Question about Mercury Cars & Trucks
2007 Mercury Mountaineer Premier AWD 4.6L V-8 3V Engine Head Gaskets, exhaust manifold gaskets and intake manifold gaskets just replaced Heads checked out ok, no cracks or warps Valve seals replaced Injector O-Rings replaced New Spark Plugs New Oil and Filter and new Coolant
Sounds like the Throttle position sensor is activating the Rev. Limiter. Take the vehicle back to the shop that did the head work and request an OBDII scan. Get a print out of the stored fault history. Let the print out be your guide to any repairs. The Mercury is to new, to need head work, unless severe overheating occurred.
Posted on May 19, 2017
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Posted on Jan 02, 2017
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