P1400 Diagnostic Trouble Code Discussion for October 2011
Cold Start Emission Reduction Control System
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| Help Request | Posted | |
| 2007 GMC Envoy SLE 4.2L MIL Lamp on VIN: 1GKDT13S87 P1400: Cold Start Emission Reduction Control System. ... code P1400 and mitchell has nothing to speak of on the code. I saw a TSB for this code and another code in cold weather start up, but it comes on in the summer heat so dismissed that. Car runs fine but lite is on. Any input to this code will be helpful as ... |
October 18, 2011 |
