1990 gmc sub

label Other
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schedule 3 Days
account_balance_wallet $5

i have 1990 gmc sub the idile go up and down is that the idile sonsers

Oct 23rd, 2013
first of all im getting a code 44. i have changed the tb GASKET, removed the exhaust except the catalitic converter, cleaned the electric terminals and changed the O2 sensor. The truck will barley start and then dies after about 15 seconds uinlesss i spray starter fluid down the intake.. is this fuel pump , vac problem, fuel pump, or a combo of all three? It stsrted when i was going down the road and it stsrted to surge and i was able to nurse it back home by feathering the throttle. I thought bad gas, but addatives did nothing..any ideas?
Oct 23rd, 2013

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Oct 23rd, 2013
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Oct 23rd, 2013
Oct 20th, 2017
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