× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2007 Chevrolet Trailblazer LT 4.2L Hesitation, Surge
Posted to GM Driveability on 1/10/2011 9 Replies

Thanks in advance for any help you can give. This Trailblazer is kicking my butt. At steady throttle or slight acceleration at 55+ mph, it bucks and acts like the TCC is kicking in and out. Sometime quite harsh. The tach will rise and then drop [...]. Under st...

9 Replies Received (View Replies)

  Related Documents & Media  2007 Chevrolet Trailblazer LT

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Trailblazer LT

VIN 1GNDT13S67
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursHot, Cruise
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Trailblazer LT

VIN 1GNDT13S67
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursHot, Cruise