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Coupes & Convertibles Pontiac Sunfire Pontiac Sunfire Starting and Stalling Problems
232 messages, Last post on Dec 05, 2009 at 9:32 AM
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Replying to: 19amy82 (Mar 03, 2009 3:26 pm) If i'm not mistaken the gap should be 0.85 but don't quote me on that. Check each plug Check under the hood for the gap settings for the spark plug. If you cannot find it call autozone, murray's , pep boys or your local mechanic and ask for the gap settings for 2000 pontiac sunfire 2.4 engine. If you replaced the wires, did you replace them one at a time, starting with the longest? Always start with longest to shortest and one at a time. Did you strip the hole the spark plug goes into. If you did, you will have to take it to a mechanic and have that hole rethreaded. I stripped mine and my car did the same thing hard to accelrate up hill I had to smash the pedal to the floor. I got curious and checked the plugs , come to find out, I stripped the hole. Sounds to me like it is missing because of either the wires or the plugs. If you replaced the wires yourself(no mechanic involved) you should double check them and make sure you have them from longest to shortest comming from the spark plug hole to the coil. If they are off even one wire, that can cause missfiring and hesistation. If the spark plugs aren't gapped right or even if one is off, it can cause your symptoms too. Is your airfilter hose attached tightly? Check to make sure that is clamped down to the airfilter housing next to the battery(on my 1996 sunfire it's next to battery). I hope some of this helps sorry so in-dept but I like to help if I can.
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Replying to: darcin (Mar 02, 2009 3:29 pm) After my husband spent about 2 weeks chasing the problem it turned out to be a wire. Apparently because the computer is located up under the front right inner fender it is a common problem in this car where if you hit say a snow bank or whatever it damages the inner fender and can leave the computer exposed to the weather and in turn causes corusin to the wires So when he removed the inner fender to get to the computer he tested the wires and on our sons car it turned out that there was a orange wire running to the computer that was corroded he simply cut a piece of the wire put it back together and the car has worked great since. How his problem started was at first it would not idle - then it would stall - and was real slugglish. Most of the lights on the dash would come on - then eventually it would not go at all.
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Replying to: mark49 (Mar 03, 2009 6:21 pm) Thanks again y'all! 
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Replying to: debnb (Mar 04, 2009 6:56 am) I can drive the car for a few blocks then when I'm stopped(usually) it will rev high. As I try to get my car back home everytime I slow down to turn a corner or coming to a light it will stall.And I have to have the car in netural or it will just keep stalling the minute I take my foot off the brake to put it into drive. My fuel pressure is fine.My throttle is not sticking.I had the map sensor changed. Mech. said he checked for leaks in the hoses. I dont know what else to do I cant drive the car anymore. 
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Replying to: darcin (Mar 05, 2009 2:05 pm) |
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I have a 2000 Sunfire Gt, with about 200,000 km on it. It will stall while I am driving.. First two times it happened it started right away. Third time, wouldn't start ($50 tow bill) Fourth time ($50) Fifth time ($50) (should of got CAA by this point) I have spent almost $1000 in repairs..new coil pack, the whole housing over the coils, new spark plugs, new alternator, new battery, new fuel pump, tune-up..etc.. Still cannot figure out whats wrong with it..The dome lamp keeps coming on (the one you have to push to turn on) just the one though, and it seems at time I get less power and its not very responsive when I accelerate or when it shifts gears it seems to be shifting at longer intervals..Help me, I hate this god damn car but I need to get to my job I also hate... 
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I have a 2002 Sunfire. Out of the blue it will not start. It will turn over but not start. Sometimes I unhook the negative battery cable to re-set something and sometimes that works, sometimes it does'nt work right away. It will sit for a while then start. I don't know!!! I do not hear the fuel pump when I have this issue. Is it the ignition swith, a relay, a module???? Anyone have input on this one?? Thanks! Mark
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2 weeks ago my husband replaced the fuel pump for the FOURTH time in this car. it ran fine, and now it won't start. he is at a loss as to what it can be. the car is turning over, just won't start, you can hear the fuel pump coming on. it is working. he is wondering if there is something electrical going on, or if it could be the oil sending unit. i really don't know that much about cars, so i may not be explaining this too well, but i am desperate to get this car running again, even if it is to just get something out of it on trade in. he has changed the fuel filter also. please, any thoughts? if you need more info on the problem, i'll have him post back to answer you. thanks so much  .
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Replying to: markamooresr (Mar 10, 2009 8:32 am) |
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Replying to: courtleigh2 (Mar 11, 2009 7:15 am)
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