Question about 2001 Lincoln Town Car

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2001 lincoln town car check engine light on code 457 what's wrong??

Light stays on. obd II gives problem code po457.

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  • Lincoln Master
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Code 457 is for a leak found in the evap system which vents the gas tank to the vapor canister. The gas cap could be loose, or damaged. Or there could be a leak somewhere in the tank vent or lines.

Posted on Jan 17, 2013

  • John A. Murphy Jr Jan 24, 2013

    Thank You very much, Stephen, the gas cap was suspect. First I was getting code 455, and I was told to replace the gas cap. You have confirmed the solution.

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SOURCE: 91 Lincoln Town Car A/C

CANT HELP W/ AC BUT THE TROUBLE CODES CAN BE READ THROUGH THE CHECK ENGINE LIGHT IF YOU JUMP THE DIAGNOSTIC TERMINAL W/ THE GROUND. YOUR CHECK ENGINE LIGHT SHOULD FLASH IN SETS(3 FLASHES THEN 2 FLASHES) WHICH IS YOUR CODE. THE FIRST CODE IS USUALLY A DIAGNOSTIC STARTED CODE FOLLOWED BY THE ACTUAL PROBLEM CODE. KEEP IN MIND THE SENSOR THAT IS TRIPPING IS NOT ALWAYS THE PROBLEM. MANY TIMES THE SENSOR IS JUST DOING ITS JOB OF TELLING YOU THERE IS A PROBLEM RELATED TO THE OPERATION OF THAT SENSOR.(IAC VALVE JUST LETS YOU KNOW THERE IS NOT ENOUGH AIR)

Posted on Sep 03, 2008

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SOURCE: 1999 Lincoln Town Car (Check Engine Comes On)

you have to get a reading of the on board diagnostic system, Autozone read it for free . then they will print a code for you that will show which part is causing the problem (oxygen sensor or the catalytic converter )

Posted on Nov 06, 2008

  • 1 Answer

SOURCE: Check Engine Light is on and the code is P0303

Hello I need a help.
I have 1999 lincoln town car 4.6L V8.They have check engine light on. P 0303 cylinder 3 missfire.
I was changed spark plugs,fuel filter. check compression test 150psi. fuel pressuer 50.
swiching cylinder 1 to 3 fuel injector and coil. but they still have engine code

Posted on Apr 12, 2009

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SOURCE: 1997 lincoln town car check engine light-P0402 code

did you replace the egr valve

Posted on May 04, 2009

Mr BrokRench
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SOURCE: heat wont work 2001 lincoln town car cartia

Hello Callahan5922....this sounds like a stuck blower motor resistor. I assume the blower won't function in the a/c mode either? If you have a digital multimeter you can check this. I believe it's fuse #2....if the digital indicator goes up or down when you increase or decrease the fan speed thats good. Locate the blower motor resistor....you wil find it located on the fire wall behind the right valve cover hiding behind the heater hose, it's about the size of a cigarette pack. With the engine off, and key in on position, turn the A/C on High, and rap a tap tap tap on the resistor. You might be suprised when the blower motor takes off a runnin,
I hope this is the answer you need and i was able to help solve this for you. Good luck...

Posted on May 13, 2009

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1 Answer

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You need to check for spark or injector pulse

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My check engine light is on. How do I turn it off?


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Jan 19, 2011 | 1997 Lincoln Town Car

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I have the engine alert, what is the cause


Your car uses the OBD-II protocol. You will need an OBD-II code reader to get the codes which will help you figure out what is wrong. More info can be found at http://www.check-engine-light.com

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How do you get the trouble codes from a 1996 lincoln town car?


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Sep 09, 2009 | 1996 Lincoln Town Car

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Check Engine Light is on and the code is P0303


Hello I need a help.
I have 1999 lincoln town car 4.6L V8.They have check engine light on. P 0303 cylinder 3 missfire.
I was changed spark plugs,fuel filter. check compression test 150psi. fuel pressuer 50.
swiching cylinder 1 to 3 fuel injector and coil. but they still have engine code

Feb 27, 2009 | 1999 Lincoln Town Car

1 Answer

Check Engine Light is on and the code is P0303


the car has mis fired with mean an injector has gone bad or it needs spark pluges and wires i bet it needs the plugs but it could also be both replace the plugs and wires then go from there

Dec 10, 2008 | 1998 Lincoln Town Car

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2002 lincoln ls idiling strange. Rpms go up and down.


Vaccum leak.  There are a bunch of little hoses in the engine compartment that give vaccum to various components,  if one is leaking (dry rot and cracked) or got pulled off when someone replaced ... say an air filter or other service ... you will get this symptom.    

A variety of sensors and the computer itself can also cause these problems ... if the component is not throwing an OBD II code, it WILL be costly (time AND $) to find the problem.

If you open the engine compartment and can detect a slight sucking sound from somewhere,  that is a vaccum leak and may be your problem.    You could have autozone or another nice parts store pull OBD II codes for free, but if the check engine light is not on, there may not be any codes to pull.

good luck.

Oct 29, 2008 | 2001 Lincoln LS

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