|Trouble Code||Fault Location||Probable Cause|
|P0178||Fuel composition sensor -low input||Wiring short to earth, fuel composition sensor, ECM|
We recommend Torque Pro
BAT Team Discussions for P0178
- Idle issues 99 Lumina
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...