
2004 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on
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...
FIX posted 1/19/2009
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Message Closed w/FIX
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VIN | 1GNDT13S14 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0068 | MAP/TP Sensor Correlation - Vacuum Leak Detected |
P0128 | Cooling System Malfunction |
P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/FIX
Vehicle Data
2004 Chevrolet Trailblazer LS
VIN | 1GNDT13S14 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0068 | MAP/TP Sensor Correlation - Vacuum Leak Detected |
P0128 | Cooling System Malfunction |
P0172 | Fuel System Too Rich (Bank 1) |