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Showing results for tags '4.8l'.
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Ok, so I want to replace my bcm because it's been messing with my electricals. The door chimes have been coming on randomly and i have dash lights and headlights on after key is off. I am pretty sure it's the bcm. Would it be ok if I were to swap a used one? I know it has to be flashed. What kind of things would I need to look for in a used one? Does the colored block on the part matter?
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- 2003 sierra
- 4.8l
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got a question for anyone thats on the forum and has some motor knowledge? I have a 2008 silverado with a ly2 ironblock,799heads,factory truck intake,cai,Mike norris motorsports dyno tune (hes locall to me),longtube,and 3" pro series flowmasters dumped. truck runs awesome for what it is. tunes been on the truck for a little over a year and ive started getting white smoke on a hot start after running the dog ****** out of it a slight hesitation on the start but nothing concerning except the smoke its got a oil smell to it not a sweet coolant smell and my coolant reservoir is full and doesn't lose coolant . cold start no smoke. putting a cam in this fall/winter and didn't know if oil is blowing by the rings meaning the rings are shot or if the head is bad or gasket idk trying to prepare myself for the worst.
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- startup
- whitesmoke
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