hard to start, wont start - Ford Powerstroke Diesel Forum

7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

 
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post #1 of 4 Old 06-27-2010, 01:53 PM Thread Starter
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hard to start, wont start

my 90 E-350 takes a long time of cranking to fire, or wont fire at all. and drains the batteries like crazy (6 cranks and there dead). and when its running the alt decides that if im going over 55 it doesnt want to charge. but anything below that it charges just fine... does anyone have any ideas of whats goin on??? i just replaced both batteries, tested the alt and its good.

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1990 Ford E-350, 7.3 IDI Non Turbo. Stock
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post #2 of 4 Old 06-27-2010, 08:12 PM
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How are your cables? When I replaced my cables it was night and day better starting.

More importantly you need to ensure you glow plugs and the glow plug relay is fuctioning. With summertime weather it shouldnt take too much to make an IDI start quickly. But with these rigs you definately need to check those two items often.

In terms of charging I am at a loss.....sounds weird.

Good Luck.

Thad


2003 F350 6.0 4x4 Crewcab Longbed SRW w/X Code Front Springs- 265/75R16's on it now. Still got the 285 retreads in the shed though.
Future modifications: Edge Insight CS, SCT X3 with Custom Tunes

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1994 F350 7.3 Banks Turbo IDI 4x4 Crewcab Longbed-Miss you old girl
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post #3 of 4 Old 06-27-2010, 08:40 PM Thread Starter
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cables are almost new, connection might be loose on one, havent checked that... might be the glow plugs, havent checked them...

thanks Thad!

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1990 Ford E-350, 7.3 IDI Non Turbo. Stock
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post #4 of 4 Old 06-28-2010, 08:14 AM
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How long do your glow plugs stay on? If its a second or two that signals a problem. Should be roughly from 7 to 10 seconds or so.

Thad


2003 F350 6.0 4x4 Crewcab Longbed SRW w/X Code Front Springs- 265/75R16's on it now. Still got the 285 retreads in the shed though.
Future modifications: Edge Insight CS, SCT X3 with Custom Tunes

-SOLD-
1994 F350 7.3 Banks Turbo IDI 4x4 Crewcab Longbed-Miss you old girl
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