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Dtc fault code p0089 - Cars & Trucks

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6ya6ya
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Posted on Jan 02, 2017

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alicantecoli
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SOURCE: fault code p0089 found on my car during diagnostic

you managed to read a fault code?? well its the wrong fault code for a start because if this vehicle is a 2007 then its encrypted software to stop people from reading the codes and doing the work themselves ,so its dealer only

Posted on Nov 02, 2009

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SOURCE: DTC P0089 ( FUEL PRESSURE REGULATOR) Code is



The fault code relates to the fuel pressure sensor, it is either detecting low pressure, or is faulty.

It is most likely low pressure, either caused by an injector excessively leaking back through the leak off system or the pump is not pumping hard enough.

Start by getting a leak back test done on the injectors, and also a rail pressure test, if both come back as ok, then it is most likely the sensor that is faulty.

good luck

Posted on Apr 02, 2010

ZJLimited
  • 17970 Answers

SOURCE: I HAVE PATHFINDER POOR RPM , DTC P0089, P1275,

DTC P0089 - Fuel Pressure Regulator 1 Performance
The fault code relates to the fuel pressure sensor, it is either detecting low pressure, or is faulty.

It is most likely low pressure, either caused by an injector excessively leaking back through the leak off system or the pump is not pumping hard enough. Start by getting a leak back test done on the injectors, and also a rail pressure test, if both come back as ok, then it is most likely the sensor that is faulty.


This may help you to trace fault: DTC P0089


DTC P1275 - Acceleration Position Sensor 1 Circuit Malfunction
The acceleration position (AP) sensor circuit provides a voltage signal relative to acceleration pedal angle. The acceleration pedal angle (AP1) will vary about 13% at idle position to about 87% at wide open throttle (WOT). This code detects a continuous short to ground or high in either the circuit or the sensor.

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Conditions for setting the DTC:
* The Ignition is "ON".
* The acceleration pedal angle is less than 2.5% or more than 97% for 12 counts within 500 test samples (15.6 m sec ).

Action Taken When the DTC Sets:
* The PCM will store condition which were present when the DTC was set as Freeze Frame and in the Failure Records data.

Conditions for Clearing the MIL/DTC:
* The PCM will turn the MIL "OFF" on the third consecutive trip cycle during which the diagnostic has been run and the fault condition is no longer present.
* A history DTC P1275 will clear after 40 consecutive trip cycle during which the warm up cycles have occurred without a fault.
* DTC P1275 can be cleared using the Tech 2 "Clear Info" function or by disconnecting the PCM battery feed.

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Diagnostic Aids
An intermittent may be caused by the following:
* Poor connections.
* Mis routed harness.
* Rubbed through wire insulation.
* Broken wire inside the insulation.

Check for the following conditions:
* Poor connection at PCM-Inspect harness connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, and poor terminal to wire connection.
* Damaged harness-Inspect the wiring harness for damage. If the harness appears to be OK, observe the APP sensor 1 display on the Tech 2 while moving connectors and wiring harnesses related to the sensor.

A change in the display will indicate the location of the fault. If DTC P1275 cannot be duplicated, the information included in the Failure Records data can be useful in determined vehicle mileage since the DTC was last set.

If it is determined that the DTC occurs intermittently, performing the DTC P1275 Diagnostic Chart may isolate the cause of the fault.

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Referential sensor location.


Keep us updated.

Posted on Feb 16, 2011

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1 Answer

I have a mitsubish L200 triton with acceleration problems and give an error P0089.How to fix the error


code p0089 refers to fuel pressure regulator---performance problem===causes --fuel pressure regulator--- mechanical fault
check the regulator operation as it controls the operation of the fuel pump as well
At this point I would be considering a new regulator or checking any wires connected to it

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What is the fuel suction valve? fuel pump? You never stated a year. Did you replace the fuel filter? P0089 is generic code for a fuel problem. What was the fuel pressure? Did the pressure hold for 10+ minutes? What are the symptoms?

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I have change pressure sensor DENSO 6100 on Nissan X-trial 2005 It was p0089 error code now I have two p0089 and p1275


code p 0089 refers to fuel pressure regulator---performance problem===causes fuel pressure regulator---mechanical fault
code p 1275 refers to heated oxygen sensor (HO2S) 1--response time===causes--- HO2S--fuel pressure--injectors--intake air leak--exhaust leak--MAF sensor
as the pressure regulator ( fuel pressure) appears in both codes I would be paying attention to that unit first

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P0089 Fuel pressure regulator - performance problem

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Nissan x-trail diesel code p0089


I would need to know what year model this is, engine capacity and engine code to confirm but generally on the x-trails that fault code refers to a mechanical fault on the fuel pressure regulator. This is for the YD22DDTi engine.

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1 Answer

07 passat code p0642 related to other codes


code p0642 refers to ECM-knock control defective or sensor reference voltage A circuit low or system voltage- malfunction===causes for ecm is ECM--- for voltage A wiring is short to positive --- for system voltage ---wiring--poor connection--battery---alternator
code p2014 refers to intake manifold air control actuator position sensor/ switch bank 1 circuit malfunction=== causes --wiring --intake manifold air control actuator position sensor/switch
code p0106 refers to manifold absolute pressure MAP sensor/barometric pressure sensor-range/performance problem===causes--intake /exhaust leak--wiring--MAP sensor---Baro sensor.
code p0089 refers to fuel pressure regulator --performance problem===causes--fuel pressure regulator--mechanical fault. I would suggest that you have the battery load tested and the alternator checked for correct output as it may be the common reason for the codes .P0089 will not be electrical as it being a mechanical fault then the regulator needs replacing

Jul 23, 2013 | Cars & Trucks

1 Answer

My lexus rx300 2000 has the check engine on, the diagnosis says the dtc but nobody knows what to do,I've check thre vacuum but every hose seems to be in right place.


DTC stands for diagnostic testing code but that is not a code. what code number came up? ex-P0066 or P0089? If you get the code I can assist further, I hope this helps

Jan 19, 2011 | 2000 Lexus RX 300

4 Answers

Service engine light on showing code p0089


Diagnostic trouble code P0089 - The ECM commands the Bosch high-pressure fuel pump to deliver a specific fuel rail pressure - that can vary up to 23,000 psi depending on load and speed. The actual pressure is monitored via the fuel rail pressure sensor. If the fuel rail pressure varies more than desired or if commanded fuel pump flow is 100mm3/second or less, DTC P0089 will set.

Corrective action includes measuring the fuel rail pressure using a Tech II scan tool, then compare that to commanded fuel rail pressure with the engine running at 2000 rpm. The difference must be less than 20 Mpa.

A blockage in the fuel tank or plugged fuel filter could cause this fault (excessive vacuum in fuel line). If there is less than 5 in Hg of vacuum when measured at the fuel pressure test port at 3000 rpm, the fuel pressure regulator could be defective, and may need to be replaced. The fuel pressure regulator (FPR) is a sub assembly located on the Bosch high-pressure fuel pump.

Jul 30, 2008 | 1996 Chevrolet Cavalier

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