Mercury Mariner Problem Report
Mercury Mariner Check Engine Light Illumination
The check engine light may come on due to failure of the Variable Camshaft Timing (VCT) solenoids. The VCT solenoids will need to be replaced if they are the reason the check engine light came on.
Same problem as others. Engine light goes on and off several different times and finally stays on. AutoZone told me it was some kind of timing issue. Took to my mechanic and he verified it is this same issue with the cam timing. Repair? Estimate $350.00 - Visitor
Check engine light came on and engine became sluggish as if there was no power. - Visitor
Engine light comes on for a while then goes off for a while.Off and on .Now tire sensor is on, - Visitor
Check engine light on and fwd light periodically - Visitor
Engine light came on ANC dealership could not figure out why. When I tried to drive it the next day it started and said ok to drive but would not accelerate I tried for a couple minutes then restarted it and was hood to go. Makes me worried. - Visitor
Check engine, service 4x4, emission system and ABS lights all come on Tachometer and speedomete...
The emission light has been on for a while, then one day, was at highway speed, slowed to 35 mp...
When I go to my local Auto Zone, they put the hand held diagnostic device on the car and it say...