High idle speed

EIGEROGRE

MEMBER
SATURN

My 98 sl2 auto trans 58000 mi goes 25 without a foot on the pedal. Took it to a local mech. He checked for vaccum leaks, found none, replaced idle air control. Problem not solved. What now?

Thursday, October 11th, 2007 AT 7:18 PM

3 Replies

CARUNDELL

MECHANIC
602 POSTS

Hey eigerogre,
I'm assuming your check engine light is on, was the vehicle scanned? If so what was the code? If there were no codes. Then I would recommend one more thorough vacuum leak check, then off to the dealership for a reflash of the PCM (a common issue with Saturns and idle issues) Let me know!

Chris

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Saturday, October 13th, 2007 AT 6:59 AM

EIGEROGRE

MEMBER
2 POSTS

Hey eigerogre,
I'm assuming your check engine light is on, was the vehicle scanned? If so what was the code? If there were no codes. Then I would recommend one more thorough vacuum leak check, then off to the dealership for a reflash of the PCM (a common issue with Saturns and idle issues) Let me know! Hey Chris.
No light ever came on. No scan was done. By reading this forum, I replaced the coolant sensor with brass tip, old was cracked and plastic. PROBLEM SOLVED! My saturn idles great and gets better mileage. My hat is off to your forum and writers. Thank You.
Chris[/quote:b72408cd6a]

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Tuesday, October 16th, 2007 AT 10:22 AM

CARUNDELL

MECHANIC
602 POSTS

Hey eigerogre,
I'm assuming your check engine light is on, was the vehicle scanned? If so what was the code? If there were no codes. Then I would recommend one more thorough vacuum leak check, then off to the dealership for a reflash of the PCM (a common issue with Saturns and idle issues) Let me know!

Hey Chris.
No light ever came on. No scan was done. By reading this forum, I replaced the coolant sensor with brass tip, old was cracked and plastic. PROBLEM SOLVED! My saturn idles great and gets better mileage. My hat is off to your forum and writers. Thank You.
Chris[/quote:bf584d1ef6][/quote:bf584d1ef6]

Thats Great! Thanks for the update!

Chris

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Tuesday, October 16th, 2007 AT 11:14 AM