Quote:
Originally Posted by DRM500RUBYZR-1
Fuel starvation.
Tape pressure gauge to windshield and repeat what you did.
Marty
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Yup, a known C4 issue. Change the filter, then pull the fuel pumps and have a look at the socks (external filters on the pump inlets). Then make sure theres no water or gunk in the bottom of the tank where the pickup is. If the pumps have never been changed I would change them out while your in there. Their relatively cheap at RockAuto. Don’t bother with the high dollar pumps their not worth it.
H