Hard to start

Tiny
BROKEN_PROP
  • MEMBER
  • 7 POSTS
  • DODGE RAM
I have a 2000 dodge ram 1500 v8 5.9l 110,000 miles. I have a problem starting.I will crank for a few without it starting, then take the key out and try again and it usually fires right up sometimes not though. Anyone that could help please
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
BROKEN_PROP
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  • 7 POSTS
This is what I hate about this site. UNLESS you donate to the site you usually never get an answer to your question. Yeah this is a great site.
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
NORTHSHORE1
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Hi Joe,

Couldn't really perform that test you suggested. The line supplying the fuel rail won't crimp, (too rigid). The speed at which the fuel pressure drops when I turn the truck off is pointing me back to the pump and the regulator valve, unless you have any other suggestions. I'm not sure but I don't think an injector would bleed off that quickly.

Jlindeman
My truck isn't stalling. Although I have heard of some vehicles not liking the platinum plugs.

Thanks,
Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,816 POSTS
If you feel confident the rail isn't leaking, then I agree with you. I would start with the fuel filter and then the regulator. A bad check valve in the pump will leak down slower.

Let me know what you find.

Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
NORTHSHORE1
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  • 6 POSTS
The filter/regulator/check valve are all in one unit on top of the pump module. Since I'm going to drop the tank anyway, I'm going to change the pump module which will include the pump and the regulator. Don't want to drop it again. I'll let you know how that turns out, I'm planning to do it this weekend.

Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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I don't blame you for wanting to do it all in one time. They are not too much fun to remove and replace. Just try to run as much gas out of it as you can so the tank is lighter.

Hell, on the second generation Dakota, I was able to remove the bed (easier access) to access the pump in 20 minutes, as long as I had someone to help lift it off, but the full size don't go that fast. Let me know.

Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
DOGFIGHT1960
  • MEMBER
  • 1 POST
  • 1999 DODGE RAM
Engine Mechanical problem
1999 Dodge Ram 6 cyl Four Wheel Drive Manual

My 99 Dodge 2500 diesel has a trouble code of P0216(injection timing control circuit malfunctinon). What dous this mean to me.
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
NORTHSHORE1
  • MEMBER
  • 6 POSTS
Hey Joe, good news! The changing of the fuel pump module did the trick. The truck starts cold or hot like new on the first crank every time. I'm sure the pressure regulator / filter / check valve was the culprit, but changing the entire pump module was the only way to go. I'm now sure that the fuel in the rail was draining back to the tank evey time I shut the engine off, thereby creating the hard start condition. Thanks for all your help!

Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
I am not a diesel guy but I looked up the code for you hope that help

DTC P0216: FUEL INJECTION PUMP TIMING FAILURE (DIESEL)
NOTE:DTC P0216: FUEL INJECTION PUMP TIMING FAILURE is monitored with ignition on. DTC may be stored in Engine Control Module (ECM) when ECM senses engine speed more than 300 RPM, and fuel command and timing control within predetermined parameters. Possible causes are: defective fuel injection pump, fuel injection pump gear not properly aligned, restricted fuel filter, restricted transfer pump inlet line.

Turn ignition on, with engine off. Using scan tool, read DTCs. If DTC SPECIFIC GOOD TRIP COUNTER displayed count is "0", go to step 3). If DTC SPECIFIC GOOD TRIP COUNTER count is not "0", go to next step.

Ensure engine is on, with engine off. Using scan tool, read and record FREEZE FRAME data. Road test vehicle under conditions in FREEZE FRAME data. Using scan tool, read DTCs. If DTC SPECIFIC GOOD TRIP COUNTER displayed count changes to "0", go to next step. If DTC SPECIFIC GOOD TRIP COUNTER displayed count does not change to "0", test is complete.

Using scan tool, read CALIBRATION DTCs. If DTC P0336: CRANKSHAFT POSITION SENSOR SIGNAL, DTC P1287: FUEL INJ PUMP CONTROL SUPPLY VOLTAGE TOO LOW) or DTC P1690: FUEL INJECTION PUMP CKP SENSOR DOES NOT AGREE WITH ECM CKP is present, perform DTC P0336: CRANKSHAFT POSITION SENSOR SIGNAL, DTC P1287: FUEL INJ PUMP CONTROL SUPPLY VOLTAGE TOO LOW, or DTC P1690: FUEL INJECTION PUMP CKP SENSOR DOES NOT AGREE WITH ECM CKP test. If DTCs are not present, go to next step.

Ensure ignition is off. Check fuel injection pump gear for proper alignment. Align fuel injection pump gear as necessary. Perform TEST VER-5A (DIESEL). If fuel injection pump gear is properly aligned, go to next step.

Ensure ignition is off. Install fuel pressure Test Fittings (AVU1-2) to fuel filter/water separator inlet and outlet ports.
Install Fuel Pressure Gauge (6828) to test fitting at inlet port. Start engine and allow it to idle. Record fuel pressure. Fuel pressure should be 10 psi (.69 kg/cm2 ) or more. Turn ignition off. Remove fuel pressure gauge from inlet port, and install on outlet port. Start engine and allow it to idle. Record fuel pressure. Fuel pressure at outlet port should be no more than 5 psi (.35 kg/cm2 ) less than inlet port pressure. If fuel pressure is not as specified, replace fuel filter/water separator.
If fuel pressure is as specified, go to next step.

Turn ignition off. Check fuel transfer pump fuel supply line for restrictions.
Repair restriction in fuel supply line as necessary. Perform TEST VER-5A (DIESEL). If no restrictions exist, go to next step.
At this time, fuel injection pump is assumed to be defective. Replace fuel injection pump
good luck


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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi:
I'm sorry it took a few days to get back with you. I just got out of the hospital with one of the worst flus I ever had.

I'm glad it's fixed. And you're right, the fuel pressure was leaking back to the tank. If you have any questions in the future, let us know.

Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
SOLDIERSCUBA
  • MEMBER
  • 6 POSTS
  • 1999 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
Dodge Ram 5.9L Hard starting after truck sits a few hours, it does start but cranks about 4 seconds or more, once it starts I can shut it off and it will start perfectlly as long as it does not sit long. Used to start up right away everytime. Checked fuel pressure had 44 PSI, got good spark, changed crankshaft sensor, checked camshaft sensor (per Haynes book) it checks good. Could it be compression?
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
JACOBANDNICKOLAS
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With that mileage, I wouldn't think compression. Has the check engine light ever come on?
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
SOLDIERSCUBA
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No check engine light, gas mileage seems to be down too
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
JACOBANDNICKOLAS
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WHen you checked the fuel pressure, did the pressure drop off quickly when the key was off?
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
AABEL
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  • 1 POST
  • 1998 DODGE RAM
When I start my truck it will crank a long time before firing. It acts like it is flooded. Once it has started it runs good. This started a month ago and is getting worse. I have had the crank sensor replaced but that did not help.
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
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Check the actual fuel pressure this will tell you something what's going on within the fuel system.

Won't hurt to check the coolant temperature sensor and fuel pressure regulator/clogged return line
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
SOLDIERSCUBA
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Pressure stays at 44-45 when I shut the key off and holds there for quite awhile (still there 15 min later). I just checked it again when I turn the key on I get 44-45 PSI when I start the truck the fuel pressure goes to 48-50 PSI. Is that normal or should I be looking at the fuel pressure reg? (The Haynes book says spec is 35-45 PSI) but I cannot find anything about PSI with engine running.
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
JACOBANDNICKOLAS
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Hi:
Running the pressure should be between 44psi and 54psi. So, yours is perfect.

Ok. We have good spark, and now we know the fuel pressure is good. What else. Check the egr to make sure there are no vacuum leaks and the valve is operatring properly (not stuck and seating) Next check for vacuum leaks. Check around intake, look for broken or damaged hoses. Have you ever checked the catylatic converter to see if it is plugging? Even though the check engine light isn't on, have you tried to scan for codes?

Let me know.

Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
SOLDIERSCUBA
  • MEMBER
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Found my problem (kinda feel dumb) When I changed the crankshaft sensor because it would not start I changed the cap an rotor and it started but was still hard starting so I started looking for another problem as you have read above then got to thinkin I haven't checked the spark plugs (about 60,000 miles on them) so on the way home from work stopped an bought plugs got home pulled the 1st one and it was pretty worn.071 gap all the rest about the same between.070 -.075 changed them, now starts like new and got my gas mileage back. Thanks for your help even though it was something I should have checked first.
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)
Tiny
JACOBANDNICKOLAS
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We all miss something. Heck, when you said you had good spark, I assumed they were new, and we know what happens when we assume.

Take care, and if you have questions in the future, let us know.

Joe
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Saturday, August 31st, 2019 AT 10:30 AM (Merged)

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