Thread: Won't idle
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Old 12-21-2021, 01:21 PM   #12
#Crush It
Join Date: Jul 2005
Location: Kansas City

Originally Posted by culberro View Post
Are you running a diode across + and - for the PWM valve? It reduces/removes the flyback voltage when the coil is de-energized.
(page 32)

And this, it adds a ton of stability. It was the only way I could get the big cam 5.slow to idle well and even idle along smoothly in gear.
I've seen conflicting things about the diode. I have some and can add it in.
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