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96 chevy topkick with a 6.0 litre.backfires and runs rich

Replaced fuel filter

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 83 Answers

SOURCE: 96 Chevy Calaier, Fuel Injector

due you have spark and if not whats your crank speed at and are they any theft lights on this will disable fuel olso insp pcm they had problem with getting water in them and coroding up witch could cause same problem .

Posted on Jan 03, 2009

  • 11 Answers

SOURCE: I have 96 Ford probe gt, sputters and backfires under throttle

check fuse that controlls fuel

Posted on Mar 21, 2009

ourhowse
  • 2007 Answers

SOURCE: My 1995 Plymouth Voyager loses power, surges and backfires.

My first instinct tells me timing chain or belt, but it could be a vacuum line loose, cracked or disconnected. Using a stethoscope, or a length of gasline hose held to your ear, and with the engine running, listen for a hissing sound. Be sure and wiggle all the hoses you can. You might make one hiss. If you don't find anything, get a timing light, and check your timing marks. They should stay in basically one spot. If it's jumping around a lot, you need a new timing chain or belt. Good luck.

Posted on May 01, 2009

Molson02536
  • 3854 Answers

SOURCE: 95 Chevy C-1500 runs rough at idle and during accelleration

Check the vacuum line to the fuel pressure regulator and check to see if the fuel pressure regulator has gone bad. Give the throttle body a good cleaning and the injectors too. Do not use carb cleaner, it's to corrosive for the gaskets used in the throttle body. The other thing too that would cause this is a stuck or bad EGR valve, Try cleaning the EGR valve too since your cleaning the throttle body. Good luck and keep me posted.

Posted on Jun 11, 2009

  • 1 Answer

SOURCE: 93' chevy 4.3 V6 vortec. engine problem

fuel lines inside the intake plhenum may be cracked and leaking inside the plhenum. same thing happened to my 1992.sonoma. they are made of a plastic material and tend to crack right in the bend of these lines.

Posted on Mar 19, 2010

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1 Answer

I got my carburetor problem fixed but now it runs for a while then starts backfiring it'll shut off let's set for a couple seconds and start right back up can anybody tell me why


That sounds like a fuel/air mixture problem.

Just to confirm .. it is a carburettor, not fuel injection?

As a general rule of thumb (with carburettors..) if it backfires through the exhaust/muffler .. the fuel mixture is too rich.

If it backfires through the carb/air filter, the mixture is too weak.

It could also be a 'sticking' float in the carb.

When an engine is cold the fuel is rich .. lots of fuel .. that's how a choke works.. However, when the engine warms up a rich mixture causes problems. The car may splutter and stall, run sluggish or cut out.

Dec 25, 2015 | Cars & Trucks

1 Answer

What will make my chevy S 10 1988 pickup backfire while you decelerating I just got a manifold job done to eliminate the exhaust leak do I have fuel regulator on this truck I'm putting a fuel filter


reason is usually from unburnt fuel being ignited in exhaust --some causes need tune up--running rich--to short an exhaust system-exhaust leak /////yes you have a fuel regulator for your fuel injection the rebuild kits are inexpensive and are easy to do

Aug 25, 2015 | Cars & Trucks

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1986 chevy pu 1/2 ton.2 wheel drive 4.3 litre v-6. My Truck sometimes starts,sometimes runs sometimes just turns over but won't start..I have replaced cap,wires.plugs,rotor,coil,battery and ignition...


Check your fuel pressure. This will tell you if you are getting enough fuel. If you are not getting the proper pressure either your fuel filter is clogged or your fuel pump is failing and needs to be replaced.

Sep 23, 2010 | 1986 Chevrolet Chevy

2 Answers

Ford F150 engine backfiring, running/idling rough


I Have a 1999 ford f150 4.6 that back fires and is just running really ruff when idling alot of nack fire a sord of like a pulse going on what is my problem?

Apr 16, 2010 | Ford F-150 Cars & Trucks

1 Answer

93' chevy 4.3 V6 vortec. engine problem


fuel lines inside the intake plhenum may be cracked and leaking inside the plhenum. same thing happened to my 1992.sonoma. they are made of a plastic material and tend to crack right in the bend of these lines.

Mar 18, 2010 | Chevrolet S 10 Cars & Trucks

1 Answer

I have a 96 chevy blazer with a 4.3 vortec rough


Do a compression test on all of your cylinders when it is cold. Backfiring is a sign of a worn valve seat allowing mixed fuel and air (lit by spark) to be forced back into the intake. You will probably see compression loss on one or more cylinders.

Also... there is a chance that the EGR valve is not totally seated when the engine is cold with just a small blow by. The EGR valve seats coke up over time with black gunk.

Jan 28, 2010 | 1996 Chevrolet Blazer

3 Answers

Firing order on a 1996 chevy 1500


You didn't mention the engine, so here are all options...

4.3 liter V-6 VIN "W" With Enhanced Ignition System
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1996 Chevrolet C 1500 P/U 2WD
5.0 liter V-8 VIN "M OR

1996 Chevrolet C 1500 P/U 2WD
5.7 liter V-8 VIN "R "

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Oct 18, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Turn over but well not stay running backfires though air intake


When is the last time you replaced your fuel filter? Check your fuel filter. If it's plugged you may have taken out the fuel pump. This happened to me. (2000 Chevy Silverado 1500)

DC

Jul 29, 2008 | 2000 Chevrolet Silverado

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