Question about 2004 Dodge Ram 3500 Truck

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5.9 cummins no start has fuel pressure

I have a 2004 5.9 cummins no start it has 5800 psi fuel pressure and 70 volt trigger at the injector harness . No fault codes

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6ya6ya
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Posted on Jan 02, 2017

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csmock132
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SOURCE: dodge cummins won't start, fuel reaching injector pump but no fuel coming out of injector pump.

You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

Posted on May 05, 2009

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  • 37 Answers

SOURCE: number one injector bank on 2006 dodge cummins

you'll notice on your valve cover gasket there is two connectors.. the one up front is your 1-3 the one in the rear is your 4-6... you can remove your valve cover and check the connections from the injector connectors to the
connectors on the valve cover.. check for an open.. however you could also have a fault internally in 1 of your injectors in that bank as well.. hope this info helped..

Posted on Feb 03, 2010

Smlslikdsl
  • 12 Answers

SOURCE: 1999 dodge ram 2500 5.9 cummins diesel

Check the fuel pressure at the filter. Odds are the lift pump, located below the filter, is toast. Continual cranking of the motor with a bad LP wil cause the injector pump to heat up and burn out. Replace the LP and fuel filter. Bleed the system by cracking the inlet to the injector pump and bumping the enigine over so the LP will run. Once you have fuel at the injector pump, crack injectors 1,3,and 4. Crank the motor for no more 6 or 7 seconds at a time until it turns over. Give the pump time to cool for a couple of mintues between cranks. This process is easier with two people, one to crank and the other to watch for fuel and tighten the injectors once it starts. If the injector pump is fried at this point from cranking with no fuel, the motor should idle, but will stumble all over itself when the throttle is applied.

-Brandon

Posted on Jan 31, 2009

  • 1 Answer

SOURCE: 99 dodge 2500 5.9 cummins fuel pressure at 3psi

The 3 psi is caused by a failed transfer pump. The problem the loss of could be the VP44 injection pump. This pump should be run at min 7psi. I had the same fuel pressure problem. I replaced my stock transfer pump with a FASS DDRP from www.usdieselparts.com. The stock pump is over $200 to replace and will fail again, sometimes right out of the box. The DDRP will supply about 15psi to the pump and is simple to install. I hope this helps.

Posted on May 10, 2009

  • 99 Answers

SOURCE: 1999 DODGE CUMMINS SHUT DOWN FAULT CODES p1689, P1688

P-1689 NO COMMUNICATION BETWEEN ECM & INJECTION
PUMP MODULE

Posted on Jul 21, 2009

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What sh0uld fuel press be 99 ford ranger 2.5 4 cyl ?


45 minimum to 65 maximum depending on the injector system
most fuel injector systems operate around the 55 psi mark

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Sounds like a bad fuel pump to me.Or dirty fuel lines/injectors/regulator.

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Changed computor wont start


FIRST CHECK YOUR FUEL PUMP TO ENSURE IT IS WORKING PROPERLY, THEN DO A FUEL PRESSURE TEST. AN AVERAGE READING WILL READ BETWEEN 15 AND 30 LBS. THEN YOU NEED TO BE MORE SPECIFIC IS IT GAS OR DIESEL IF IT IS A DIESEL THEN YOU NEED TO LOOK INTO INJECTOR PRESSURE THE AVERAGE CUMMINS COMMON RAIL PRESSURE AVERAGES AROUND 5,000 TO 8,000 PSI ANYTHING LESS THAN 5,000 PSI THE TRUCK WILL NOT START OR WILL BE HARD TO START.

May 20, 2012 | 1999 Dodge Ram

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I have a 2000 f250 5.4 it will turn over but not start.i have power coming from battery checked senors 5 an 7 are the ones that ive found to be the promblem i have only 18 pounds of fuel pressure fuel pump...


i got new pcm to ???? Was it programmed ? Dealer ! checked senors 5 an 7 are the ones that ive found to be the promblem ?????????? What are sensors 5 & 7 ? 2000 PCED On Board Diagnostics II SECTION 5: Pinpoint Tests Procedure revision date: 01/07/2003 A: No Start A: Introduction A1 CHECK PASSIVE ANTI-THEFT SYSTEM (SECURILOCK)
    Note: This vehicle may have an anti-theft system, which may be activated, causing the no start condition. Verify by viewing anti-theft indicator light on instrument panel or a Diagnostic Trouble Code (DTC P1260) may be present.
  • Verify anti-theft system.
Is the system activated?
Yes No REFER to Electrical Anti-Theft, Section 419-01 in the Workshop Manual for diagnosis and testing. GO to A2 . A2 ATTEMPT TO CRANK ENGINE
    NOTE: Verify inertia fuel shutoff (IFS) switch is set (button pushed in). Refer to Owner Guide for location. Does engine crank?
    Yes No GO to A3 . REFER to the Starting Systems, Section 303-06 in the Workshop Manual. A3 IDENTIFY TYPE OF NO START
      NOTE: The purpose of this Test Step is to identify intermittent No Starts in order to guide the technician to the proper repair procedure. Does the vehicle start now?
      Yes No Vehicle is an intermittent No Start. GO to Z2 . Natural gas vehicles:

      KEY OFF. GO to HA47 .

      All others:

      KEY OFF. GO to A4 . A4 CHECK VREF VOLTAGE TO THROTTLE POSITION (TP) SENSOR
      • Disconnect TP sensor.
      • Key on, engine off.
      • Measure voltage between VREF and SIG RTN circuit at the TP sensor harness connector. GO to Pinpoint Test DH to refer to the schematic.
      Is voltage between 4.0 and 6.0 volts?
      Yes No KEY OFF. RECONNECT TP sensor. GO to A5 . KEY OFF. GO to C1 . A5 CHECK FEPS CIRCUIT FOR SHORT TO POWER IN HARNESS
      • Key on, engine off.
      • Measure voltage between Pin 13 at the data link connector and battery negative post.
      • (Refer to the Wiring Diagrams for connector location.)
      Is voltage greater than 9.0 volts?
      Yes No REPAIR short to power. For coil-on-plug vehicles:

      KEY OFF. GO to A17 .

      All others:

      KEY OFF. GO to A6 . A6 CHECK PIP IN THE PCM
        Note: The scan tool must be connected to a reliable power source that is powered with the key in the START position (such as directly to the vehicle battery). Also verify that the vehicle battery is fully charged.
      • Access PIP PID.
      • While viewing the PIP PID, crank engine.
      Is the PIP PID switching on and off?
      Yes No KEY OFF.

      For 2L engines : GO to JD1 .

      For all others : GO to JB1 .

      If OK: Natural Gas Vehicles : GO to A9 .

      If returning from another pinpoint test or all others:

      GO to A7 . KEY OFF. GO to JD1 . A7 CHECK FUEL PRESSURE
        WARNING: BEFORE SERVICING OR REPLACING ANY COMPONENTS IN THE FUEL SYSTEM, REDUCE THE POSSIBILITY OF INJURY OR FIRE BY FOLLOWING DIRECTIONS IN PINPOINT TEST HC WARNING, CAUTION, AND HANDLING.
      • Release the fuel pressure.
      • Install fuel pressure tester.
      • Scan Tool connected.
      • Key on, engine off.
      • Enter Output Test Mode (refer to Section 2 ) and run the fuel pump to obtain maximum fuel pressure.
      Is fuel pressure at the specified pressure (use the fuel pressure chart in Pinpoint Test HC)?
      Yes No GO to A8 . KEY OFF. GO to HC1 . A8 CHECK FUEL PRESSURE LEAKDOWN
      • GO to Pinpoint Test HC and observe WARNING, CAUTION AND HANDLING.
      • Fuel pressure tester installed.
      • Scan Tool connected.
      • Key on, engine off.
      • Access Output Test Mode and run fuel pump to obtain maximum fuel pressure.
      • Exit Output Test Mode.
      • Verify fuel pressure remains within 34 kPa (5 psi) of the maximum pressure for 1 minute after turning pump off.
      Does fuel pressure remain within 34 kPa (5 psi)?
      Yes No KEY OFF. GO to A9 . KEY OFF. GO to HC1 . A9 CHECK FUEL INJECTORS FOR VPWR
        Note: Check at least two fuel injectors, one on each bank. A no start condition can exist only if greater than 50% of the fuel injectors are without VPWR.
      • Disconnect any two fuel injectors.
      • Key on.
      • Measure VPWR circuit voltage at fuel injector harness connector.
      Is voltage greater than 10.5 volts?
      Yes No Natural Gas Vehicles:

      GO to A15 .

      KEY OFF. GO to A10 . REPAIR VPWR circuit. A10 CHECK FUEL INJECTORS ABILITY TO DELIVER FUEL
      • Connect fuel pressure gauge to Schrader valve.
      • Cycle key several times.
      • Locate and disconnect the inertia fuel shutoff (IFS) switch.
      • Monitor pressure gauge while cranking the engine for at least five seconds.
      Is there a pressure drop greater than 34 kPa (5 psi) while cranking the engine?
      Yes No The electronic engine control system is not the cause of the no start. RETURN to Section 3 , Symptom Chart for further diagnosis. REPLACE PCM (refer to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM) ). A15 CHECK FUEL PRESSURE ON NATURAL GAS VEHICLES
      • Connect scan tool to DLC.
      • Access FRP PID (fuel pressure).
      • Record fuel pressure.
      • Connect fuel pressure gauge to Schrader valve.
      • Key on, engine off.
      • Record fuel pressure.
      Is fuel pressure between 552 and 827 kPa (80 and 120 psi) on the Scan Tool and fuel pressure gauge?
      Yes No KEY OFF. GO to A16 . KEY OFF. GO to Fuel Systems, GO to HB1 . A16 CHECK INJECTOR SIGNAL FROM NGV MODULE
        Note: This test requires a standard 12 volt test lamp. A properly operating system will show a dim glow.
      • Connect test lamp between the injector signal circuit and VPWR circuit pin at the injector harness.
      • Crank engine.
      Does test lamp have a dim glow while cranking?
      Yes No REPLACE PCM (refer to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM) ). GO to A6 . No light or continuously bright light.GO to HA47 . A17 CHECK PCM DRIVER TO COILS
      • Connect incandescent test lamp between B+ and each coil driver circuit at the harness connector.
      • Crank engine.
      Does lamp blink consistently and brightly (one blink per engine revolution)?
      Yes No KEY OFF. GO to A7 . KEY OFF. GO to JD1 .

Jun 04, 2017 | 2001 Ford F250 Super Duty Super Cab

1 Answer

2006 dodge mega cab 4x4 cummins w/6sp started fine this morning and now it will not start about 2 years ago the same thing happened and had to reprogram something, it had something to do with the starter...


Your truck needs to be hooked up to a scan tool so the common rail fuel pressure can be checked.
Have you checked to see if your fuel lift punp is operating to transfer fuel from your tank to the high pressure CP3 fuel pump?
Could possibly be the FCA (fuel control actuator) located on the back of the CP3 pump. It controls the fuel pressure in the high pressure fuel system.

Bad Injectors are also a known cause for no start on these trucks.

WARNING!!!!!!!!!!!!!!!!!!
Do not unhook any fuel injection lines from the CP3 or Fuel rail or Injector cross over tubes while cranking or running as this fuel pressure varie from 4000 psi to 23000 psi when running.

Jan 23, 2011 | 2006 Dodge Ram 3500 Truck

1 Answer

Engine wont crank without prime has good fuel pressure and a new injector spider


This vehicle needs 65 to 70 psi fuel pressure.to start cold, it will run with 55 after priming

Oct 15, 2010 | 1996 Chevrolet Blazer

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2001 dodge 5.9 diesel Cranks for 20 to 30 sec to start in morning


You have fuel runback.Replace the injector leak off pipes then try.If this does not work then have a non return valve fitted to your fuel supply pipe close as possible to the punp.Hope that was helpfull good luck.

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1 Answer

Chevy s10 will not start


Make sure the fuel pressure is to spec (65-70)psi
These V-6 engines had problems with the fuel injection poppets.They would gum-up and cause a hard-no start problem.check with your local dealer,some injectors had extended warranty period,because of the problem.if you spray alittle carb spray in the intake,does it start?

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1 Answer

A final addendum to the 1996 dodge dakota...


Here's the procedure for checking the fuel pump. I would 1st change the fuel filter, 2nd would be to scan for engine codes (free service at most parts stores), then check pressure (on a cool day, below 70 degrees) Good luck, let me know what u find. Curt
FUEL DELIVERY 1996 Dodge Truck Dakota 2WD 2.5L SFI 4cyl The Fuel System Pressure 44-54 PSI (Pounds per Square Inch)

Vent the fuel tank vapors by loosening the fuel cap and unplug the injector wiring harness from the main engine wiring harness. The next step is to attach an electrical jumper between a solid ground and the fuel injector terminal pin number 1. Next, connect an electrical jumper between the battery positive post and injector terminal pin number 2 for a period of time not to exceed 4 seconds. This serves to bleed down pressure from the fuel system. Install a fuel pressure gauge on the fuel rail service test port and energize the fuel pump. This will bring the system to a stabilized fuel pressure that can be visually verified on the gauge.

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