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1998 Mercury Grand Marquis LS 4.6L Temp Gauge,Heater
Posted to Ford Engine on 1/4/2011 6 Replies

Only on the first cold start the temp gauge rises normally. The heat starts to work in about 4 minutes. Then the heater output cools down significantly. The temp gauge rises to about mid point. Upper radiator hose is still cold. Radiator fan comes on low speed...

6 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

1998 Mercury Grand Marquis LS

VIN 2MEFM75WXW
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTemp Gauge,Heater
ConditionsCold Start to First Warm Up
Message Closed w/Summary

car Vehicle Data

1998 Mercury Grand Marquis LS

VIN 2MEFM75WXW
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTemp Gauge,Heater
ConditionsCold Start to First Warm Up