Question about 2003 Pontiac Grand Am

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I have a 2003 Grand am. It spits and sputters realbad. It wont even start sometimes. I have changed the coil packs.. What could be the problem?

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Could be bad plug wire's or spark plug's

Posted on May 08, 2010

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I have a 2003 Envoy it had began to spit and sputter so i had replaced my spark plugs and it stopped doing that for 2 months but then started to do it again.I don't know what it could be.Can someone help...


Check your ignition wires, coil packs, and check your injection system. make sure that you're getting plenty of feed from the fuel pump, and make sure your injectors are working.

Sep 17, 2013 | 2003 GMC Envoy

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2004 nissan titan = starts and runs fine for a while - and then spits and sputters and wont run for a while - then runs fine for a while - then spits , sputters, and wont run any...


Not sure to be honest as to what the cause could be ,i would suspect a coil pack problem or even the ignition module if it has one but i think it may be built into the ECU ,although you havent stated if this is a diesel engined vehicle so having more information would help a great deal

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It sputters and hesitates sometimes when on low speed


There are a few things you can look at here:
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May 05, 2010 | 2003 Ford Expedition

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I have a 2003 Tiburon GT V6 and I am having trouble with. When it is ideling its fine and up to about 3,000 rpm's, then it starts spitting and sputtering like it has no power. I replaced the plugs and...


need to visit the dealer is best ,this could be anything from a coil pack to a crank sensor evan the air flow meter could cause it ,or the worst case scenario the ECU ,

Dec 27, 2009 | 2003 Hyundai Tiburon

1 Answer

1999 lumina 3100 spits sputters and backfires out throttle body


You need to get the codes read to verify,but i think your in need of coil pack or wires.

Oct 23, 2009 | 1999 Chevrolet Lumina

1 Answer

Jeep spits and sputters after driving in local traffic


When it's running poorly, how do the brakes feel? Is the pedal very hard? I know this sounds like a strange question, but I had a similar (but not exact same) problem which after completely testing everything three times and even swapping a pcm from a known good vehicle, I managed to fix,without replacing any parts but am not sure exactly what was wrong.(I believe I "outsmarted" the computer, but am still not sure what the underlying problem was)
What I do suggest is that you individually test each sensor to see if anything is out of range. I'd especially look at the map sensor and throttle position sensor, possibly the cam sensor and sensor shaft.Stop buying parts and do the testing. Only then, after actually verifying a failure, should you replace any more parts!

Aug 05, 2009 | 2000 Jeep Grand Cherokee

1 Answer

1995 Jeep grand cherokee is missing while running. When it is under a heavy load (driving fast) it runs fine. When idleing and slow driving it spits and sputters.


I have the same problem on my 95 grand cherokee laredo. Sometimes it starts out fine and after about 10 miles it starts spitting and sputtering. Then after a while it seems to clean out and run fine again for a little while. Then other times it starts out spitting and sputtering at the begining. I changed the fuel filter and that was not it. It is a 4.0L 6cyc. Any Ideas?

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Jul 02, 2009 | 1995 Jeep Grand Cherokee

3 Answers

Spit and sputter/2004 PT Cruiser


Check for fire to the coil pack. These have a tendency to go bad on these cars. Could be a cam or crank sensor, these also go bad. If you haven't changed the plugs in 30K, this is due also, wires every 60K. May need to actually get it hooked to a machine to find out for sure.

Jun 02, 2009 | 2004 Chrysler PT Cruiser

1 Answer

2003 Pontiac Grand am wont start


on the 03 2.2l eccotech the plugs are below the coil packs there ar four 10mm bolts that hold the coil packs in the spark plugs are under there sitting down in the engine

Jan 09, 2009 | 2003 Chevrolet Cavalier

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