Why do the rpms drop when a/c is on? Engine also dies.

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Asked by Jul 11, 2007 at 01:41 PM about the 2001 Chevrolet Corvette Coupe

Question type: Maintenance & Repair

I can turn on my a/c when engine is on and the r.p.m. guage goes down to 5 and below.  The engine also dies if not warmed up with the a/c on.  Can you pinpoint the problem?

I also have electrical problems with turn signals going out, gas guage bottoms out when I know there is gas.

2 Answers

30,535

Sowitch is sounds like you have a couple of issues here. you may want to have the car hooked up to a computer to have a diagnostic check run to see exactly what is wrong. If I'm not mistaken Autozone does it for free.

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I've had it scanned, but the repair guy said he didn't get anything. I've had a co-worker tell me it could be the EGR valve. He also told me the trouble with my turn signals working now and then is a short in the column and that the short will travel. Does all this sound right? I solved the gas gauge problem with adding techron to my gasoline. That one was an easy fix. Thanks for all your help. I just stay so busy, it's hard to find time to put the "old girl" in the shop.

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