Re: Diesel EFI

[Matt S Bower <m.s.bower@cummins.com>]

Have you checked the glow plugs? It sounds like there not doing there
job.  There usually on a temp based timer with out any indication of
wether they are doing there job until you crank the engine.  Might check
to make sure they are heating.

sapearso@collins.rockwell.com wrote:
> 
> Have a bit of a strange one, see if anyone can help. I have a 94 Chevy
> truck with a 6.5 turbo diesel. It's having a cold start problem.  After
> cycling the glow plugs, you have to hold it about quarter to half throttle
> to get it to start, then it smokes alot (like can't see thru it alot).
> Here's what's been done recently: new electronic injection pump, new crank
> sensor, new timing chain & gears. The injectors were 'pop' tested while the
> engine was apart and checked good.
>   The first injection pump I put on was faulty. I took it to the dealer and
> they put the second one on. The first one not only had the cold start
> problem, but it also stumbled off idle, no matter how warm. This one runs
> great once it's started. The dealer told me that it was probably a crank
> sensor. Put the o'scope on it and it looks fine.
> 
> Any ideas???
> 
> Scott Pearson
> sapearso@collins.rockwell.com
> 
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