P0178 – Fuel composition sensor -low input

By BAT Team (Contact Me)
Last Updated 2015-11-18
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Trouble CodeFault LocationProbable Cause
P0178 Fuel composition sensor -low input Wiring short to earth, fuel composition sensor, ECM

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BAT Team Discussions for P0178

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    OK, here's new wrinkle that I discovered today: Ambient temp today is about 70 degrees. Started right up and ran well to work (about 10 minutes). Was at work for 2 hours, tried starting the engine and it stalled immediately after starting. Engine startup temp was 153. So there goes my heat relat...