CONTENTS
HIGH ENGINE TEMPERATURE
HIGH OIL PRESSURECONTENTS
DASHBOARD
INDICATORS
ENGINE-RELATED
LOW ENGINE TEMPERATURE
CONDITION(S)
- LOW ENGINE TEMPERATURE INDICATED BY GAUGE
- CAR TAKES A LONG TIME TO WARM UP OR NEVER DOES
- HEATER DOES NOT PROVIDE WARM AIR
- ENGINE HAS SLUGGISH PERFORMANCE AND DECREASED FUEL ECONOMY
- HEATER CAN PROVIDE WARM AIR
POTENTIAL CAUSE(S)
CHECK THESE FIRST:
1. THERMOSTAT STUCK OPEN OR HAS INCORRECT (TOO LOW) TEMPERATURE RATING
Replace thermostat.2. DAMPER ON HEATED AIR INTAKE SYSTEM STUCK OPEN
Lubricate damper on heated air intake system.3. EXHAUST MANIFOLD HEAT CONTROL VALVE (HEAT RISER) STUCK OPEN
Have heat riser professionally serviced.CHECK THESE NEXT:
4. LOCKED FAN CLUTCH
Have fan clutch professionally replaced.5. SHORTED FAN SWITCH ON ELECTRIC FAN
Have fan switch professionally replaced.6. COOLING FAN TOO LARGE
Have cooling fan professionally replaced.CHECK THESE LAST:
7. RADIATOR TOO LARGE
Have radiator professionally replaced.8. WATER PUMP DRIVE PULLEY TOO SMALL
Have water pump drive pulley professionally replaced.
CONTENTS HIGH ENGINE TEMPERATURE HIGH OIL PRESSURE