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Username Post: Chevy k2500 1989 6.2D dies when letting off accelerator fast
deeler
Newbie
Posts 1
01-19-20 11:27 AM - Post#2784664    

Chevy k2500 6.2D always starts perfectly and runs smooth at idle... problem is that it sometimes dies when letting off accelerator quickly.
It has a new electric pump and new filters. Dont think this is caused by air in diesel.

The car has not been driven for almost four years and given the diesel here i sweden I have added some 2stroke oil when fueling.

Any ideas to try?
rockfangd
"7th Year" Gold Supporting Member
Posts 2930
rockfangd
01-26-20 09:05 AM - Post#2785201    

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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