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Old 09-09-2011, 12:07 PM
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JimF JimF is offline
'94 S500: only 793 sold!
 
Join Date: Mar 2001
Location: San Diego, CA
Posts: 1,933
Quote:
Originally Posted by Andras View Post
Bad news: Once the car is warm, with A/C on, placing the transmission in drive or reverse makes the engine idle below 500 rpm, and almost stall. I have to quickly switch to neutral and press the gas pedal to save it. Also, there is a vibration around 1,700 rpm. It seems there is a missing cylinder.
There's an idle compensator which kicks in when A/C is on. Suppose to compensate for the compressor "drag" on the engine. Sounds like that's not working?? Don't know where it is.
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