Adjusting Idle

Tiny
TONYD235
  • MEMBER
  • 1988 OLDSMOBILE DELTA 88
  • 139,000 MILES
Finally got my car running like new, only problem now is that it's idle to low. How do I adjust the idle and where is it located? Thank you!
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Saturday, April 27th, 2013 AT 1:17 PM

5 Replies

Tiny
JDL
  • EXPERT
Your idle should be controlled by the computer. Clean the throttle-body and idle air system. Check for applicable trouble codes. You should be able to check mil codes, yourself.

To check codes, you use a jumper wire between A & B terminals. Turn key just till the dash lites come on, no further. Then the mil on the dash starts flashing, you count the flashes to get the codes. Your looking for two digit codes.
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Saturday, April 27th, 2013 AT 2:16 PM
Tiny
TONYD235
  • MEMBER
Still having trouble with the idling of my car. The car runs smooth for about 15minutes then it sounds as if it wants to choke off. I've clean the throttle body and idle air system. I scanned it and have no trouble codes. What do I do now?
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Wednesday, July 3rd, 2013 AT 11:32 AM
Tiny
JDL
  • EXPERT
How long since a tune-up? Check for vacuum leak.
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Wednesday, July 3rd, 2013 AT 12:35 PM
Tiny
TONYD235
  • MEMBER
I got new plugs and wires about three months old. I went back to recheck to make sure I gap them correctly. Got a new ignition module and coil new idle control sensor new air flow sensor. OH yeah got new fuel injectors! But still got that idling problem
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Wednesday, July 3rd, 2013 AT 2:11 PM
Tiny
JDL
  • EXPERT
Does it run ok off idle? A vacuum leak would show up more at idle. Also, the 02 sensors are part of a tune-up. Can you put a scanner on it, that shows live engine data, see what the sensors are doing and whether or not the system is running rich or lean? I hate to see you throw parts at it.
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Wednesday, July 3rd, 2013 AT 3:01 PM

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