Question about 2007 Lincoln MKX AWD

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My MKX will not start after filling up with gas. This has happened the last 10 -12 times. It does not happen at any other time. The only way to get it to start is to use the Fob and lock and unlock the doors with it and then the car will start. I have tried putting the fob into the slot and that doesn't help and there is no other indication lights or anything to warn me that the battery is low, etc. Please help.

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I believe your battery is not the problem. But have it checked. The slow crank-over is due to the anti-theft feature in your car. When the car senses a theft attempt, it reduces cranking voltage to your starter to around 7 Volts.

Some wiring is crossed that is telling the Brain that there is a theft attempt. There are only a few things which happen when you fill gas. The Emissions system is open due to the gas cap being off and the fuel sending unit is reporting to the fuel gauge.
Possibly the fuel pressure regulator is feeling resistance due to the change in fuel volume.

Again, get a free battery test at Autozone, Advance, or Oreilys. I have not seen a problem like this in several years of working for Fixya. The battery is probably not low, but restricted by the antitheft. Yours is probably a unique condition.

Posted on Oct 18, 2013

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Posted on Jan 02, 2017

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SOURCE: 2007 lincoln MKX - the gearshift stays locked in park. cause?

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Posted on Feb 19, 2009

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SOURCE: Lincoln Continental2000-Door key won't unlock door-but starts car

I locked the 2000 lincoln continental with the key fob but lost it now the ignition key wilolo not unlock the door

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SOURCE: 2003 Lincoln Town Car 1. Used


Check the actuator in the doors, it appears that is non-operational and needs to be replaced.

Also remove drivers door controls, clean all contacts with electrical parts wash ,let dry put back together if one or more of your problems is solved then that is where your problem is .Clean again in more detail or replace individual switches ,if the first clean showed no improvement then you have a short. Check wires between door and door frame for pinched or frayed move them around as you try the window and door locks.

Please accept the solution if it's helpful. Do get back to us for any further query.

Thanks for contacting

Posted on Oct 05, 2010

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SOURCE: replaced airbag indicator light in instrument

i have the same problem. have you figured out the solution to your problem. please reply to

Posted on Feb 22, 2011

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