Question about 2000 Ford Taurus

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What needs to be replaced if i got code p1237 and code p0191 on my 2000 ford taurus se?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

moparownr
  • 667 Answers

SOURCE: mfuse box cover and diagram is missing, don't know which fuse to pull for lighter and dome light on 1999 ford taurus se

if you do not have an owners manual you can find it at https://www.fleet.ford.com the fuse chart is in the manual hope this helps

Posted on May 20, 2009

  • 708 Answers

SOURCE: 2000 Ford Taurus Flex Fuel V6. Check engine light

your code is or the following. Fuel Pump Secondary Circuit Malfunction. This may involve removing your gas tank to fix. Go to the parts store and they can get you the parts you need and let you know for sure.

Posted on Jun 29, 2009

roniecon
  • 6826 Answers

SOURCE: Power window on Ford Taurus SE will not work and

Check the fuses and the power seat module under the dash.

Posted on Apr 08, 2010

rickyrt441
  • 4399 Answers

SOURCE: hi my 2000 taurus sel is showing code # P1237 .

You need to make sure it is not a bad wire first. I would test the current to the wires going to the pump and leaving the pump. You can run wires from the battery straight to the pump also to check. Make sure it is bad before you replace it. It should be getting 12 Volts.

Posted on Feb 28, 2011

ZJLimited
  • 17970 Answers

SOURCE: how do I fix code P1237 on ford taurus sel

P1237 - Fuel Pump Secondary Circuit Malfunction

Electronic Returnless Fuel Systems (ERFS) utilize a Fuel Pump Driver Module (FPDM) to control fuel pressure. The PCM uses a Fuel Rail Pressure Sensor (FRP) for feedback. The PCM outputs a duty cycle to the FPDM to maintain the desired fuel rail pressure. During normal operation, the PCM will output a FP duty cycle from 5% to 51%. The FPDM will run the fuel pump at twice this duty cycle, e.g. if the PCM outputs a 42% duty cycle, the FPDM will run the fuel pump at 84%. If the PCM outputs a 75% duty cycle, the FPDM will turn off the fuel pump.

If the FPDM does not out any diagnostic signal, (0 or 100% duty cycle), the PCM sets a P1233 DTC. This DTC is set if the FPDM loses power. This can also occur if the Inertia Fuel Switch is tripped.

If the FPDM outputs a 25% duty cycle, it means that the fuel pump control duty cycle is out of range. This may occurs if the FPDM does not receive a valid control duty cycle signal from the PCM. The FPDM will default to 100% duty cycle on the fuel pump control output. The PCM sets a P1235 DTC.

If the FPDM outputs a 75% duty cycle, it means that the FPDM has detected an open or short on the fuel pump control circuit. The PCM sets a P1237 DTC.


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Posted on Feb 28, 2011

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1 Answer

I'm getting P1237 first time after replacing new fuel pump. My car; 2000 Ford Taurus DOHC 3.0 L. does not have FPMD, How I fix this code ?


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I have a p1237 code, what does it mean. and what can i do to fix it.


P1237--Fuel Pump Secondary Circuit Malfunction

It could be an issue with the fuel pump
Also there are several other steps to follow,
before arriving at a bad pump
Most involve some type of short, detected in the
wiring along the way.That is the short explanation

You really need a diagnostic trouble chart to follow

So,you will have to seek help at a local repair shop
I wouldn't give away extra money at a dealer.

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2000 Ford Taurus Flex Fuel V6. Check engine light is on shows code P1237, car runs fine starts fine.


your code is or the following. Fuel Pump Secondary Circuit Malfunction. This may involve removing your gas tank to fix. Go to the parts store and they can get you the parts you need and let you know for sure.

Jun 29, 2009 | 2000 Ford Taurus

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