Question about 1995 Chevrolet Monte Carlo

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Problem with cold start up 1995 monte carlo v6 3.4

When i start the car in the morning the car idles really high then it idles really low and shuts off i turn it back on and it does the same thing it does this until the motor gets warm

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  • danicawillis Feb 10, 2009

    i have a 95 monte carlo that floods out after starting, or when she is climbing hills.she starts fine every time but when put in gear she stalls.also she idles fine sometimes but others times erratic.it also revs high sometimes without touching the gas.

  • phantom357 Mar 09, 2009

    When its cold in the a.m. it starts, revs high, then comes back down just to stall out. Could this be plugs and wires??

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Two items to look at: Throttle position sensor, $45-50. PCV valve, $4-5. Either will, at times, produce problems with idling.

Posted on Nov 22, 2008

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I had the same problem on one of my GM vehicles with the 3.1L engine (which I assume yours has)

We could never find out what it was but replaced ALL the sensors, spark plugs, and spark plug wires and it got better, then eventually fixed itself.

If you have no check engine light on then its hard to pinpoint something like this.

Check MAF sensor first, then other air/fuel components.

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