Are there any problems with the Chevy 4.3 engine?

Once you have ruled out all the basics, you can go back to what the Chevy 4.3 engine is known for: bad idle air control valves and throttle control switches. This article was written by a professional writer, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

What kind of noise does a Chevy 4.3 make?

by Contributor. A common complaint with the Chevy 4.3 engine is that it doesn’t idle well, it’s loud and makes awkward noises. Examples of this are staling, lurching and poor acceleration. Poor idling and loud engines usually go hand-in-hand.

What causes a Chevy 4.3 engine to stall?

Lack of oil will cause a knocking sound in the engine, stalling, poor acceleration and eventually engine break down. Lack of transmission fluid, battery fluids, radiator and cooling system fluids can all cause symptoms that mimic bad idle air control valves and throttle control switches.

How long does a Chevy 4.3L Vortec engine last?

3 vortec is a very strong and reliable motor, proven by it being the longest lasting production vortec engine. Generally, these engines are extremely capable of lasting up to 300,000 miles.

What are the torque specifications for a GM 4.3L V6?

81 972 109.82 Vortec – Main Bearing Cap Bolts Type: Bolt 77 924 104.4 Vortec – Main Bearing Cap Bolts Type: Bolt 15 180 20.34 Vortec – Main Bearing Cap Bolts – 2 Steps: 15 FtLbs; +75degs Type: Bolt Crankshaft Position Sensor To Engine Block 8 96 10.85 Type: Bolt Crankshaft Position Sensor To Engine Block 15 180 20.34 Type: Bolt

What kind of truck starts and then dies?

I have a 99 c2500 and it starts for a second then dies, I just finished rewiring the entire dash 2 people found this helpful.

3 vortec is a very strong and reliable motor, proven by it being the longest lasting production vortec engine. Generally, these engines are extremely capable of lasting up to 300,000 miles.

Is the 1992 Chevy 1500 a good truck?

Showing 3 of 1,654 reviews. Comfortable to drive any distance. Some paint fade on shell and truck. Dent on lower Although 1995 this truck has been well maintained and is very reliable. Has a matching hard shell. Sturdy, minimum dings and dents. Very little rust Needs mechanical & AC work. Compressor is ok.

How old is the 1993 Chevy 1500 truck?

Needs mechanical & AC work. Compressor is ok. My Dad bought this truck about 15 years ago. It was in great shape and he kept it that way. When he passed away, he left it to me and my sister. We’ve held onto it for sentimental reasons and it was driven very rarely.

What causes the brake lines to bleed on a Chevy?

Bleed the brake lines as recommended by Chevy to fix this. You could also have a ballooning brake hose when the brakes are applied. Check your brake hoses for anomalies. Excessive Brake Travel: If the brake linings are worn, the drum brakes are misadjusted or the brake lines have air in them, you will have this issue.

How do you know if your Chevy has a brake problem?

You will find the booster between the master cylinder and the firewall in your engine compartment. A check valve that is faulty can also let vacuum bleed out. You can diagnose this by starting your Chevy in order to build vacuum, and then turning it off for four or five minutes. Then you should try the brakes.

What causes brake fluid to go down in a Chevy?

Even with proper maintenance, you may find yourself with an unexpected brake problem — here are some of the most common examples. Low Brake Fluid: Your Chevy may develop a leak in the system that will result in the fluid level going down.

What kind of brake problem does Chevy Silverado have?

I have a 2003 Silverado 1500 4×4, I have been experiencing a front brake rattle when drive rough spots in the road with my foot off the brake, when I apply slight pedal pressure the rattle is gone. I have taken to the dealer multiple time with no results, they say from temp changes to lubrications of the slides.

How to troubleshoot a Chevy 4.3 engine?

1 Common Problems. A common complaint with the Chevy 4.3 engine is that it doesn’t idle well, it’s loud and makes awkward noises. 2 Idle Air Control Valve and Throttle Conrtol Switch. Open up the hood and look at all the wires, spark plugs, tubes, vacuum lines and valves. 3 Check Your Oil. 4 Vehicle Fuilds.

Why does my Chevy truck backfire when I hit the gas?

Its sputtering, backfiring, misfiring, in the low RPM band (below 2k) hit the gas and it upshifts and clears up. I also noticed its idleing rough. So, leaky-cracked manifold?

What causes an engine to backfire after months of use?

For example, a spark plug gap may widen after the plug has been in operation for months and make it difficult for the spark to jump. Also, carbon buildup may isolate the electrodes, preventing proper combustion. Unburned fuel then is allowed to pass into the exhaust system where it can backfire.

Are there any problems with the Chevy 4.3 Vortec engine?

The 4.3 Vortec engines made from 1996-2002 (L35 and LF6) have been reported to have engine knock problems. In a properly functioning engine, fuel burns in even pockets instead of all at once. The pockets burn in even timing, in sync with engine cycles. Engine knock occurs when the fuel burns unevenly and out of sync with the engine cycles.

Why does my Chevy 350 backfire under load?

When high performance turbo engines are under load they use an excessive amount of fuel which then is transferred into the exhaust system once the throttle is let up on and the engine is de-accelerating. This is a normal event and there is no problem with this condition.

What causes a car engine to backfire with low gas mileage?

On older engine’s ignition timing is set at a specific degree in relationship to the crankshaft. If this timing is mis-adjusted it can cause low power, poor gas mileage, engine detonation (pinging) and backfiring through the intake or exhaust system.

What can cause a backfire through the intake system?

Although there are many problems that can cause the intake system to backfire, the overall effect is the same. Since the intake valve needs to provide the engine with a proper balance of fuel and air, a backfire occurs when that balance fails.

What kind of engine does a Chevy Vortec have?

The Chevy vortec engine line spans from small block V6’s to big block V8’s and also includes some inline 4, 5, and 6 engines used in less popular GMC brands. The term “vortec” is simply a marketing name used by Chevrolet to communicate its use of “vortex technology”.

When was the 1995 Chevy C K 1500 purchased?

Purchased on 12/15/94 and owned in OH until 06/12/21. Driven an estimated 9,355 miles/year. Last serviced at 124,055 miles 04/09/03 • Vehicle serviced. Mileage: 248,000 miles Body Type: Pickup Color: Beige Engine: 6 Cyl 4.3 L No accident or damage reported to CARFAX.

How many miles does a 1995 Chevy 1500 have?

Mileage: 144,384 miles Body Type: Pickup Color: Green Engine: 8 Cyl 5.0 L Other damage reported. 1st owner purchased on 04/15/95 and owned in MS until 05/07/15 • 2nd owner purchased on 05/07/15 and owned in TX until 12/05/18 • 3rd owner purchased on 12/05/18 and owned in TX until .

What kind of engine does a Chevy truck have?

These vehicles featured a 350 ci, 5.7 Small Block Chevy with TBI (throttle body injected) EFI system, and swirl port heads. Producing up to 210 hp in factory spec, this engine can also be retrofitted into an older car with a performance carburetor to produce up to 250 hp.

Are there any problems with the Chevy 4.3 engine?