| Mark@Northern Iowa |
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| Many, - low coolant, low engine oil - but not low enough to derate or shutdown - engine oil seeps through the wires and fills the connection at the ECM. Take it apart, blow it out. Might fix it. - new enough it might have a fuel or air restriction - power wires from the batteries to the ECM starting to corrode - don't know if that has an A/C light, could be low A/C pressure in system or A/C clutch not engaging - --------- > But, most trucks have the capability of showing a Flash code. Find out how to show yours, then google it for the code fault. Good Luck. - | ||
