Question about 1999 Pontiac Firebird

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Engine misses Why does exhuaust **** in when engine is running?

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  • Pontiac Master
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Change plugs wires +plugs and coils.first do a compression or cylinder leak down test.

Posted on May 16, 2009

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Posted on Jan 02, 2017

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My 1996 Hyundai is only running on 3 cylinders how do I find out which cylinderits missing on?


I am curious, how do you know it's missing?

One way (safest way) is with a temperature read
er: with the engine running, aim the reader at each exhaust port. The missing cylinder will be colder than the others.

Another old-school way: (electrical shock hazard) with the engine running, pull the plug wire of each cylinder, either at the plug end or the other end, one at a time. The missing cylinder will be revealed when there is no change in the engine's sound.

Nov 19, 2014 | Hyundai Cars & Trucks

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I have 1996 isuzu rodeo , drives. looses power, dies and back fires like a shot gun,


back first to tail pipe end, not air cleaner, right.

back fire to tail
is caused by 2 reaons.
engine runs rich as a pig, and air leaks to the exhuaust.
fuel + air and flame + bam.

sounds to me you lost cam timing
i cant help you more , as you never stated what engine is in the car.
called ENGINE OPTIONS< day 1.

and the story is lacking
start backup and .does....... what/???? runs prefectly???? or ????

Aug 25, 2014 | 1996 Isuzu Rodeo

1 Answer

Egr valve gas modulator


what is leaking gas.
gasline
exhuaust gases.
what?

Feb 03, 2014 | 1993 Toyota Corolla

1 Answer

#8 cylinder is missing


swap the coil with another cylinder and see if the misfire follows the coil

Aug 13, 2012 | 1998 Lincoln Continental

1 Answer

Engine misses/hesitates on low speeds. Runs fine


is the check engine light on? have you ever serviced the injectors? if not try that first because there are many things that give the symptoms you spoke of. but this is the cheapest.
vbninja E.A.P

Jul 23, 2010 | 2005 Cadillac CTS

1 Answer

Timing chain broke


Hello,Bad Luck with timing chain failure,
Sorry to bear bad news but as far as I know Gm engines are NOT safe i.e. the valve miss pistons. It sometimes isn't too severe if very low rev's i.e. tickover, usually 2 or 3 exhuaust and same inlet. Let's hope no seats.
Cheer's!
Paul 'W'
Onyer~EDson(:0)~[><

Dec 09, 2008 | 2002 Chevrolet Tracker

1 Answer

Engine miss above 2000 rpm


sounds like a valve problem. check compression running and non-running. valve sealing at higher rpm is usually a valve spring problem is if runs ok at idle.

Oct 22, 2008 | 1990 Jeep Wrangler

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