3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

Idle trouble!

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Old Jun 21, 2003 | 10:52 PM
  #1  
Black6SpdTA's Avatar
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From: Mooresville, NC
Exclamation Idle trouble!

i was leaving work tonight and when i started the car (it had been sitting for 7 hrs) it fired right up but would idle around 750-800 (normal) then drop to 500 and the lights would dim then it would come right back up to 750-800, one time it hit like 350-400rpms and almost died. i had the clutch in then put it in neutral it did the same thing. this all happened for around 1-2 minutes. on the drive home she ran great and it didnt do it in the driveway. somethin in the fuel system?
Old Jun 22, 2003 | 06:04 AM
  #2  
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From: North Carolina
I have that same problem with my 90 from time to time.

I've been told various things, from a computer malfunction to a mis-sensing sensor. What I do know is that if I shut the car off and restart it, the problem stops. On ocassion, like what you experienced, I'll notice it at a light and then by the time I get home it's again resolved itself.

I'd love to know if anyone else has had this problem, and actually fixed it.

Bill
Old Jun 22, 2003 | 02:11 PM
  #3  
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From: Markham, ON
i had a problem where my car all of a sudden out of no where when id start it it would idle really low and run absolutly pig rich for a couple minutes then it would stall out. I had a bad engine coolant sensor and it was flooding the car. Check your engine codes to see if any of the sensors come up
Old Jun 22, 2003 | 11:36 PM
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Black6SpdTA's Avatar
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From: Mooresville, NC
what place is it that has a scanner i can rent? autozone? where else can i check to see if im throwin any codes? wouldnt the SES light come on?
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