Question about 2004 Lincoln Navigator

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Code p1237 on a 2004 lincoln aviator

Vehicle stalls but will restart fuel pressure good fuel pump and filter replaced,has cod`e p1237 may run great for 3 days then act up

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  • Lincoln Master
  • 1,207 Answers

The P1237 means Fuel Pump Secondary Circuit Malfunction.
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autel maxidas ds708

Posted on Nov 05, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 151 Answers

SOURCE: car runs rough at idle

clean out ur throttle body, just follow the hose from the air filter to the throttle body. Need 2 people to do this. Don't remove the hose completely from the throttle body. Just enuff to be able to spray ur intake cleaner into the throttle body. Do this especially if its worse when the motor is hot, as this would confirm the problem.

Posted on Sep 04, 2008

  • 1 Answer

SOURCE: 2004 LINCOLN AVIATOR

I just changed the fuel filter on my 2003 Aviator and it was a pain. Aftwer looking and looking I finally found it. It is located under the truck at the center of the front crossmember behind a shield. Two bolts hold the shield and there are two quick release hoses on the fuel filter itsself. Good luck!!!

Posted on Mar 02, 2009

goalie39
  • 469 Answers

SOURCE: keyless entry code for 2003 lincoln aviator

Every car different, call an auto rescue or towing company, the trucks are usually equiped with slim jims, that can be used to gain access to your vehicle.

Hope this helps.
Ed

Posted on May 05, 2009

chuck943
  • 783 Answers

SOURCE: Where is the fuel filter

To relive the fuel pressure look under hood on drivers side front of engine locate the fuel line where it goes into the fuel rail,trace it back a little ways and you will see a schrader valve for checking fuel pressure. Remove the plastic cap and take something like a small screw driver and press the pin in center to release pressure.
To replace fuel filter you have to remove left front wheel and inner plastic fender panel and fuel filter is located behind this at the back area.

Posted on Jun 04, 2009

  • 5 Answers

SOURCE: 1997 lincoln town car 4.6 with a p0430 fault code

I will make an assumption here, we know what the root word means. This code was extracted from the computer by? What this is telling you one of 2 things: The Bank 2 oxygen sensor down stream of the catalytic converter (there are 2 converters, one for each bank of cylinders on the 4.6ltr engine) is bad and/or that the Bank 2 catalytic converter is no longer doing the job it was designed to do. Simply, Catalysts wear out. They are good for approx 100,000 miles (as required by Federal Law). Again, I assume that the reason the intake manifold was replaced was because it had a crack in one, or more, of the runners? (part that feeds the head of a manifold). It may have taken a while to find this as being the cause of why the car running incorrectly, maybe rough. This means, that during the time the car was being driven with the problem, the amount of unburned, or not within spec exhaust gases, coming off the side of the engine affected by the intake issue was higher than normal. This out of balance level of exhaust gases were being dumped into the converter on that side of the engine, thus causing the converter to have to run hotter, work harder, or even at the time the gas was being processed through, causing deposits to be formed in the converter, thus shortening it's life span. The Bank 1 side of the engine, apparently, did not have the issue and it's catalytic converter's life was not affected. I hope this makes sense to you.

Posted on Aug 19, 2009

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I previously posted my 2005 Ford Escape Hybrid had a code P0190 . I bought a scan tool and actually have two codes (P0191 and P1237).


p1237
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Car stalled. restarted and did a


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