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BMW X 5 30d SOME TIMES BAD STARTING FAULT CODE 09F6 RAIL PRESSURE MONITORING ON ENGINE START

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: i have changed rail pressure switch on bmw 530

Hi we have a similar fault on a 2002 X5 diesel with 140k.km
scan test on 'Autologic' says > low fuel pressure in rail under starting< we have done leak off test at diesel specialist and they say it needs #4 and #2 injector renewing, the low pressure from tank is at spec at approx.3.4bar whereas the rail press at crank is only between 102bar to 140bar on 6 diff scans, where i believe it should be at around 390bar, hope this helps, we still have not fixed this yet,

Posted on Dec 02, 2009

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lastech
  • 408 Answers

SOURCE: FUEL RAIL PROBLEM

hello,fuel rail pressure sensor located at the rear end of railing tube which all high pressure line up to injector nozzle is connected, ignition off then you can remove that part,ty

Posted on Apr 26, 2009

SOURCE: BMW E46 320d Fy81457

replace fuel presure regulator

Posted on Aug 28, 2008

  • 3 Answers

SOURCE: HI MY NAME IS MUKHTAR.I HAVE A 2004 C220 CDI W203

May I know the full chassis no : like WD_203xxxxxxxxxxx.

Posted on Sep 03, 2009

janlinekbmw
  • 146 Answers

SOURCE: diagnoses : 2002 745i bmw ( hot-film air-mass flow senser )

Hot-film air mass sensor when diagnose say is damaged, replace it!!! Trouble when car will take up to 5.sec. is associated with this! Bank 1, the accumulated value of lambdasond the left side of the engine cylinders. While the problem is in the ignition at the 4th cylinder, Bank-1 data were then evaluated as poor. Allow change fourth ignition coil and the CAN mistake Dont look it! is an accidental fault! eventually allow for BMW servicing erase all the mistakes and make a new adaptation of the engine throttle body, and adaptation of the engine in to "0" setting

Posted on Jul 01, 2010

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1 Answer

My code on the 2005 ford mustang said that my fuel rail pressure sensor A Circuit


Does the Vehicle start an run ? What engine does it have ? 4.0 or 4.6 L You vehicle has electronic returnless fuel system , Fuel rail pressure sensor , FPDM - fuel pump driver module . The fuel pump driver module controls the fuel by pulse width modulation
Pulsewidthmodulation (PWM) is a powerful technique for controlling analog circuits with a processor's digital outputs. PWM is employed in a wide variety of applications, ranging from measurement and communications to power control and conversion. The PCM - engine computer uses the fuel rail pressure sensor input to send commands to the FPDM .
What code ? P0--- what ?



P0190 - Fuel Rail Pressure (FRP) Sensor Circuit Malfunction Description: The comprehensive component monitor (CCM) monitors the FRP sensor to the powertrain control module (PCM) for VREF voltage. The test fails when the VREF voltage from the PCM drops to a voltage less than a minimum calibrated value. Possible Causes:
  • VREF open in harness.
  • VREF open in sensor.
  • Vacuum leaks.
Diagnostic Aids: Verify a VREF voltage between 4 and 6 volts. Application Key On Engine Off Key On Engine Running Continuous Memory Fuel rail pressure temperature (FRPT) sensor - GO to DD26 GO to DD26 Fuel rail pressure (FRP) sensor only - - GO to DD1 Fuel rail pressure (FRP) and fuel rail temperature (FRT) sensors - - GO to DD1


P0191 - Fuel Rail Pressure (FRP) Sensor Circuit Performance Description: The comprehensive component monitor (CCM) checks the FRP for acceptable fuel pressure. The test fails when the fuel pressure falls below or exceeds a minimum/maximum calibrated value for a calibrated period of time. Possible Causes:
  • High fuel pressure.
  • Low fuel pressure.
  • Damaged FRP sensor.
  • Excessive resistance in the circuit.
  • Vacuum leaks.
  • Low or no fuel.
Diagnostic Aids: A FRP PID value during key on engine running (KOER) of 138 kPa (20 psi) to 413 kPa (60 psi) is acceptable. Application Key On Engine Off Key On Engine Running Continuous Memory Fuel rail pressure temperature (FRPT) sensor GO to DD34 Fuel rail pressure (FRP) sensor only GO to DD9 Fuel rail pressure (FRP) and fuel rail temperature (FRT) sensors GO to DD9


P0192 - Fuel Rail Pressure (FRP) Sensor Circuit Low Input Description: The comprehensive component monitor (CCM) monitors the FRP sensor circuit to the powertrain control module (PCM) for low voltage. If voltage falls below a calibrated limit for a calibrated amount of time during testing, the test fails. Possible Causes:
  • FRP signal shorted to SIG RTN or PWR GND.
  • Damaged FRP sensor.
Diagnostic Aids: A FRP PID value during the key on engine off (KOEO) or key on engine running (KOER) less than 0.3 volt indicates a hard fault. Application Key On Engine Off Key On Engine Running Continuous Memory Fuel rail pressure temperature (FRPT) sensor GO to DD26 GO to DD26 GO to DD39 Fuel rail pressure (FRP) sensor only GO to DD1 GO to DD1 GO to DD14 Fuel rail pressure (FRP) and fuel rail temperature (FRT) sensors GO to DD1 GO to DD1 GO to DD14


P0193 - Fuel Rail Pressure (FRP) Sensor Circuit High Input Description: The comprehensive component monitor (CCM) monitors the FRP sensor circuit to the powertrain control module (PCM) for high voltage. If voltage exceeds a calibrated limit for a calibrated amount of time during testing, the test fails. Possible Causes:
  • FRP signal shorted to VREF or VPWR.
  • FRP signal open.
  • Damaged FRP sensor.
Diagnostic Aids: An FRP signal high condition can be caused by any number of conditions, including a short on FRP signal to VREF, a more positive voltage level, an open FRP signal or signal return. The FRP signal line is pulled up by the PCM and VREF at the sensor, and down by the sensor through SIGRTN. Application Key On Engine Off Key On Engine Running Continuous Memory Fuel rail pressure temperature (FRPT) sensor GO to DD26 GO to DD26 GO to DD39 Fuel rail pressure (FRP) sensor only GO to DD1 GO to DD1 GO to DD14 Fuel rail pressure (FRP) and fuel rail temperature (FRT) sensors
P1233 Ford Fuel Pump Driver Module Diagnostics and Repair

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Jan 14, 2018 | Ford Cars & Trucks

1 Answer

Will a EML light come on on a 2001 BMW 525i if it has a bad fuel filter?


I would assume that if the engine control module monitors the fuel pressure in the injector rail , then yes .


otherwise it will more that likely cause a random misfire in cylinders or even maybe a steady misfire in cylinders. because your fuel pressure is too low.

Nov 08, 2015 | BMW Cars & Trucks

1 Answer

The BMW 330CI engine oil pressure warning lamp is lit.why?


The first trial. Switch on ignition. The engine oil pressure warning light for thered light. Start and run the engine, warning lights, half a minute later re lit, butthe Yellow state. Repeated tests a few times are so. Turn off the engine. Pull out the dipstick check the amount of oil, the normal. Self diagnosis to connect to the GTl diagnostic instrument, choose 3 E46 chassis models, click on the"test" button, the scanning of the electronic control system of the whole car.After click two times right. Enter the fault code list interface, can be seen in the"KOM combination meter" project. The store has a fault code.then use the obd code reader to check out it.

Nov 18, 2013 | BMW 330Ci Cars & Trucks

1 Answer

2004 ford explorer will not start but turns over


For a no start , cranks over ok. be sure you have fuel pressure at the fuel rail first, before checking the injectors. There should be more that 40 psi at the rail... if not .. you might have a fuel pump problem. Even if you have fuel pressure at the fuel rail... the next thing I would check for,,, is spark !! Make sure you have spark at the spark plugs. The order would be... fuel pressure first and then spark , , then injector pulse. !! Then plugged exhaust.... then bad fuel then engine timing. The injectors have power to them all the time. The PCM controls the ground to the injectors. So you would have to monitor the ground side of the injectors. So checking injectors is kinda complicated. Hope this helps you. Good luck.

Mar 03, 2013 | 2004 Ford Explorer

1 Answer

Bmw 530d cranks over for 30 seconds before firing up, hot or cold


Try turning the ignition on (not to turn the engine over but only on) for 5 seconds and then off then repeat that three or four times then try and start it. If it starts up immediately after that then you have a fuel pressure problem and by doing this you are priming up the high pressure fuel rail. possible causes are a fuel filter blockage, if you dont know the history of the fuel filter then replace it, or could be a pump issue or a pressure regulator on the rail issue.

Apr 28, 2011 | 1999 BMW 5 Series

1 Answer

I have changed rail pressure switch on bmw 530 diesel but when car is cold start if engine is hot the car not start until i spray easy start into it


Hi we have a similar fault on a 2002 X5 diesel with 140k.km
scan test on 'Autologic' says > low fuel pressure in rail under starting< we have done leak off test at diesel specialist and they say it needs #4 and #2 injector renewing, the low pressure from tank is at spec at approx.3.4bar whereas the rail press at crank is only between 102bar to 140bar on 6 diff scans, where i believe it should be at around 390bar, hope this helps, we still have not fixed this yet,

Oct 21, 2009 | 2002 BMW 5 Series

1 Answer

Freelander td4 bmw engine will not start


fuel rail preasure rgulator valve may be faulty

Sep 12, 2009 | 2003 Land Rover Freelander

1 Answer

Cold starting problem


you could have a couple differnet issues. cold start misfires, an intake air leak, poor compression with engine cold,or a fuel pressure issue with a leaking injector or fuel pressure is bleeding back due to a faulty pressure regulator. my recommendation is to buy a fuel pressure gauge and monitor pressure overnight. you could also pull the fuel rail and see if an injector is leaking at the same time. you can spray the intake system with a highly volitile liquid(with engine running) to see if idle speed changes to check for an air leak

Apr 27, 2009 | 1999 BMW M3

1 Answer

Last time I drove the car it started idling very


Just a guess but if you don't have an igniton problem, it may be a bad fuel pressure regulator. If the regulator diaphram fails, the engine will pull raw fuel through the vacuum line that goes to it. Also if it fails to bypass, excessive fuel pressure will flood the engine. Check the rail pressure to spec.

Mar 03, 2009 | 1993 Toyota Camry V6

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