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Posts Tagged: P1400 Chevrolet

P1400 Chevrolet

How to fix a P1400 Cold Start Emission Reduction Control System on Chevrolet If you have a P1400 Chevrolet trouble code, read this article on what the code means and how to fix the problem. Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running. All that extra fuel goes into the catalytic converter. But the exhaust isn’t very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up … Read More

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