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1997 Chevy S-10 does not idle surges

Tiny
COLEJ3015
  • MEMBER
  • 1997 CHEVROLET S-10
Engine Performance problem
1997 Chevy S-10 Two Wheel Drive Automatic 99000 miles

obd11
Saturday, February 23rd, 2008 AT 10:26 AM

2 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Can you elaborate
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Saturday, February 23rd, 2008 AT 10:30 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
You may have a vacuum leak, get a can of spray gumout, spray the vac lines and maniflod area, when the idle changes, youve found the leak! You want the engine running and spray on the outside but do direct the stream onto the hoses, if it is a vacuum leak, the engine idle will change speed, then you have detected a leak, repair the vacuum leak and see how it runs!
Also check the idle air control, it's bolted to the throttlebody.
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Saturday, February 23rd, 2008 AT 10:30 AM

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