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Enthusiast ![]() Joined Jan 2, '12 From Sacramento, CA Currently Offline Reputation: 0 (0%) ![]() |
Ok so i just performed an oil change on my 7afe. The first couple of weeks the car was fine but now when the engine is at normal operating temperature the rpm idle drops to about 600-700 rpm and the car feels like its about to die. Anybody know why it does this? nothing is wrong with any vacuum lines, everything has been kept up to date.
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Enthusiast ![]() ![]() ![]() ![]() ![]() Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) ![]() |
Idle speed is supposed to be 750 +/- 50 RPM, so 700-800 RPM is a perfectly correct idle speed, if it feels rough at that speed then you need to look at engine mounts or at the ignition system and check compression for a weak cylinder. Likely the passenger side mount is worn out and needs to be replaced, I can't promote any part for that except the dealer mount since most aftermarket mounts use the wrong firmness of rubber and the wrong fluid inside and cause a booming or rough idle, the dealer part is built right and will work right and last another 90,000 miles again.
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Lo-Fi Version | Time is now: February 17th, 2025 - 10:15 AM |