P1400 Diagnostic Trouble Code Discussion for June 2015
Cold Start Emission Reduction Control System
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| Help Request | Posted | |
| 2007 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDS13S27 P1400: Cold Start Emission Reduction Control System. Hello, I am stymied by this pesky P1400. The code passes sometimes and fails sometimes. The customer admits to probably sitting idling a few minutes after starting the engine before she leaves. The engine coolant temp warms up normally. I have done all visual ... |
June 19, 2015 |
