Where are the ignition coils on a Cavalier?

If you need to test the ignition coils sitting on top of the ignition control module, on your 2.2L Cavalier or Sunfire, click here: How To Test The GM Ignition Coil Packs: 2.2L Chevrolet Cavalier and Pontiac Sunfire. To see all of the GM 2.2L ‘How To Test’ Articles, you can go here: GM 2.2L Main Index Of Articles.

How to diagnose misfire codes in GM Cavalier?

This tutorial supplements the information in the tutorial: How To Diagnose Misfire Codes (GM 2.2L). Also, the info presented here applies to the GM 2.2L 4 cylinder equipped Chevrolet Cavalier, or Pontiac Sunfire, or Chevrolet Sonoma, or GMC Sonoma. Contents of this tutorial: TEST 1: Engine Compression Test.

What kind of engine does a Chevy Cavalier have?

Also, the info presented here applies to the GM 2.2L 4 cylinder equipped Chevrolet Cavalier, or Pontiac Sunfire, or Chevrolet Sonoma, or GMC Sonoma. Contents of this tutorial: TEST 1: Engine Compression Test. How To Interpret The Engine Compression Test Results. TEST 2: ‘Wet’ Engine Compression Test. Why An Engine Compression Test?

What happens when ignition coil pack goes bad?

When an ignition coil pack or Ignition Control Module goes BAD, on your 2.2L Chevy Cavalier or Pontiac Sunfire, the car will suffer a misfire condition or a ‘no spark no start’ condition. Here’s a short list of symptoms: Check Engine Light (CEL) on. Misfire Codes: P0300, P0301, P0302, P0302, P0304.

What causes a misfire in the ignition system?

The ignition system is usually the culprit behind a misfire. The usual suspects (that cause a misfire, rough engine idle, engine miss, ‘dead’ cylinder, etc.) are: Bad spark plugs. Bad spark plug wires. Bad distributor cap.

What makes a GM 4.8L misfire engine stall?

P0306: Cylinder #6 Misfire. P0307: Cylinder #7 Misfire. P0308: Cylinder #8 Misfire. Really bad gas mileage. Lack of Power when you accelerate your van, pickup or SUV. Engine may start, run for a few minutes and stall.

What are the misfire codes for GM 4.3L?

P0303 Cylinder #3 Misfire. P0304 Cylinder #4 Misfire. P0305 Cylinder #5 Misfire. P0306 Cylinder #6 Misfire. P0307 Cylinder #7 Misfire. P0308 Cylinder #8 Misfire. Sometimes, even tho’ the engine is suffering a bona-fide misfire, no misfire codes are registered in the computer’s memory and/or no check engine light (CEL) on.

Where to find Vin 4 firing order diagrams?

Repair Topics > Ignition > Firing Order Diagrams > GM vehicles > 2.2 4-cylinder VIN 4 firing… Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period. They include wiring diagrams and technical service bulletins. In most cases, their diagrams are right from the factory manuals.

If you need to test the ignition coils sitting on top of the ignition control module, on your 2.2L Cavalier or Sunfire, click here: How To Test The GM Ignition Coil Packs: 2.2L Chevrolet Cavalier and Pontiac Sunfire. To see all of the GM 2.2L ‘How To Test’ Articles, you can go here: GM 2.2L Main Index Of Articles.

What causes an ignition switch to overheat?

This is an accurate sign that the ignition switch problem could be rooted in the electrical system. The ignition switch is connected to a series of high-resistance wires and any of the terminals connecting these wires can overheat. This causes an arcing of the terminals which can melt the insulating base.

Why are my ignition keys so hot after being in the car?

I would want that problem solved before buying the car. It could simply be an ignition switch with worn/burned contacts or it may have something else contributing to the problem. Keys can often be very hot after being in the cylinder of a car with a very hot cabin. Was it a hot, sunny day?

Why does my car not start when I Turn on the ignition switch?

The ignition switch is connected to a series of high-resistance wires and any of the terminals connecting these wires can overheat. This causes an arcing of the terminals which can melt the insulating base. When this occurs, the vehicle will jerk quite violently and will not start despite repeated efforts.

How to test the ignition module and crank sensor?

We’ll first check for the basics like battery voltage and engine Ground to the ignition control module (ICM).

Why do you need two ignition control signals?

These two Ignition Control (IC) signals contain the data the ignition module needs to be able to know the exact moment to start switching on and off the primary current of the ignition coils that are sitting on top of it. Thus the two Ignitions coils start to spark away.

Where is the CKP sensor on the ignition module?

As you can see, the CKP sensor signal is critical for the ECM and ignition control module to start sparking the Igntion coils at START UP and at all engine speeds. The CKP sensor is located on the block.