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300 HP Cummins shuts down

Wolfganghd
Explorer
Explorer
2006 Damon Astoria, Freightliner chassis 300 HP Cummins, with 35000 miles on it been no problem . Last month when started it. idled for about 1 min then shut down did this couple time then stared ok and drove home stopping and starting it a few time. Sat in the yard for home for a week went to start it...just shut down and it is now doing it all the time now....will not idled more then a min then shut down, can't even drive to have service. ???
24 REPLIES 24

Tom_Barb
Explorer
Explorer
Can't be the lift pump, because the engine shuts down when the lift pump is turned off by the computer.

I'd change the engine fuel filter. first.

If that didn't fix it, I'd trouble shoot buy placing a temporary grounding strap from the ECM to a known good ground. If that fixes it, remove the ECM clean the mounting pads to provide a good ground.
2000 Newmar mountain aire 4081 DP, ISC/350 Allison 6 speed, Wrangler JL toad.

Wolfganghd
Explorer
Explorer
Ok thanks to all, live in small town do not have a truck here that could tow this size coach...ok will try and get someone to look at it...only have one fuel filter on this engine...will do the filter first.....

mci7
Explorer
Explorer
Choices, would be looking for loose wire connector, if still stumped, would prefer have the mechanic come to the coach, in the end better than towing it.
My opinion
Dave M
Dave M
Central Virginia
Had MCI Conversion 20+ yrs
Presently 2001 Foretravel w/ISM500
Usual Toad 2004 F150 Ford w/Can Am 800 Max

charlie_good_ti
Explorer
Explorer
Forgot to say transfer pump is located on same side as injection pump.If filter doesent help do as person said get towed or person experienced in servicing engine.Please let us know outcome.

charlie_good_ti
Explorer
Explorer
First replace the first filter! Cut it apart an if it is full of black guey stuff that is trouble.Black stuff is fuel bacteria.I would be reluctant to change final filter if you are not very familiar with system as it is of uppmost importance that no dirt enters filter .After filter change turn on key an go listen to transfer pump an it will click until enough fuel an pressure are available to start. Better yet fill filter with CLEAN fuel before you install. I replaced the fuel transfer pump on my 8.3 Commins an there cost i thinktook myself an my son 3 hrs .Dealer furnished pump an it was 300 dollars .If taken to dealer i think you would approach $iooo so do the filter thing first!!!

2oldman
Explorer II
Explorer II
Get it towed to your mechanic.
"If I'm wearing long pants, I'm too far north" - 2oldman

Wolfganghd
Explorer
Explorer
ok thanks fuel pump lift pump is one of the same ??
can't locate on the engine could be in the tank ??

ScottG
Nomad
Nomad
Lift pump. Get it checked or simply replace it before you damage the HPFP by starving it for fuel.

Wolfganghd
Explorer
Explorer
No default codes nothing said on the info center
when this happens

Tom_Barb
Explorer
Explorer
Wolfganghd wrote:
2006 Damon Astoria, Freightliner chassis 300 HP Cummins, with 35000 miles on it been no problem . Last month when started it. idled for about 1 min then shut down did this couple time then stared ok and drove home stopping and starting it a few time. Sat in the yard for home for a week went to start it just shut down and it is now doing it all the time now....will not idled more then a min then shut down, can't even drive to have service. ???


do you have a fault code?
2000 Newmar mountain aire 4081 DP, ISC/350 Allison 6 speed, Wrangler JL toad.