Mercury mountaineer wont start

Sheri Chitwood

Asked by Aug 28, 2016 at 10:36 PM about the 2004 Mercury Mountaineer 4 Dr STD AWD SUV

Question type: Maintenance & Repair

Ive replaced the throttle position sensor, fuel
relay fuse, and the crankshaft position
sensor. It will crank but not start. What else
could it be?

1 Answer


You need to find out if it is fuel or spark related, spray some starting fluid in the intake while someone cranks it over, if it fires off and runs briefly then it is fuel, if not then it is spark. There may also be a stored code in the memory that might help you further along with diagnosis.

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