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Z
zdangerh
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From
Chicago, IL
Joined
Mar 15, 2025
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Tuesday at 9:45 PM
Messages
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Z
zdangerh
replied to the thread
C3500 7.4 vortec weird idle problem
.
Problem solved? The screw which limits the throttle plate had been screwed all the way in, forcing it to idle higher. I loosened it up a...
Apr 3, 2025
Z
zdangerh
replied to the thread
C3500 7.4 vortec weird idle problem
.
Thanks for the response. I went and plugged in my OBD II software I use for work. In the limited time I had today I saw that when the...
Mar 29, 2025
Z
zdangerh
replied to the thread
C3500 7.4 vortec weird idle problem
.
Bumping this thread to see if anyone has input they could share.
Mar 28, 2025
Z
zdangerh
replied to the thread
C3500 7.4 vortec weird idle problem
.
Don't worry about it. I wouldn't have asked if I thought it'd be easy. LOL
Mar 24, 2025
Z
zdangerh
replied to the thread
C3500 7.4 vortec weird idle problem
.
If I stop the truck after driving, shut it off, and then start it again, it will idle normally.
Mar 24, 2025
Z
zdangerh
replied to the thread
C3500 7.4 vortec weird idle problem
.
I had planned to check the manifold for vacuum leaks as I know that's a common failure point. It's just weird that it is only after...
Mar 24, 2025
Z
zdangerh
posted the thread
C3500 7.4 vortec weird idle problem
in
Engine Performance + Maintenance
.
I have a 2000 c3500 with the 7.4 vortec engine. The issue I'm having is a little weird but I'll try to explain. If I start the truck and...
Mar 24, 2025
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