2003 Chevrolet Trailblazer LT 4.2L Misfire
I have 2 problems with this POS most importantly it misses at an idle and occasionally at speed(customer "thinks it misses at speed" could be very slight or not at all). We cleaned the fuel rail and thought we made an improvement so we tried a set of injectors...
Summary posted 11/21/2011
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Vehicle Data2003 Chevrolet Trailblazer LT
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2003 Chevrolet Trailblazer LT
VIN | 1GNDT13523 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
P1481 | EATX RPM Pulse Performance Malfunction |
P1523 | TAC Module Return Performance |