07-24-2019, 01:20 AM
simple thermodynamics (for sure parked due to vastly easy to trouble shoot and lower risk to engine,)
if the engine overheats,
the cooling system is failing (thermostat goes out of control is CLUE #1)
or the engine is making way too much heat, and can if spark timing is way late (retarded) but on this engine, I dont believe this for sure in closed loop and runs great and not DTCs)
so we work the coolant system , all of it. skipping no stone turned over.
what is A , B and C. when the ECT reads wrong, focus on ECT first. if the ECT shows thermostat is out of control BELIEVE IT.
if the engine overheats,
the cooling system is failing (thermostat goes out of control is CLUE #1)
or the engine is making way too much heat, and can if spark timing is way late (retarded) but on this engine, I dont believe this for sure in closed loop and runs great and not DTCs)
so we work the coolant system , all of it. skipping no stone turned over.
what is A , B and C. when the ECT reads wrong, focus on ECT first. if the ECT shows thermostat is out of control BELIEVE IT.
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