I started the the truck and it runs fine, but will only start with starting fluid and when I turn the truck off it wont re-start it just spins over. It feels like an old Ford 7.3 I used to have that the glow plugs were gone, but this truck dosnt have glow plugs. And when I take off the programmer the truck feels really slow but not missing or anything sure acceleerates slow. Anybody have any suggestions on what the problem could be? The truck is a 2003 Dodge 2500 HO. It has no codes or check engine lights either. Thanks

 

first off stop starting it with starting fluid because if the grid heater was to kick on it will blow that intake off of it and it sounds like the injectors are bleeding off and need to be sent to don and be rebuild or replace you need to have them check to see if they are bypassing to much fuel and keeping it from building enough pressure to start. i have had this same problem

danny

 

Please stop with the ether, it is not only dangerous, but generally not healthy for a lot of other engine components.

It has to have codes (somewhere), are you using a scanner?

 

I only used stating fluid once to get the truck home, I am using a scanner and using the truck odometer to check the codes and nothing. How much would it cost to get a set of injectors re-built? I know they are like 350.00 each for reman ones. thanks

 

Check and clean the COV. That helps alot of trucks. It could be the FCA but I bet you need injectors. Do a search you'll find a ton of info on 03 not starting without starting fluid. Your dealer can help ya figure out the injectors.
Good luck,
Topper

 

to get your injectors rebuilt its like $100-$150 an injector..

 

Thats the same thing that happened to my 05, I would shut it off and it would not start and when it did start it would run like poop and smoke white. It ended up being 5 and 6 under warrenty!!

 

Any codes? First check fuel suppy to High pressure pump. 590mL in 10 seconds. If thats ok check high pressure pump output. Disconnect FCA and high pressure line to rail attach suitable hose and run to graduated container crank engine for three 10 seconds intervals. Allow starter to cool between cranking intervals. Is output volumn greater then 70mL? If not replace high pressure pump. Good Luck

 

I had the same problem with no codes either. Turned out the injectors were bad and got new ones. Problem solved

 

I just replaced the injectors like 15,000 miles ago, The truck runs fine once started just feels a little sluggish but I am used to the programmer being on the truck. I will try to replace the FCA and try to find a graduated container and try to measure the CP3 pump output. I have 18 PSI of fuel going into the CP3 pump. Thaknks

 

What is the COV?

 

I do not know if this is pertanent to a Dodge/Cummins but I had the same issue on my 99 1/2 Ford super duty and my problem was the batteries although capable of turning the motor over it did not have high enough voltage to start the fuel pump. If it was less than 12.3 volts the fuel pump would not turn on. Changed the batteries and ran perfect.
Sorry if this does not apply, but when I am searching for a problem all information is welcome.

 

Look at your engine from the driver's side - the pipe with the individual tubes running to the injectors is the fuel rail (common rail). Near the center is what looks like a section of 1/2 inch pipe that rises vertically, with a banjo bolt and tube at the top, which tube runs back to the fuel filter cannister and to the fuel return (back to the tank).

Mine went out earlier this year, with the same symptom and solution you've described. The thing starts to leak, so the CP3 can't get the pressure up high enough at cranking RPMs to reach firing pressure. The ether get's you over that hump. The sluggishness is because that extra fuel being pulled through the lift pump and filter is straining them to the limit if you're loading the engine much, pressure drops, possibly enough to reduce cooling for the CP3 and starve it (with corresponding poor regulation of rail pressure). Lastly, that hot fuel going back to the tank doesn't help either, so you'll probably find that anything less than 1/2 tank heats up the tank/lines/LP/etc pretty quickly (which drops feed pressure even more).

On mine, I could actually hear the 'squirting' noise from the engine at an idle as the COV released the fuel back into the return line (hard to hear, but discernable). It'll keep getting worse.

I'm driving on a loaner (COV). Ordering a replacement, I discovered that the whole rail/COV/pressure switch costs about $320 from Cummins, but the COV alone costs $480!!! Even the parts guy at Cummins was blown away by that one. If you need to buy one... 'nuf said there?

Oh, and, the fellow at the parts counter also asked if I used a bully dog performance module, as 'everyone' who has ordered the COV from him had one of those. He attributed the COV failure to increased rail pressure from the performance boxes. BTW, I've no box... and at the time was bone stock except for the ROKK crank sensor.

FWIW,

Mark

 

I finally got a check engine light and these are the codes:Injection pump fuel valve feedback and fuel rail pressure too high. Does anybody know what casued these?

 

Unfortunately the above info isn't completely accurate. The part you are reffering to is the fuel rail pressure limiting valve.Although It wouldn't hurt to also check the rail valve as well.

Info about the COV Quoted from the service manual: