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2006 Chevrolet Cobalt SS 2.4L MIL Lamp on
Posted to GM Driveability on 10/5/2012 10 Replies

With an 18% TPS reading at idle (750) and a P0121 code I replaced the Throttle Body with TPS. The new TPS reads 8% at idle but the idle runs up between 1800 and 2700 RPM by itself. After clearing code the P0121 is gone but a new P0507 code is set for Too High ...

10 Replies Received (View Replies)

  Related Documents & Media  2006 Chevrolet Cobalt SS

 
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Cobalt SS

VIN 1G1AM58B26
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0507Idle Speed Control System Higher Than Expected
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Cobalt SS

VIN 1G1AM58B26
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0507Idle Speed Control System Higher Than Expected