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Coupes & Convertibles Pontiac Sunfire Pontiac Sunfire Starting and Stalling Problems
233 messages, Last post on Dec 06, 2009 at 11:02 AM
You are in the Pontiac Sunfire Forum. Your Host is claires
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I have a 1998 Pontiac Sunfire with a rough idle. I have replaced the spark plugs, the plug wires and the coil are good. There are no fault codes and I still have a rough idle. If you may have any idea to what the problem may be please email me at. Jeremytemoshawsky19  msn.com
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Replying to: jeremy2 (Mar 10, 2005 1:17 pm) |
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Replying to: jeremy2 (Mar 10, 2005 1:17 pm)
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I have a 96 Sunfire 2.4 (4 speed automatic) with 140,000 miles on it. It has been an awesome car since new. Recently it has been stalling when I brake from high speed and make a right turn. I notice that the tach falls below 500 rpm at those times and I can hear a clicking sound coming from the engine compartment (sounds like it is coming from the firewall just right of center). Does anybody have any experience with what might be the cause? I have replaced the throttle position sensor with no change in condition. Euphorbia
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Replying to: euphorbia (Jun 19, 2005 12:46 pm) You might also want to post your question in the Idle or Stalling Problems: All Vehicles to see if the folks there have any input.
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Replying to: claires (Jun 19, 2005 9:21 pm) |
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This is an update of message 61. I have a 96 Sunfire 2.4 (4 speed automatic) with 140,000 miles on it. Recently it has been stalling when I brake from high speed. I notice that the tach falls below 500 rpm at those times and I can hear a clicking sound coming from the engine compartment from inside the car. I have replaced the throttle position sensor and tested and cleaned the Idle Air Control (IAC) valve and the condition didn't change. I have also checked for vacuum leaks and found none. The OBD II code checker indicates no service codes. Does anybody have any experience with what might be the cause? Euphorbia |
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Replying to: euphorbia (Jun 27, 2005 11:02 am) You might also want to ask your question in the Idle or Stalling Problems: All Vehicles discussion. |
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| My sunfire has been giving me problems over the last few months. It's a 5 speed and when I have the air con running I find that the RPM's are jumping up and down when I am in a stopped position. Sometimes they jump and then fall so low that the car stalls. Also when I start up from a stopped position I find that the car is lagging and not getting gas. This also happens when I make a right or left hand turn. I have had it looked at by two GM Dealers and they have found nothing wrong with it. The fuel filter was changed and diagnostics were run twice. Any suggestions?? | |
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