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Maintenance & Repair Idle or Stalling Problems - All Vehicles
446 messages, Last post on Jul 28, 2009 at 4:58 PM
You are in the Maintenance & Repair Forum. Your Host is mr_shiftright
I forgot, no check engine light on either
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Replying to: shawn41 (Oct 16, 2008 7:03 am)
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Replying to: Mr_Shiftright (Oct 16, 2008 7:40 am)
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Replying to: shawn41 (Oct 16, 2008 10:10 am) |
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Rundown. Car starts OK but stalls sometimes when put into drive, usually after sitting overnight. May or may not stall again during the day at stop signs. Happens in summer and winter. Recently, it idles rough erratically. Just had crankshaft position sensor and camshaft sensor changed to the tune of $458. Didn't work. Read lots and lots of forums about PCM tricks and O2 sensors. I just don't know where to go from here. I am a car repair novice. What can I do to check out some other things? I am willing to tinker to death and get dirty but don't have a lot of tools. Jeep has been in the shop three times for the same problem. They can't isolate it and there are no error codes. It's getting expensive to guess. If anyone has a suggestion for a novice, please let me know. Jeep has 194 K miles but it's how I get to work every day. Thank you. |
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I have a 96 pontiac sunfire, 2.2 L engine with 110,000 miles. It will start up perfectly fine from a cold state, but doesn't like to start when the engine is warm. When I try to start the engine while warm, it will turn over normally but it won't fire. When the car does eventually fire, the engine will catch, shudder and chug as if it is not getting enough gas. Then the car will jerk and stall out. If I press the gas pedal when the engine fires, I can push through the chugging, stuttering stage and the engine will stay running but the idle will be very rough. If I let the car sit for couple hours after it was warmed up, (so the engine is cool again) it will start up normally. I have had new plugs and wires installed. Fuel pump tested o.k. Fuel Filter replaced. Crank shaft sensor replaced. I had the entire fuel system and spark plugs thouroughly cleaned. No sensor lights are on. I have invested over $1000 in the car and it still has this problem. Does anyone know what is going on? I would really appreciate any input as I am really not in a situation where I can afford to buy a new car. Thanks so much! -Kelly
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Replying to: bauekel (Feb 04, 2009 7:48 pm) |
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| 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. | |
| 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. | |
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Replying to: ernesttt (Oct 05, 2006 9:46 pm) |
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