sensor is a different part from the crankshaft position sensor.

Where is the cam sensor located on a car?

Where is it Located? The cam sensor is located in the valve cover near the top of the engine or they can be located at the front or rear of the cylinder head as in the picture below. When a cam sensor goes bad it will cause the check engine light to come on and produce a trouble code.

What should the voltage be on a camshaft sensor?

After these checks, use a digital multimeter that can test either alternate current (AC) voltage or direct current (DC) voltage, depending on your particular type of camshaft position sensor. You’ll also need the correct electrical values for your particular type of sensor. You may find this information in your vehicle repair manual.

Why is Bank2 not reading the cam gear?

Bank2 seems to be one tooth off on the cam gear. You need to put the engine to TDC and get a special tool to set the cam gear to TDC read the book or find an article on it. Bank one it’s probably off more than a tooth that’s why its not reading it.

Is the wiring loom the same as the camshaft?

It seems that some related components might share the same signal ground via the ECU. The wiring loom looks to be suspiciously rewrapped in one particular area.

How to test the Camshaft Position Sensor ( CMP )?

Symptoms Of A Bad Camshaft Position (CMP) Sensor. Circuit Descriptions Of The Camshaft Position Sensor. TEST 1: Testing The Camshaft Position Signal. TEST 2: Making Sure The CMP Sensor Has 5 Volts. TEST 3: Making Sure The CMP Sensor Has Ground. Where To Buy The Camshaft Position Sensor. More 5.2L, 5.9L Dodge Ram Diagnostic Tutorials.

How to test the cam sensor diagnostic trouble?

No scan tool required for the cam sensor test since a scan tool is not gonna’ be much help. Aslo a resistance test of the cam sensor will get you no-where since the camshaft position sensor is a Hall Effect type sensor that can not be Ohm-ed (resistance tested) with a multimeter.

How does the cam position sensor 7.3 CPS work?

And that means that it helps your 7.3 Powerstroke diesel engine deliver fuel to the right cylinder at the right moment in the timing sequence. Here’s how it does that: The inserted end of the 7.3 CPS is a magnet. The magnet’s job is to sense the spokes and gaps (windows) on the camshaft wheel.

What kind of engine does a Grand Am Se have?

The high output engine was introduced with both a special production run of 200 Cutlass Calais International Series coupes, as well as 200 Grand Am SE coupes — all featuring bright red paint, and gray interiors. The LG0 engine was only available with the heavy-duty Getrag designed HM-282/NVG-T550 five-speed manual transmission .

When did the Pontiac Grand Am Le come out?

1990–1991 Pontiac Grand Am LE with the “sport performance package” (RPO: W32) The W41 was the highest-output Quad 4.

When did the Quad OHC twin cam come out?

Although power and economy were better than the Tech IV, the Quad OHC was retired after 1994 when the DOHC version became standard. The LD9 Twin Cam was a 2.4 L (146 cu in) Quad 4 variant with balance shafts, and a redesigned cylinder head which debuted in 1996.

1990–1991 Pontiac Grand Am LE with the “sport performance package” (RPO: W32) The W41 was the highest-output Quad 4.

Where is the camshaft synchronizer located on a 1995 Ford Mustang?

Location (1995+ Ford 3.0L): The the Camshaft Syncro Shaft (Camshaft Synchronizer) is on the top back passenger side of the engine. There is a hold down bolt (#3 in diagram below) that holds it in place. The Camshaft Position Sensor is attached to the top of the Camshaft Sycro Shaft.

Where is the camshaft position sensor located on a Ford Ranger?

The Camshaft Position Sensor is attached to the top of the Camshaft Sycro Shaft. NOTE: If the camshaft position sensor housing does not contain a plastic locator cover tool, a special service tool such as T89P-12200-A, or equivalent, must be obtained prior to installation.

How to change the camshaft position of an oil pump?

Transfer the oil pump intermediate shaft from the old camshaft position sensor housing to the replacement sensor housing.

When did the 3.0L camshaft position sensor change?

Do not get this confused with a CPS which is a Crankshaft Position Sensor) Starting in 1995, the 3.0L received a distributorless ignition system (DIS).

Can a faulty camshaft sensor cause an engine to start?

If the camshaft position sensor or circuit is faulty, most engines will start. However, the PCM misfire diagnostic will likely be affected. On the 1991–94 2.9L and 3.0L engine, the distributor stator is the Camshaft Position (CMP) sensor, and it is a Hall effect magnetic switch.

Where is the camshaft position sensor located on the Ranger?

The Camshaft Position (CMP) sensor consists of a permanent magnet, yoke and coil. The CMP sensor is positioned next to the cam gear. As each cam gear tooth passes the sensor magnetic pick-up an AC voltage pulse is induced in the coil.

Do you need a camshaft position sensor for a Chevy Silverado?

We offer these sensors for your specific make and model, so whether you want Chevy Silverado camshaft position sensors or a cam position sensor for F150 pickup trucks, you’re sure to find everything you need when you rely on AutoZone. Take advantage of our Same Day Store Pickup policy if you need your camshaft position sensor immediately.

Can a faulty camshaft sensor cause an engine to misfire?

A defective sensor can cause your vehicle’s engine to stall without notice at any time. A faulty sensor can also cause your engine to misfire, since the spark timing is thrown off. Choosing a top-grade camshaft position sensor from AutoZone can positively affect your ride’s performance by boosting its fuel economy and engine speed.

Is there a p0340 camshaft position sensor replacement?

Code P0725 / P0335 / P0340 – Camshaft Positioning Sensor Replacement – Nissan Altima. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

Where are the crankshaft and camshaft sensors located?

Go to the drop-down menu bar at the lower left corner of the Waveform Library window and select Crankshaft sensor (Hall effect) or Camshaft sensor (Hall effect). An engine’s CKP and CMP sensors provide the Engine Control Module (ECM) with critical engine speed, position, and timing reference data.

How many CMP cycles are there on a camshaft sensor?

Each cylinder specific phase of the camshaft rotation indicated by the relative switching periods of the CMP sensor signal. One complete CMP sensor waveform cycle for every two complete CKP waveform cycles. Stable voltage levels, whether around 0 V or around 5 V, on both channels.

When does the camshaft position sensor begin to fail?

The camshaft position sensor isn’t checked in most regular services, but your vehicle has warning signs for when the sensor begins to fail. Because it sends information to the camshaft, when the sensor begins to fail your engine will begin to have trouble.

Can a faulty camshaft sensor cause a knocking sound?

Question: Can a faulty camshaft sensor cause a knocking sound? Answer: No, a faulty camshaft sensor can’t cause a knocking sound unless it affects ignition timing. Question: Can a faulty camshaft sensor cause a P0300 code? Answer: A number of faulty components may trigger a P0300 code, including: a bad camshaft position sensor

Can a bad cam sensor cause only one cylinder to misfire?

Answer: If the faulty cam sensor has a bad effect on ignition timing (at least in some models), it can lead to a misfire; enough raw fuel will cause the catalytic to get red hot. Question: Would a bad camshaft sensor cause only one cylinder to misfire?

Why is the camshaft sensor not getting stable 12V?

Long story short – in one of the answers it was suspected that camshaft position sensor is not getting stable 12V, so as a test it was suggested to connect Battery+ directly to the sensor’s camshaft position sensor’s Orange pin and car started successfully.

What causes the camshaft sensor to produce a false signal?

Problems with the tensioner or support rail usually translate into a rattle and/or clicking sound coming from the timing chain. It’s possible that it can cause the camshaft sensor to produce a false signal since the crankshaft and camshaft won’t be synchronized. This seems to be a problem in some Mini Cooper models.

How to test the cam sensor ( Chrysler 2.0L, 2.4L )?

Testing the camshaft position sensor and/or a Code P0340 ( No cam signal al PCM) on your Chrysler (or Dodge or Plymouth or Eagle) equipped 2.0L or 2.4L 4 cylinder is an easy test that you can accomplish with a multimeter. You don’t need a scan tool to follow the test steps in this article.

Where is the cam sensor located on a Dodge?

The last remaining, delivers the signal, that the CMP sensor creates, to the PCM. If your specific Chrysler (or Dodge or Eagle or Plymouth or Mitsubishi) uses the square or the round camshaft position (CMP) sensor, they are both bolted to the rear of the Cylinder Head (this is the side that faces the transaxle).

How do you test a camshaft sensor on a car?

Watch the performance on a sensor scan tool. Turn the scanner on, and insert the year, make, model and engine size to bring up the correct sheet. The next question the tool will ask is what type of test desired — press “component test.” Scroll down to “Camshaft Sensor” and press the button marked “Enter.”

When does the camshaft position sensor need to be replaced?

If you have any of these symptoms, it could mean the camshaft position sensor needs to be replaced by a professional mechanic as soon as possible. It needs to be completed before the engine cuts out and dies while you are driving, or does not start at all. 2. Check Engine Light comes on

How can you tell if your camshaft sensor is bad?

If there is no spark, then the sensor is bad. If the engine will start but with difficulty and the power is very sluggish and the engine runs rather uneven (cannot hold a steady rpm), the camshaft sensor is likely the culprit. This is the best that can be determined without the proper tools.

What is the code for a bad crankshaft position sensor?

A diagnostic scan tool will show a code between P0335 and P0338. The check engine light doesn’t always come on, though, so you could be experiencing any of the above symptoms for some time before you see the warning light. There are a number of different problems that can cause similar symptoms to a crankshaft position sensor problem.

Is there a Hall effect sensor on the camshaft?

The camshaft sensor and the crankshaft sensor, although both hall effect sensors, serve different purposes. They both can be diagnosed using similar procedures. Neither sensor should have any glitches or dropouts in their respective sine waves when checked on an automotive oscilloscope.

Where are the camshaft position sensors located on a car?

They are mounted in the front of the cylinder heads, near the camshaft actuators, across from each other. The sensors should be visible by removing the engine covers, the uppermost sensor being the intake camshaft position sensor, while the lower the exhaust camshaft position sensor, again with this setup on both sides of the engine.

You will know when these problems present themselves because the symptoms will become very apparent. Below are five common signs which will indicate a faulty camshaft position sensor. The mixture of air and fuel in the internal combustion engine requires a spark in order for the ignition to take place.

What are the symptoms of a bad crankshaft position sensor?

Cost of Replacing a Bad or Failing Crankshaft Position Sensor. Common signs of a faulty crankshaft position sensor include issues starting the vehicle, intermittent stalling, and the Check Engine Light coming on. Our certified technicians can come to you and diagnose the problem.

Where is the camshaft timing pin on a DTC p0340?

It is mounted at the end of the Intake Camshaft (See Fig. 2). When the Camshaft Timing pin comes close to the sensor head, the voltage at the signal wire drops to zero. It rises back to 12 volts when the pin leaves the sensor head. The Camshaft Position Sensor sends this signal to the PCM via the signal wire in the wiring harness (See Fig. 3).

What are the symptoms of a bad cam position sensor?

Symptoms of a failing cam or crank sensor are generally the same, and include poor acceleration and gas mileage, misfires, rough idle, stalling, and a check engine light. When the camshaft position sensor fails completely, the engine will not start or will shut off if it fails during operation.

What does a bad camshaft sensor do?

At low speeds a bad camshaft sensor will cause the car’s engine to stall. The engine may also experience an inability to turn over, resulting in the car not starting.

What are the symptoms of a failed camshaft sensor?

“Check Engine” Light The first symptom of a failing camshaft sensor manifests as a warning from the car’s control module.
Disrupted Driving Another symptom of a failing camshaft sensor is experiencing constant disruption while driving.
Ignition Trouble

How do you test cam position sensor?

To test the camshaft position sensor, you need a multimeter and a magnet. Connect the sensor to a multimeter and set it to diode or low-resistance function. Use the magnet and pass it in front of the sensor several times.

What is the error code for camshaft position B?

Error Code P0015: “B” Camshaft Position – Timing Over-Retarded (Bank 1) Error Code P0015 is defined as Camshaft Position B – Timing Over-Retarded (Bank 1). This refers to variable valve timing (VVT) or variable camshaft timing (VCT) components and the vehicle’s powertrain control module (PCM or ECM).

When to delay intake and exhaust camshaft timing?

Both intake and exhaust camshaft timing are typically delayed at higher RPMs for improved power. At times where the VVT is used on exhaust camshaft in an OHC (overhead camshaft) or DOHC (dual overhead cam), engine delay is also sometimes used to lessen the NOx (nitrogen oxide) emissions when under load.

How much does a camshaft position sensor cost?

Out of all the sensors in your vehicle, a camshaft position sensor is often one of the least expensive. Depending on your make and model, expect to pay between $20 to $100 in most cases for a replacement sensor. On top of that, add about $60 to $90 in labor costs.

What’s the job of the camshaft in a car?

The job of the camshaft is to manage the intake of gasoline and the emission of fumes from the exhaust system. There are offset lobes attached to the camshaft which control the exhaust valves and intake valves. A timing belt and chain link the camshaft to the crankshaft,…

How to replace a cam position sensor on Yukon, suburban?

How to replace a cam position sensor on a Yukon, Suburban, Silverado, or Escalade. – YouTube How to replace a cam position sensor on a Yukon, Suburban, Silverado, or Escalade.

Can a check engine light be an oxygen sensor?

It seems as though the check engine light and O2 Sensor codes have always gone hand in hand. I can’t even begin to tell you how many perfectly good sensors I’ve seen replaced for a rich/lean code, or as a cure to a service engine light that comes and goes. Fact is, when oxygen sensors were first being used, they did tend to fail.

Why is the O2 sensor on my car not working?

There are also some other possibilities such as an internally leaking EGR system, (but this will typically set a separate code). A leak in the exhaust system before the O2 sensor will also cause incorrect readings. And always check for after- market modifications. These can throw a wrench into the works!

How does the speed sensor on a car work?

Your vehicle’s engine speed sensor, or vehicle speed sensor as it is also known, sends information to your car’s computer about how fast the car’s engine is spinning at any particular moment. The sensor does this by recording how fast the crankshaft of your vehicle is spinning.