Question about 2001 Lincoln LS

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Im not getting any power to bank 2 sensor 2 on my 2001 lincoln ls. the code is po156 please help

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You need to check the connector or plug on the O2 Sensor- for moisture etc.
Also the heater in the sensor may have just failed.
Make sure the sensor did not come loose,in the exhaust pipe. Mine, on my 2004 did,or was that way from the factory.
Also remove and clean you MAF Sensor,in the intake ducting,between the air filter and throttle body. Use CRC Mass Air Flow Cleaner --No. 05110
If you don't have a scanner,about all you can do is change the sensor. I do not like throwing parts at things. Always test,then replace.

Posted on May 03, 2010

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P0420 p0430 p0750


Code 750 is a problem with one of the shift solenoids inside the transmission.
Code 420 is for the catalytic converter performance bank one and code 430 is the same thing for bank two. The codes mean the cat is not performing up to standards based on the data coming from the O2 sensors. Sometimes it a sensor problem, and sometimes its a cat problem or something in the fuel system.

Feb 11, 2014 | 2003 Lincoln LS V8

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Codes po175b


system too rich bank 2. possible causes: damaged or leaking fuel pulse damper or leaking fuel injectors or fuel line restriction or fuel rail sensor bias or damage to the maf sensor or oil contamination or evap cannister purge valve is leaking when the cannister is full

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My2000 mercury cougar has code 156&161 what could be the problem


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Jul 11, 2012 | 1999 Mercury Villager

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Where is bank1 and bank 2 located on a lincoln LS?


Bank #1 passenger side

Bank #2 driver side

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when they get to 100,000 miles

Aug 04, 2011 | 2002 Lincoln LS

1 Answer

I got a 2002 lincoln ls. The ac is not working im getting codes from self dianotics test 1263,1264,1242,1251,1265, i know what the codes mean but do not know where to start far as fixing my problem. what...


The codes that you have there means:

P1242 - Sensor power supply high input
P1251 - Air mixture solenoid circuit malfunction
P1263 - Cylinder #3 high to low side short
P1264 - Cylinder #4 high to low side short
P1265 - Cylinder #5 high to low side short

In the next link, you can find Lincoln LS 2000-2005 Connector Pin Identification

Hope this helps.



Jul 06, 2011 | 2002 Lincoln LS

1 Answer

03 ls v6. p0430 catalyst malfunction lean bank 2. Vehicle has loss of power and exhaust sounds loud on the drivers side when I get on it a little bit. Do I need a new cat?


Before you invest in a new catalytic converter get the exhaust leak fixed, especially if it is before the cat and O2 sensors. An exhaust leak will allow air in and the sensors will not read accurately. This could show up as a code. Get the codes cleared after the leak is fixed and see if it comes back. It probably won't. Hope this helps.

Dec 17, 2010 | 2003 Lincoln LS

1 Answer

Code P0133 on Lincoln Ls V6 . What is the issue! Just hade 2 coils replaced, upper and lower manifold gaskets, brakes and both front wheel bearings. The PCV hose also replaced.


that is an oxegen sensor code front sensor bank 1.its on the side of the engine were #1 cylinder is located.probably bad, but it could be disconnected partialy or shorted to ground

Mar 22, 2010 | 2003 Lincoln LS

1 Answer

Have a 2001 lincoln ls checked all plugs,fuel


What codes do you get? Is the check light on steady? Did you switch coils to see if code PO 304 & 2 move. What does fuel pressure look like? Are the O2 sensors in tight and have you looked over the entire PCM System with a professional scanner? How were the injectors and coils checked?

Feb 04, 2010 | 2001 Lincoln LS

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