Diesel EFI

[Programmer]

Did the shop perform the TDC relearn, set timing properly, etc ??? There's
an offset that must be learned,
otherwise the entire timing curve is incorrect--especially
the start up timing. If they failed to check the glow plug
circuit--I'd find another shop <g>.
Lyndon

----- Original Message -----
From: <sapearso at collins.rockwell.com>
To: <gmecm at diy-efi.org>
Sent: Thursday, November 16, 2000 1:15 AM
Subject: Diesel EFI


>
> 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 at collins.rockwell.com
>
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