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2004 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 1/2/2009 7 Replies

hello fellow techs need help have a 2004 trailblazer with a 0068,0172,0128 code followed diag. tree from alldata with no conclusive answer to the problems. did unplug map sensor seemed to run better but not 100% ect reads correctly rpms do fluctuate no power,s...

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  Related Documents & Media  2004 Chevrolet Trailblazer LS

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNDT13S14
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0068MAP/TP Sensor Correlation - Vacuum Leak Detected
P0128Cooling System Malfunction
P0172Fuel System Too Rich (Bank 1)
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNDT13S14
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0068MAP/TP Sensor Correlation - Vacuum Leak Detected
P0128Cooling System Malfunction
P0172Fuel System Too Rich (Bank 1)