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Username Post: Chevy k2500 1989 6.2D dies when letting off accelerator fast
"7th Year" Gold Supporting Member
Posts: 2870
Age: 34
Loc: Utica ny
Reg: 04-13-10
01-26-20 09:05 AM - Post#2785201    
    In response to deeler

This should be posted in the truck section. Would get more hits there.
The likely culprit is the injection pump.
That is a mechanical version.
How many miles on it?
Try purging the air and see if it goes away.
there should be a purge valve by the thermostat housing, Put a hose on it and put it in a bottle, run it for a few minutes and close the valve
Old School GM fan FOREVER

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