Mercury Cougar Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercury Cougar
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Mercury Cougar ProblemsBattery Light Due to Damaged Alternator Wire Harness Connector
The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.
White smoke coming from the exhaust could indicate that a head gasket has blown or there is a cracked cylinder head. Our technicians tell us that removal and inspection of the cylinder heads will be required to confirm a crack is present.
The Check Engine Light can illuminate with codes due to the lack of EGR (exhaust gas recirculation) flow caused by the intake manifold passage plugging up with carbon and oil. The EGR valve has to be removed and the passage cleaned thoroughly. Partial restriction of this passage can cause Smog test failures for the NOx emissions without causing a drivability symptom.
Mercury Cougar Questions2001 Cougar will not start? (1 answer)
Thought fuel pump bad but it is fine. Problem appears to be electrical in nature. It cranks but does not fine. fuel is getting to the engine
Car goes to H & then up & down. Replaced-water pump, both H/C sensors, flushed 5x, heater core. Hose split & antifreeze everywhere thurs. Did it again yesterday but a diff one. Code reads ECU Any advice? 2002 mercury cougar- Manual- 4 CL. ADVICE?