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2003 ford explorer PATs bypass

I had to jump my 2003 ford explorer off one morning. I turned it off and went into the store.when I returned it wouldn't start. its getting fuel and spark but wont start, but it will turn over. I was told that a bad chip in the key can cause this. how can I bypass the PATs system

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  • Ford Master
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Jump starting an engine will sometimes corrupt the program in the CPU . I would have the CPU reset using a code reader first so that the immobiliser was reset before I did anything else.

Posted on Jan 01, 2014

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Posted on Jan 02, 2017

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rainstreet
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SOURCE: MY FORD EXPLORER WONT START

fuel pump relay

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junmag
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SOURCE: anti theft device for 1997 ford expedition

try using a spare key first

Posted on Jun 02, 2009

  • 1 Answer

SOURCE: Starter issues with 98 Ford Windstar (3.8)

one problem that the 98 winstars ( 3,8L ) are prone to is the transmission range sensor. they are badly located and not well sealed. As a result corosion...
The starter solenoid wire ( red/ light blue ) runs throught the range sensor before reaching the ignition switch.
Try shifting back and forth between Park and L1 rapedly at least 5, 6 times and then try starting in Neutral.
If it starts the TRS is easy to replace and accesible.
( The TRS is also responsible for the transmission going into irradical kick down mode )

Posted on Apr 21, 2010

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2003 ford mustang gt anti theft light flashing engine will turn over but will not start


From my experience...
A non PATS coded key SHOULD not turn the STARTER...!

If ANTI-THEFT were invoked... you can attain a not start condition which the Owners Manual says must be cleared by the dealer.

A working PATS key should disable the anti theft... by turning the ignition on... ELSE try your other key.

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2002 Ford Explorer. Drove to the store turned it off went in came out 2 minutes later and it won't start or even make a noise but it is getting power. What could it be?


Is the red light on the top center of the dash pad flashing fast when trying to start ? The engine doesn't turn over ?
Anti-theft system problem !
PATS uses a visual theft indicator. This indicator will prove out for three seconds when the ignition switch is turned to RUN or START under normal operation. If there is a PATS problem, this indicator will either flash rapidly or glow steadily when the ignition switch is turned to RUN or START. PATS also "blips" the theft indicator every two seconds at ignition OFF to act as a visual theft deterrent.
PATS differs from the perimeter anti-theft system in that PATS enables and disables the engine from starting. If equipped, the perimeter anti-theft system protects the perimeter of the vehicle (doors, hood and trunk) and sounds an alarm.
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Is there a way to bypass the PATS systm on a 2014 ford mustang?


The PATS system is integrated into the Engine Control Module on Ford vehicles ,so I doubt there is an effective way to bypass it.

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My ford galaxy will unlock using the key fob but the engine will not start. I assume it is an immobiliser problem. Is there a way to start the engine please.



  • The only way to try to start a car by bypassing the ignition is to pop the hood and jump start the starter (where the big red power feed wire is connected) to the positive terminal on the battery. If the vehicle is PATS security protected I don't think this will do any good because when a PATS key malfunctions the cars ECM shuts down and the car won't go anywhere until a functioning PATS key is inserted into the ignition.

Regards, Tony

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Is this a crank no start issue ? If so, is the theft light in the cluster flashing ? No mention about the PATS bypass. One try is to put a functioning key in the ign ( in the off position is fine ) and try to remote start the truck. This would satisfy the PATS check, to know if the PATS bypass is programmed correctly, or if you do not have one, if everything else is installed correctly and you just need to add a PATS bypass module.

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