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Warm motor starting issues

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Old Oct 1, 2012 | 02:17 PM
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From: New Brunswick, NJ
Warm motor starting issues

Hello everyone,
When I installed my DW fuel pump and ID 1000cc injectors I started getting hard starts only when the motor is warm. for example, when it's cold or when it's hot (turned off for less than 5 minutes) it starts right up. When it sits for 20+ min it takes 5-10 cranks to start up with me priming the fuel pump and giving gas.
I had the crank enrichment tuned to buschur's ID 1000 specs and that seemed to work for about 3 weeks, but now the issue is back again.
Any ideas??

leaky injectors wouldn't make sense because I would assume that would prolong the cold start as well.
I know the fuel pump is good because my tuner checked it, and checked fuel pressure upon start up, all was well.

Last edited by mct9891; Oct 2, 2012 at 04:45 AM.
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Old Oct 1, 2012 | 06:39 PM
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Cranking Enrichment IPW Adder table: Set 171 and 180 degrees to 0.
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Old Oct 2, 2012 | 04:43 AM
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Originally Posted by Golden
Cranking Enrichment IPW Adder table: Set 171 and 180 degrees to 0.
I'm pretty sure my tuner did this already. if it helps at all, this is what I was talking about when I referred to "buschur's specs"
-32/57
-18/40.2
-8/20.5
7/12
20/8
34/4
50/0
77/0
82/0
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Old Oct 4, 2012 | 09:37 AM
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Try undoing those settings then.
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Old Oct 4, 2012 | 03:19 PM
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Originally Posted by Golden
Try undoing those settings then.
why?
before these settings it was worse, these settings helped for a little while, now it's back to what it was doing.
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Old Oct 5, 2012 | 08:10 AM
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Then you have a bad injector or they are scaled completely wrong.

You can't go lower than 0. lol
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Old Oct 7, 2012 | 02:21 PM
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From: Gliese 581g
Ill ask my tuner because I had the same issue on my 9 I use to have. Ill see if I can get up with them tomorrow of the next couple days
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Old Oct 7, 2012 | 03:41 PM
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yes please do, thanks!
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