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Old 07-17-2023, 10:46 AM   #3
SDT1DYI
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Location: Indianola Washington
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Default Re: 2 step & pressure switch

Quote:
Originally Posted by littlemanjoe View Post
Has anyone ever had an issue with your 2 step not turning off clean during the launch?

I have developed a studder during the launch.

It shows the O2's going rich almost like it's a ignition thing.
Yes, a bad Pressure switch can cause this. I would change it out .

Steve Teeter. Stk/SS 620
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