Subject	You haven't necessarily eliminated a fueling issue.
Posted by	Evan_Wright (Ca) on August 20, 2013 at 7:06 PM
	This message has been viewed 209 times.
In Reply To	How can you tell if you have a "weak" spark? posted by Hydrus (Dallas) on August 20, 2013 at 01:31 PM
Message	Quite a few ecu's have had their injector drivers go bad which would cause the injector to not fire no matter how many times you swap it with others. Might want to try rigging up a 12volt led to the injector harness and see if it blinks as you turn the engine over.
Follow Ups	How can you tell if you have a "weak" spark? - Hydrus (Dallas) 13:31:19 08/20/13 Have you checked the spark plugs out? - -Grimm- 14:27:32 08/20/13 Yeah that was the first thing i did and had a visible spark - Hydrus (Dallas) 18:45:00 08/20/13 everytime I got no spark was a bad PTU or connection - Zvil (FL) 15:06:53 08/20/13 there is one rare exception - Zvil (FL) 15:09:50 08/20/13 how would i go about correcting the firing order? Ive alread - Hydrus (Dallas) 18:47:38 08/20/13 If I were you, I would first make sure there is continuity - Zvil (FL) 19:28:25 08/20/13 If your PTU subharness is crimp connected on - -Grimm- 09:57:22 08/21/13 when I say "crimp" I mean bend the tabs in the connector (n/m) - Zvil (FL) 11:01:10 08/21/13 Thanks ill be back with results! (n/m) - Hydrus (Dallas) 14:01:17 08/21/13 Is your PTU subharness still in place? - -Grimm- 09:42:26 08/23/13 how would i go about correcting the firing order? Ive alread - Hydrus (Dallas) 22:50:40 08/20/13 You haven't necessarily eliminated a fueling issue. - Evan_Wright (Ca) 19:06:46 08/20/13 I pulled the cas and spun it by hand and the injector - Hydrus (Dallas) 13:59:59 08/21/13 Probably not. You seem to be doing a good job narrowing - Evan_Wright (Ca) 14:24:14 08/21/13 I really appreciate man. Ill post any new updates (n/m) - Hydrus (Dallas) 16:14:35 08/21/13 Results: No change at all. cleaned and crimped down all - Hydrus (Dallas) 14:18:52 08/22/13 Have any friends in Dallas with a spare ECU to try? (n/m) - -Grimm- 09:39:41 08/23/13
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