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07-11-2012, 02:09 PM
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Registered User
Join Date: Jul 2009
Location: Northern California
Posts: 411
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stumble on 87 suburban,
Question, I have a 87 chevy suburban with the 350 and 700r4. there is a off idle stumble. i have 13 lbs of fuel pressure, the fuel filter has been swapped, I changed the plugs and wires, cap and rotor. I have removed the iac and completely cleaned the iac and the port. im stumped it does a off idle stumble acts like it has a cam in it. then it goes away the stumble only lasts for a second then goes away. Any insight would help.
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1991 Chevy suburban 3/4 ton 4x 4:56 and pulls great 1979 Chevy 1/2 ton long bed diesel 1974 Chevy crew cab short bed 3/4 ton 4x4 project 1991 Chevy suburban 2wd 1984 Chevy suburban 3/4 ton 4x 6.5 detroit with turbo 1961 Chevy pickup 1/2 ton 2wd 1975 gmc crew cab short bed 2wd |
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