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Tyler Townsley · 12-16-2013

OK lets throw in a ringer. in a lt-5 the spark and fuel is controlled by the dis module until about 400 rpm where it is passed to the ecm. I once had a dis module that was fine until about 400 rpm then it fell apart. Took me 2 years to find out that they make a dis checker. As soon as I used it I could see it falling apart on a handheld scope and I replaced the dis module.

Tyler

12-16-2013	#89
Tyler Townsley Join Date: May 2005 Location: Nichols, FL Posts: 611	Re: 1990 Throttle hesistation OK lets throw in a ringer. in a lt-5 the spark and fuel is controlled by the dis module until about 400 rpm where it is passed to the ecm. I once had a dis module that was fine until about 400 rpm then it fell apart. Took me 2 years to find out that they make a dis checker. As soon as I used it I could see it falling apart on a handheld scope and I replaced the dis module. Tyler