Question about 2003 Mercury Mountaineer
2003 Mountaineer stalls in warm weather. Cool or cold weather never stalls. Stalling happens at different speeds but mostly around 20-40 mph. No warning just stops. Dearler checked for codes but nothing shows up. 60 thousand miles on it.. One dearler said it could be the air sensor. I have changed the air filter fuel filter have new battery new alternator. All this was replace last summer. It acts like it not getting any fuel or its not getting enough.
Thank you for any kind of help
I would try insoluating the fuel lines anywhere they go past hot parts.I would also run some fuel cleaner in with a few tanks of gasoline. It has done wonders on my truck of 189k. Lean or no fuel related problem do not set codes. Too much unburned fuel sets codes.
Posted on Jan 11, 2009
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Posted on Jan 02, 2017
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