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2006 Chevrolet Trailblazer LT 4.2L Wot Hesitation
Posted to GM Driveability on 11/30/2011 9 Replies

acts like plugged exhaust. cruising trans feels like it skips from 1st to 4th shifts at 3500 -4000 rpm. but the customer concern is at wot the trans down shifts to 2nd and accelerates till it hits the rev limiter and will not shift till u let off the throttle....

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Message Closed w/Summary

car Vehicle Data

2006 Chevrolet Trailblazer LT

VIN 1GNDT13S76
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsWot Hesitation
OccursAlways, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0506Idle Speed Control System Lower Than Expected
P1400Manifold Differential Pressure Sensor Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2006 Chevrolet Trailblazer LT

VIN 1GNDT13S76
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsWot Hesitation
OccursAlways, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0506Idle Speed Control System Lower Than Expected
P1400Manifold Differential Pressure Sensor Circuit Malfunction