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Old 06-29-2009, 11:55 AM   #1
DustoMan
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Default Increased RPMs after 60,000 Mile Service

I had my 60,000 mile service done last month. Since then, my '05 WRX has been exhibiting some strange behavior that seems to happen under certain conditions. The RPM rise up to about 2000-2500 when sitting idle. It will increase while going through stop and go traffic and it will eventually reach 5000 RPMs or higher and cause the engine to overheat. It seems to happen on hot days in the mid to late-afternoon.

I took the car back to where I had it serviced and they didn't do anything because they road tested it and of course it didn't do it.

I checked the cruise control cable as suggest by a couple post here, but it didn't seem to help. Any other ideas?
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Old 06-29-2009, 12:42 PM   #2
jonman24680
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Does this happen only when the AC is on?
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Old 06-29-2009, 01:19 PM   #3
Uncle Scotty
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take it back and tell them it does this BEFORE YOU BLOW THE DAMN THING SKY HIGH
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Old 06-29-2009, 02:49 PM   #4
bzbuzz
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oh my god, I had the exact same problem on my previous VW Jetta.
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Old 06-29-2009, 02:55 PM   #5
DustoMan
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Quote:
Originally Posted by jonman24680 View Post
Does this happen only when the AC is on?
Doesn't matter if AC is on or off.
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Old 06-29-2009, 02:59 PM   #6
DustoMan
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Quote:
Originally Posted by Uncle Scotty View Post
take it back and tell them it does this BEFORE YOU BLOW THE DAMN THING SKY HIGH
I did after I was going 30MPH with the cruise off and without touching the pedal. But because it didn't do it when they road tested it, they didn't do anything. It's about an hour drive from where I live to the dealership, and the service department closes soon after I leave work so it's a real hassle to bring it in to them.
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Old 06-29-2009, 03:44 PM   #7
jonman24680
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Anyone else think it could be a temperature sensor?
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Old 06-29-2009, 08:27 PM   #8
DustoMan
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Symptoms showed up again on the way home. This time I opened up the hood and pushed the cruise control cable back since I now know where it is and the idling went back down. Took it over to my dad's and he loosened up the cable. It was fine on the way back home. Hopefully I'll have this problems solved now, but it begs the question. Why would someone mess with the cable while it's being serviced?
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