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Fiat 500 1.3 multijet diesel with fault code p0089

My fiat has fault code p0089 fuel pressure regulator performance. and puts engine light on when you try to accelerate! with a loss of power? have changed fuel pressure regulator and fuel filter but no joy!

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P0089 Fuel pressure regulator - performance problem

Posted on Mar 30, 2015

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Posted on Jan 02, 2017

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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

Jan 02, 2017 | Cars & Trucks

1 Answer

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

Aug 19, 2015 | 2007 Nissan X-Trail 2.2D

1 Answer

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.

May 16, 2014 | Nissan Cars & Trucks

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

2 Answers

P0089 code diplayed


fuel pressure regulator 1 perf

Feb 09, 2013 | Chevrolet Cavalier Cars & Trucks

2 Answers

I have a Diesel Fiat Punto 1.3 multi jet 2003. I cant start the car it keeps turning over and over and will not start. Ive had the pump and injectors checked, changed the starter motor, had new glow plugs....


First I would check to make sure you have the proper fuel pressure at the pump - you should have 2 pumps - one that delivers from the tank, and a high pressure pump for the injectors. Make sure that both are delivering properly - you may need to prime the pumps for quite some time if air got into the lines. Also make sure the cam / crank sensors wiring has no corrosion and is making proper contact. Between 0 to 300/400rpm the signal can be slightly erratic until the engine is started so I would not worry too much about that.

Mar 15, 2011 | 2006 Fiat X1/9

1 Answer

I have a 2008 VW Passat. When the engine light came on I stopped at Autozone and they gave me the following codes: P0089, P0642, P2004. Anyone know what they mean?


CODE 89 IS FUEL PRESSURE REGULATOR 1 PERFORMANCE.CODE 642 SENSOR REFERANCE VOLTAGE CIRCUIT "A" LOW.AND CODE 2004 IS ITAKE MANIFOLD RUNNER CONTROL STUCK OPEN.CK FOR BAD OR MISSING VACUUM LINES.IS IT STILL UNDER WARRANTY

May 05, 2009 | 2008 Volkswagen Passat Sedan

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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