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2006 Chevrolet Trailblazer LT 4.2L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 8/17/2009 9 Replies

this vehicle has come in twice now for this code...as usual it is running fine. this seems to be a very intermittent issue. i was just curious if anyone else has run int this before. the only thing i can see is on the freeze frame data the snapshot read 550 rp...

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  Related Documents & Media  2006 Chevrolet Trailblazer LT

 
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car Vehicle Data

2006 Chevrolet Trailblazer LT

VIN 1GNET16S36
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently

Trouble Codes

P0506Idle Speed Control System Lower Than Expected
Message Closed

car Vehicle Data

2006 Chevrolet Trailblazer LT

VIN 1GNET16S36
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently

Trouble Codes

P0506Idle Speed Control System Lower Than Expected