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International Automotive Technicians Network
2005 Cadillac DeVille 4.6L Poor Idle Quality
Posted to GM Driveability on 3/6/2015 14 Replies

i replace tbs still have code.121 i unplug tps still idle at ,2200rpm also no down shift with pedal on the floor

14 Replies Received (View Replies)

  Related Documents & Media  2005 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

2005 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways, Idle
Misc.Idle to High

Trouble Codes

1212200 rpm all times
Message Closed w/FIX

car Vehicle Data

2005 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways, Idle
Misc.Idle to High

Trouble Codes

1212200 rpm all times