Hello, I looked 2008 GMC Sierra 1500 that I was interested in purchasing with the 5.3L V8 has 174,000 miles. Truck runs rough at idle, rpms are fluctuating. Check engine light is on with codes P0300 and P0301. Can’t troubleshoot the problem. Coils, spark plugs, spark plug wires, new O2 sensors, new catalytic converters. Guy says that rockers all move so it isn’t Active Fuel Management lifters and he says 150 psi of compression across all 8 cylinders. Truck was at dealership, dealership says problem with cylinder numbers 1 and 8 the P0301 explains problem with cylinder 1 but why isn’t code P0308 being thrown? What else could be the problem?
I know a lot of people are running black rims on white trucks and blacked out black trucks and color matching etc. I decided to go old school chrome (lux) look. I made this happen on the front end by swapping out my black front bumper skid shield with the denali chrome one. I also as some of you may know, whited out my badges with reflective vinyle (see profile pic) and decided on chrome rims, exception, these rims are powder coated and flashed for the exact same look as chrome except they clean up just like paint. soap and water and wax.
So this may not be for all but it takes me back a bit while still be modern.
By the way, to remove this and replace. off comes the under grill molding, the radiator shroud, the front grill, the front bumper, remove both bumper backing plates remove and replace skid plate. i followed these instructions...
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