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2004 Buick Rainier CXL 4.2L Hesitation, Poor Fuel Economy, MIL Lamp on, idle surge sometimes
Posted to GM Driveability on 8/4/2009 8 Replies

Hello guys, need your help. When you accelerate from a stop, vehicle bogs and has no power, almost feeling like a clogged catalytic converter. After getting up to speed, it will accelerate a lot better. Tested and found no back pressure. Also at idle speed, in...

FIX posted 9/1/2009

8 Replies Received (View Replies)

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car Vehicle Data

2004 Buick Rainier CXL

Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi drive by wire
EmissionsOBD-II Compliant
SymptomsHesitation, Poor Fuel Economy, MIL Lamp on, Idle Surge Sometimes
OccursAlways, on Accel, Idle

Trouble Codes

P0606PCM Processor Error
P2119Throttle Actuator Control - Throttle Body Performance