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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2006 - 2009 TrailBlazer SS Tech > 06-09 SS Engine and Drivetrain > Engine Tunes/Mods

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Old 09-09-2010, 07:23 PM
stackmac stackmac is offline
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2006 Chevy TrailBlazer LT
Sand Beige Metallic 4.2L I6 4X4
Join Date: Sep 2010
Location: pittsburgh, pa
Posts: 4
not responding

Having problem with response from gas pedel. Not sure y but wen just driving ill go to accelerate and nothin happens. Then I put the pedel on the floor and my rpms jump up and it takes off. It seems to have a lag time but it doesn't always happen. Any thoughts on my issue???
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Old 09-09-2010, 11:19 PM
Africandude13's Avatar
Africandude13 Africandude13 is offline
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2004 Chevy TrailBlazer LS
Graystone Metallic 4.2L I6 4X4
Join Date: Apr 2008
Location: Ontario, Ca
Posts: 1,191
IS the slow response time when you floor it and it just revs for a sec then engages, or are you flooring it and nothing happens for a sec then it revs and goes?

If its the first one then thats normal. Its kinda like the PCM trying to rev match i guess.??

if its the second, it might be because of a dirty MAF or Throttle body.
you should give them a check.
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Old 09-10-2010, 12:55 AM
WOOLUF1952 WOOLUF1952 is offline
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2003 GMC Envoy SLT
Magnetic Red Metallic 4.2L I6 4X4
Join Date: Jul 2008
Location: Milwaukee, WI
Posts: 7,190
If you have over 30k miles, clean the t-body first and see if that helps.

Being drive by wire it may just be sticking.
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