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Old 05-07-2009, 21:00   #1 (permalink)
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RPM's Dropping @idle!?!? suggestions??

Hello

I just bought an 01' Escape a few days ago. I was just sitting in the car letting it idle for a little bit, and the RPM's went from idle @ about 1K RPM, then dropped a little under 1K rpm which is normal after idling for a bit

but then it dropped more, then a few seconds later dropped more, then more, then the car was puttering and I rev'ed it up and it went back to 1K RPM@idle, then did the whole cycle over again

is this an electrical problem, or a mechanical problem?? any suggestions??

thanks
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Old 05-08-2009, 03:33   #2 (permalink)
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Re: RPM's Dropping @idle!?!? suggestions??

On my daughters '01 Escape, when she would first start it the engine would sputter and want to stall, but once it got warmed up after awhile, it would be fine. She finally took it to Ford. It turned out to be the Front & Rear Manifold Gaskets.
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Old 05-08-2009, 15:15   #3 (permalink)
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Re: RPM's Dropping @idle!?!? suggestions??

I wouldn't rule out replacing the intake manifold gaskets. You can test for this with a propane torch. Start the vehicle and then run the torch carefully along the intake gasket. If the engine surges in RPM then you've pinpointed the leak. If you don't get any engine surging, you can try replacing the IAC (idle air controller) valve located around the throttle body.
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Old 05-12-2009, 13:01   #4 (permalink)
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Re: RPM's Dropping @idle!?!? suggestions??

wow!!! turns out when I got my master cylinder replaced, they either A. didnt hook up the hose connected to the brake booster right, or B, the oil from the leaking master cylinder damaged the brake booster, causing both the problem with the brakes, and the un-steady idle problem!! who wouldda thunk it!?
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