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12-17-2003, 10:42 PM
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#1 | | Senior Member
Join Date: Jul 2002 Location: Hattiesburg, MS
Posts: 1,171
|  Ghost reving my car up.
For some reason my saturn is reving by itself. The floormats aren't on the pedal or anything, the throttle cable seems fine, I don't know what it could be.
The car will be just sitting there, idling fine, and then all of a sudden it'll rev itself up to about 2100 rpms for a couple of seconds and then go back down to idle.
Anybody had a similiar problem before?
I have a hotshot intake, exhaust, 92 header, and wires and plugs if that makes a difference. And a slightly bored throttle body, although I didn't go anywhere near the actual throttle plate.
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12-17-2003, 11:00 PM
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#2 | | Senior Member
Join Date: Nov 2003 Location: Wichita, KS
Posts: 267
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if it was carburated with an automatic choke, id say vacuum leak. but i have no idea since its not
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Age. Fac ut gaudeam! | |
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12-18-2003, 12:18 AM
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#3 | | Senior Member
Join Date: Jul 2002 Location: Meriden, CT
Posts: 2,055
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How high is it revving and what was the last modification you made before it started doing this? | |
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12-18-2003, 01:05 AM
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#4 | | Senior Member
Join Date: Oct 2002
Posts: 682
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Check for vaccum leak
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a dirty loving sl2 | |
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12-18-2003, 02:27 AM
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#5 | | Community Moderator
Join Date: Jul 2002 Location: Canada
Posts: 3,400
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How is your coolant temp sensor? Is there a possibility that the IAC is a bit gummed up?
ECT Sensor Related DTCs and/or the Following Condtions - Hard Start, Erratic Idle, Rough Running, Engine Overheating, Low and/or Leaking Coolant, and/or Service Engine Soon Lamp Illuminated #01-T-07 - (01/07/2003)
Engine Coolant Temperature Sensor Related Diagnostic Trouble Code(s) and/or the Following Conditions: Hard Start, Erratic Idle, Rough Running, Engine Overheating, LOW and/or Leaking Coolant, and/or Service Engine Soon Lamp Illuminated. (Replace Engine Coolant Temperature Sensor with new Design Sensor - P/N 21025106)
1991 - 2001 Saturn S-Series vehicles
Condition
Customers may comment about various driveability and/or engine operating concerns including: hard start, erratic idle, rough running, engine overheating, low and/or leaking coolant, and/or Service Engine Soon lamp illuminated.
Cause
This condition may be caused by a cracked engine coolant temperature sensor.
Correction
Replace engine coolant temperature sensor, inspect and if necessary replace sensor harness connector. Refer to procedure in this bulletin to replace engine coolant temperature sensor and Parts Requirements for specific parts information.
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A lousy day in Paradise is still a day in Paradise. | |
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12-18-2003, 04:10 AM
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#6 | | Senior Member
Join Date: Jul 2002 Location: Hattiesburg, MS
Posts: 1,171
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Hmm.....thanks guys. I'm gonna check for a vaccum leak first thing. Then I may have to go into that other stuff. Thanks for the info. | |
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12-18-2003, 03:52 PM
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#7 | | Member
Join Date: Jan 2003 Location: BOLTON
Posts: 63
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Post if you find the problem because my o1 sc1 is having the exact same problem... has for a while now I just stopped caring plus if you turn the car on and off quickly it goes away. | |
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12-19-2003, 01:05 PM
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#8 | | Senior Member
Join Date: Jun 2003 Location: Plainville, CT
Posts: 3,300
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What about the TPS? Maybe its going and giving bad signals....or maybe I'm wrong....it was just the first thing that came to mind.
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12-19-2003, 03:24 PM
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#9 | | Senior Member
Join Date: Jul 2002 Location: Calgary, Alberta, Canada
Posts: 2,439
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ECTS is a good place to start, as is checking for a vacuum leak.
How about the idle air control solenoid? That's a slight possibility if the other things don't show results.
Jim
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You've got a 10 second car, huh? How fast does it go on the track? | |
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12-20-2003, 01:11 PM
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#10 | | Senior Member
Join Date: Feb 2003 Location: MN, USA
Posts: 414
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ECTS is like $13, I replaced mine when having problem with rough idle and ****... I also replaced the FPR, Fuel filter, MAP sensor and EGR valve... Thats because those were all giving problems according to the obd reader, and thats all I need with the turbo going on, inconsistant fuel =)
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2001 Saturn SL1 | |
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