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I'm getting a code for low fuel rail pressure

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  • Cars & Trucks Master
  • 1,207 Answers

You can try to erase the fault code with your obd2 scanner, after a period of time, check it, if you get the code again, you must take it to repair.

Posted on May 06, 2013

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6ya6ya
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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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cadman000
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SOURCE: low fuel rail pressure

Check your " FUEL FILTER " for clogging. Work backwards toward the fuel supply tank, Hope this helps.

Posted on Apr 27, 2009

  • 245 Answers

SOURCE: low fuel rail pressure

who did a conversion on this truck???? the duramax is a common rail engine and can not handle wvo or sve. it will destroy your entire fuel system in no time on this truck. if you want to do a vo conversion you need to get a diesel with an inline injection pump or one of the older powerstrokes. i would suggest you quit trying to run wvo through this truck if you do not want to do a lot of very expensive damage

Posted on Apr 29, 2009

gh20s
  • 343 Answers

SOURCE: The oil pressure gauge in my 2002 Duramax Diesel

That is normal. As you accelerate and rpm's increase the oil pump rpm increases. I think the oil pump runs 1 to 1 or 2 to 1 with the crankshaft rpm. Check the oil and inspect for any visual leaks if the gauge does not operate like that consistently. If it is intermittent or it just started acting that way, the sender my be bad. Other than that any Chevy Dealer will say that is normal.

Posted on Jun 01, 2010

  • 18 Answers

SOURCE: Problem with a 2006 GMC 3500 duramax. Under heavy

could be some bad injectors...does it smoke real bad?

Posted on Sep 24, 2011

  • 5368 Answers

SOURCE: low fuel rail pressure

It could be a poor performing pump, a pump filter sock that is partially clogged, or a bad pressure regulator. Have the fuel system pressure checked to see if it's the pump or the pressure regulator.

Posted on Mar 03, 2012

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Trouble code p1093 2003 duramax


P1093: Fuel pressure low during power enhancement

Check the oil and see if it smells like diesel. Sounds like an injector stuck open.
The LB7 trucks have injector warranty extended to 200k, so I would think about calling the dealer.

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COULD BE INSUFFICIENT PRESSURE DUE TO FUEL PUMP OR MAYBE A RESTRICTED FUEL FILTER UNDER THE DRIVER'S DOOR ON THE INSIDE OF THE CHASSIS RAIL. TRY THE LEAST EXPENSIVE FIRST(FILTER). DON'T RULE OUT CONTAMINATED FUEL. YOU CAN TAKE A SAMPLE AT THE FILTER WITH A DRAIN PAN. I HOPE THIS HELPS. THANKS FOR USING FIX-YA AND FOR AN HONEST RATING. PLEASE LET ME KNOW. GOOD LUCK

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Low fuel rail pressure


who did a conversion on this truck???? the duramax is a common rail engine and can not handle wvo or sve. it will destroy your entire fuel system in no time on this truck. if you want to do a vo conversion you need to get a diesel with an inline injection pump or one of the older powerstrokes. i would suggest you quit trying to run wvo through this truck if you do not want to do a lot of very expensive damage

Apr 27, 2009 | 2003 Chevrolet Silverado 2500HD

1 Answer

Low fuel rail pressure


Check your " FUEL FILTER " for clogging. Work backwards toward the fuel supply tank, Hope this helps.

Apr 27, 2009 | 2001 Jeep Grand Cherokee

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Chevrolet 2500 Not Running, May Be Fuel Filter Sensor


if it dont have good compression it will not start check the comp and make sure there no water in oil if fuel pressure is low it will not pop the injector open try some starting fluid

Dec 18, 2008 | 2001 Chevrolet Silverado 2500HD

5 Answers

CHEVY SILVERADO 2500HD DURAMAX DIESEL


DTC P1093
Fuel Rail Pressure Low During Power Enrichment



The engine control module (ECM) uses the fuel rail pressure (FRP) sensor to determine fuel pressure to the fuel injectors. This is then compared to the calculated target fuel pressure as determined by the ECM. The ECM adjusts the FRP by modulating the duty cycle of the control driver of the fuel pressure regulator. Injector pulse duration is determined by the measured rail pressure and the target injection fuel into each cylinder. If a sensor circuit malfunction is detected, or the commanded fuel injection pump flow is not within the proper range for a given engine load and speed, DTCs will be set.

DTC U1000 and U1255 Circuit Description Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the identification number of the module which sent the message for State of Health monitoring. A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. When a module does not associate an identification number with at least one critical parameter within about five seconds of beginning serial data communication, DTC U1000 or U1255 is set. When more than one critical parameter does not have an identification number associated with it, the DTC will only be reported once. The class 2 serial data line on this vehicle is a ring/star configuration. The following modules communicate on the class 2 serial data line:
• The body control module (BCM) • The digital radio reciever • The driver door module (DDM) • The electronic brake control module (EBCM) • The front passenger door module (FPDM) • The HVAC control module • The inflatable restraint sensing and diagnostic module (SDM) • The instrument panel cluster (IPC) • The memory seat module (MSM) • The powertrain control module (PCM) • The radio • The radio amplifier • The rear seat audio (RSA) controller • The rear seat entertainment (RSE) assembly w/U42 • The rear wheel steering control module • The remote playback device-CD player w/U1S • The transfer case shift control module • The transmission control module (TCM) w/Allison transmission • The theft deterrent control module • The vehicle communication interface module (VCIM) w/UE1

Jul 12, 2008 | 2003 Chevrolet Silverado 2500HD

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