88 50950260/AP1216
Engine too cold/ambient
temperature too low.
Pre-heating module
malfunction; check connection
and voltage and charge/replace
as necessary. Install block
heater.
Engine overheating
Crankcase oil level incorrect. Adjust oil level.
Cooling air circulation
restricted.
With engine off, remove
restriction.
Fan shroud improperly
positioned.
With engine off, reposition
shroud/contact dealer.
Improper oil grade or oil
excessively dirty.
Change engine oil.
Exhaust restricted.
Allow exhaust to cool; remove
restriction.
Air filter restricted. Replace filter(s).
Low coolant level. Top off coolant.
Loose fan belt. Tighten fan belt.
Dirty/restricted radiator. Clean radiator.
Thermostat malfunction. Replace thermostat.
Engine
Problem Possible Cause Corrective Action
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