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b454rat · 10-28-2020, 03:58 PM

If the dizzy is off the check engine light will be on. My 98 Tahoe had the light on for timing, was off bout an 1/8 maybe 1/4" at the cap, buddy barely turned it and went off. It didn't make any difference power wise, but hate having the light on lol.

10-28-2020, 03:58 PM	#9
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,454	Re: 1999 Gmc Suburban no power after half throttle have to start vehicle with startin If the dizzy is off the check engine light will be on. My 98 Tahoe had the light on for timing, was off bout an 1/8 maybe 1/4" at the cap, buddy barely turned it and went off. It didn't make any difference power wise, but hate having the light on lol.