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Idle or Stalling Problems - All Vehicles

446 messages,  Last post on Jul 28, 2009 at 4:58 PM

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#444 of 446 Stalling 94 Olds Cutlass Ciera by ramman8 Mar 22, 2009 (1:19 pm)
Can anyone tell me what I can do to diagnose a stalling problem with my 94 Olds. When you first start it up it will idle fine, but once you touch the accelerator it will act as if it isn't getting any fuel and then finally die. I replaced the fuel filter, checked the output volume of the fuel pump which was fine(putting out 2 1/2 pints in 15 seconds). The last time a ran the car it was acting like it was trying to backfire thru the throttle body. This car has just turned over 100,000 miles, any help would be appreciated.
#445 of 446 Engine surges,eats up gas,sluggish acceleration by kingavy Apr 20, 2009 (2:51 am)
I have a 1995 Pontiac Sunfire Gt 2.3L....this car has been a huge problem ever since I bought it except now it got a lot worse. All of the sudden the other day my check engine light comes on with codes for a MAP sensor, O2 sensor, and fuel burning too lean. Right after the light came on, the car started running really rough. The O2 sensor code had already come up before but I had it replaced so it's only a month old. I just replaced the MAP sensor the other day. The car accelerates a little better but still way too sluggish. I'm not sure if it's misfiring but the engine seems to surge and vibrate rough when idling at a stop light. I also had a friend replace the spark plugs and while we were doing it we noticed one of the boots was taped to the cover, one of them was stuck inside the cover, and the other 2 were suctioned to the spark plugs. I'm guessing the guy who owned it last just rigged it so he didn't have to spend a small amount of money on boots or plug wires. Now I get about 5 miles to the gallon and sometimes the engine "surges" so rough that it feels like it wants to take off while i'm sitting at a stop light. A sudden powerful thrust. If anyone can help me i'd appreciate it greatly. Oh yeah, I can also smell gas burning strong.....i don't know if that means its rich or something.
#446 of 446 Re: stumbles at startup [ernesttt] by ernesttt Jul 28, 2009 (4:58 pm)
Replying to: ernesttt (Oct 05, 2006 9:46 pm) this is an update to my post about my car here the 90 maxima. i put the car in the shop and it was diagenostic checked witch showed the temp sensor was bad and the timeing belt jumped time .replaced both and the pig tail to connect to the temp sensor and the car runs fine .

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