Engine truble

Asked by Jan 09, 2016 at 02:47 PM about the 2000 Mercury Mountaineer 4 Dr STD AWD SUV

Question type: Maintenance & Repair

Truck starts and runs fine loss of power
when half throtle or more

2 Answers


If you step on the gas and the engine bogs then I would suspect a plugged up catalytic converter.

1 of 1 people found this helpful.

Is the check engine light on? How long has this been going on? Did it come one gradually or all of a sudden? Has any service been done to the truck that may have brought this on?

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