2007 Chevrolet Impala LS 3.5L Poor Idle Quality, Surge, Cuts out, MIL Lamp on
Hi everybody. Have this Impala for another shop. The pre cat o2 switches between .410v and .490v at idle [...] going closed loop. Off idle 4000 rpm switches .390v to .525v. The heater works fine and when disconnected I can use a power probe to make the scan to...
FIX posted 2/14/2015
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Vehicle Data2007 Chevrolet Impala LS
Trouble Codes
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Vehicle Data
2007 Chevrolet Impala LS
VIN | 2G1WB58K27 |
Engine | 3.5 L / 6 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0134 | Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction |