P1400 Diagnostic Trouble Code Discussion for July 2016
Cold Start Emission Reduction Control System
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| Help Request | Posted | |
| 2009 Chevrolet Silverado 2500 HD LT 6.0L Poor Idle Quality VIN: 1GCHK53K59 P1400: cold start reduction control. This vehicle when first started cold will start and stall and run very rough. After trying several times and trying to idle up with the accelerator pedal it will just like that run the way it is supposed to. From then on any restarts are fine and drives down t... |
July 22, 2016 |
