Question about 2005 Mercury Mountaineer

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2005 Mercury Mountaineer shuts off

While driving my Mountaineer just shuts off. You can crank it back up. We have tried different gas and also put injector cleaner in but it still does it. Is intermittent. Don't know when it will do it.

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  • chipshep Apr 15, 2009

    This problem has baffled the dealer because it is so intermittent. There are no trouble codes. I have had the "flight recorder" installed, but it didn't occur while I had it attached. The conditions for it to occur are this: Ambient temperature over 40 degrees, coming off of a hill. Doesn't happen all of the time. I just knock it up to neutral and restart. Always restarts. I'm thinking a balky MAP sensor. It's driving me crazy and is potentially dangerous.

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1986 Grand Marquis 5.0 car runs cuts off while running it starts right back up

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Could be a number of things and the information is a little vague. Does it do it when cold, warm, after driving for a distance etc. It might pay to have some one run a diagnostic machine on it. The cost for the test could actually save you money. Just make sure they have a good reputation.

Posted on Sep 13, 2008

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