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i have a 91 gmc sonnia and it will run all day but ...

Sent to Car Experts February 25, 2006 3:15 p.m.

i have a 91 gmc sonnia and it will run all day but when i drive off with it some time it buck and jump and some times it will cut off. also it looks like when i make a right turn it will cut off. i had a fuil pump put on and it humming now but it still do the same thing before i put the pump on please help gary

Optional Information:
1991 GMC sonnioa 4.2 6 cilder

Already Tried:
fuel pump and fuel filter

Customer (name blocked for privacy)

Status: Closed Value: $9

Info Request
February 26, 2006 10:18 a.m. (19 hours and 3 minutes later)

Has anything besides a fuel pump been done to the truck?

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