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1993 Chevy S-10 hesitation

Tiny
SEANRENAE
  • MEMBER
  • 1993 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • MANUAL
  • 177,000 MILES
When I crank my truck up it will lope at idle, then the engine will rev up and will not idle down. When I am driving down the road it will surge when it is cold, after it warms up, it will almost completely go away. Sometimes if the engine is under a strain it will pop through the exhaust one time and the take off.
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Saturday, March 6th, 2010 AT 7:39 PM

1 Reply

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
You have a restriction, in either the air intake or exhaust, possibly the catalytic convertor, try cleaning the throttle body and throttle plate, check the idle air control valve, also the egr could be a possibility, check these items and let me know what happens, also is there a check engine light on?
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Saturday, March 6th, 2010 AT 7:48 PM

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