Question about 1987 Honda Accord

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High rpms and then dies

I have an infiniti g20, and when its cold outside and i try to start my car it jumps to a higher rpm than normal and then just dies. It will work if it is quickly thrown into gear and driven but the rpms stay high until it is warm enough. I have been told to put fuel injector cleaner in my gas tank, which i have done, but this doesn't seem to alleviate the problem. any ideas?

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Check for loose vacuum lines or check to see if there cracks on them. you sound like you have a vacuum leak as well as your Idle Air Control Valve(IAC) going bad. good luck and happy holiday

Posted on Dec 22, 2008

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Hi Tyler, difficult to say without more details, but it sounds to me like the sensor monitoring the RPM for the engine management unit is faulty and the engine management cannot compensate. Bad connections will give more problems during cold times because metal shrink and connectors might loose contact. Best would be to get it checked out by someone that knows for your safety, this sounds very unpredictable and dangerous. Hope this helps.

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This sounds like the RPM may be a little high, but normal operation is called a "cold start routine". Like the old fashion Choke, the "cold start routine" is suppose to increase the RPM for several minutes and then decrease to running idle speed. This will engage in each "cold" start, but not on a warm engine. It is designed to do this.

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When starting car the rpms jump up to 2000 then jump down to 500 while feeling like the engine is going to stall out then the rpms go to a normal idle but idles rough for about 5 seconds


its becouse the cars computer tries to heat its self for it not to work when it is too cold
so just leave it there for a while till the rpm go to normal




by kevin

Jul 01, 2009 | 2005 Nissan Altima

2 Answers

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