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Axledragger's avatar
Axledragger
Explorer
Jan 04, 2017

Diesel engine hard to start. But runs great.HELP

I have an airstream motorhome with a Cummins diesel type C engine with only 45000 miles. I have never had a starting issue. Now It only has a problem at cold start (67 degrees) after that it starts ri...
Sam_Spade's avatar
Sam_Spade
Explorer
Jan 04, 2017
Bob Sue wrote:
I'm sorry if this sounds stupid,


Not stupid at all.

The fuel pressure needs to be checked before starting to see if it has leaked down. If an injector is leaking, there might be a couple of puffs of REALLY black smoke just before it fires up.

Running the starter continuously for 60 seconds, however, probably is NOT a good idea.

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