2003 CHEVROLET TRAILBLAZER
89,000 MILES
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ANONYMOUS
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  • 1 POST
what can cause a small hesitation upon acceleration and engine dieseling after run when turning engine off
Mar 22, 2013 at 6:54 PM
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RANDICO
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 174 POSTS
Fuel entering the intake ,this can be from fuel injector to fuel pressure regulator that leaks through its diaghram,
where a vacuum to the intake hooks up at,
Mar 22, 2013 at 7:17 PM
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
scan for codes and check fuelpressure first. this particular engine has a tendency for the throttle plate ot get sticky and casue problems clean it on both sides with choke cleaner as well as iac hole.
Mar 23, 2013 at 3:08 PM