Car issuse

Asked by Sep 29, 2017 at 03:42 PM about the 2002 Mercury Grand Marquis LS Ultimate

Question type: Maintenance & Repair

Changed coils, spark plugs, intake manifold, water
pump, thermostat and flushed the radiator. It has a
rough idle from the time i crank it up until i turn it
off. I also smell emissions from the tail pipe inside
the car. It runs hot when i turn on the ac. i need
help. Please anybody..

1 Answer

80,035

Running hot means it need a cooling system service or that the cooling fans are not working. Does the engine lose coolant? Is the check engine light on? Codes?

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