It's not the iac, changed mine and its the same. Also changed the MAS, MAP, Temp sensor, and fuel filter. Still runs rough on cold start ups but levels out when the truck hits running temp. Fuel pump?
Intake manif old gaskest
Chevrolet Silverado 2500HD
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Maintenance & Repair
it seems as though after driving long distances that the check engine light comes on. however, not when i'm doing short trips just around town. I would occasionally like to take the truck about a 4...
2005 Chevrolet Silverado 2500HD LS Crew Cab 4WD
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Maintenance & Repair
Can someone help me out on my 2005 chevy silverado 6.0 vortec engine wont start I have already replaced fuel pump crank sensor and fuel pump relay what would it be battery is good my truck just wo...
2005 Chevrolet Silverado 2500HD
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Maintenance & Repair
I have 03 Silverado HD. I'm having a hard time starting my truck in cold weather. When I start my truck it runs fine for around 4-5 minutes, than it starts missing and sometimes stalls. When I get the...
2003 Chevrolet Silverado 2500HD 4 Dr LT 4WD Crew Cab SB HD
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Maintenance & Repair
2000 chevy 2500hd 6.0 gas, when trying to start up I have to turn the key on without cranking 1st then turn it off, then turn it on and crank this time and my truck will start up. Fuel pump is running...
2002 Chevrolet Silverado 2500HD LT Crew Cab RWD
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Maintenance & Repair
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