Question about 2003 Chevrolet Cavalier

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It sounds like it's gonna die when i start it, like it don't want to stay running, but it don't die. could it be bad Gas? i just changed the fuel pump 3 months ago. any help would be nice

2003 cavalier acts like it wants to kill but it don't. could it be bad gas?

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  • yadayada
    yadayada May 11, 2010

    Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

  • bkelley890 May 11, 2010

    a little more information would be helpful, does it choke when stopping or turning, or when it is in park.. It was be several things, like a vacuum hose, if the engine shakes it can be a tensioner.. Give as much detail as possible about what happens and when..

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If the car doesnt do it all the time and the engine light doesnt come on, then my best guess is bad gas, it has water in it. some gas stations put water in them for example like Casey's. I had the same problem with my 2002 lancer oz and sometime as i putted gas in it and the next day when i stopped it shakes lil and sounds like it gonna die but it didnt do it all the time but what I did was buy HEET and poured it in the tank and left it over night and it worked just fine the next day. but if full tank now wait til half tank and put good gas in and then it works good. or half tank could wait til 1/4th tank or just go ahead and put it in and put new gas in it. I would buy the most expensive HEET as they are like 2.11 total with tax depending where your from. hope it helps you out. if not, then go and do what the others say or just take it in. my best guess is bad gas tho.

Posted on Jun 04, 2009

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Hello and yes this can be bad gas. This also can be something that can be fixed with a simple fuel or air filter change as well. I would do a basic tune up of spark plugs and wires which may fouled out it sounds like, oil and filter, air filter, and fuel filter. I would also change the distributor cap and rotary button. These few tune up items may help your rough running automobile. If you have any other questions email me and I hope you resolve this issue.

Posted on May 20, 2009

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