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2009 Cadillac CTS 3.6L MIL Lamp on
Posted to GM Driveability on 6/16/2010 4 Replies

I replaced the timing chains on a 2009 Cadillac CTS with 96,000 miles. The car runs fine but I'm getting an active P2187 code for too lean at idle bank 1 and a pending P2189 code for too lean at idle bank 2. I didn't get these codes before the timing chains jo...

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  Related Documents & Media  2009 Cadillac CTS

 
Message Closed w/Summary

car Vehicle Data

2009 Cadillac CTS

VIN 1G6DV57V49
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2189Idle Speed At Startup Too High
Message Closed w/Summary

car Vehicle Data

2009 Cadillac CTS

VIN 1G6DV57V49
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2189Idle Speed At Startup Too High