Question about 2003 Chevrolet Silverado 1500

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My 03 siverado 4.3 is stalling and backfiring

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This is the ill effects of a bad ignition module.

Posted on Nov 25, 2013

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What causes my 1965 4 speed mustang to backfire and sometimes stall?


backfiring is ignition of the fuel mixture while an inlet valve is still open. Check firing order as there may be a HT lead crossed . If it backfires then the mixture is burnt in the inlet manifold so there is nothing left for the cylinders so it will stall. If you are running holley carby then check the power valve for a hole in the diaphram Check for vacuum leaks. check ignition timing is correct and not too far advanced. if the HT leads are touching each other this will induce a spark in the wrong cylinder --use lead spacers from an auto spares shop

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Is the check engine light on ? Have you checked the idle air control valve ?

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2002 neon revs up to 4000rpms at start and idles up an ddown 1500rpms-2000rpms after. and begins to backfire near engine .


Engine system needs inspection on case of backfire:-----


Check out related help links to troubleshoot the vehicle backfire issues:-----

Feels like backfire from engine when decelerating?

http://schematicsdiagram.blogspot.in/2012/02/feels-like-backfire-from-engine-when.html


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These will help.
Thanks.

Nov 28, 2012 | 1995 Honda Accord

1 Answer

So i've recently run into a problem where the bike


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On my 1999 chevy siverado 5.3 vortex engine on acceleration backfires at about 3000 rpm. Engine ides rough when heater controls or air condition is on.


Sounds like you have a bad spark plug or wire.It may even be a bad injector .
Symptoms of lack of power under load

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2500 hd duramax crew cab 4 WD pulls right. Both


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Oil pressure gauge in 2003 Chev. Siverado


Most likely cause is a faulty oil pressure sending unit.

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3 Answers

My 1987 nissan sentra stalls after warm -up?


1987 Nissan Sentra 1987 Stalls when warmed up and driven.

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