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07-27-2011, 04:30 PM #1
- Join Date
- Oct 2010
Crank sensor out of time with cam sensor?
I picked up a misfire on my 2003 1500hd 6.0 when put under a light to moderate engine load mainly around 2500 rpm. Never got a engine code but with my live data scaner I was able to pick up #1 cylinder misfiring the most along with #5,#6, and #8 evey now and then. I took it to the gm dealer and they said that the crank sensor out of time with the cam sensor. The way I understand it all they did was reset the pcm. How does this happen? They could not give me a good answer. My friend has the same motor and year of truck and he has had the same issue. Sad part about it I change my spark plugs and wire again(only has 6000miles on them) and cost $150 and gm charged me $75 to reset the computer.
2003 Chevy 1500HD 4x4 6.0L Crew Cab
K&N Cold Air Intake
Power Aid Throttle Adapter
3" Leveling Kit
295/75R16 Nitro A/T Tires
Westin Nerf Bars
07-27-2011, 04:39 PM #2
What type of spark plugs did you install? Most on this site have found GM's run best with A/C Delco's. Some have found that non-A/C Delco plugs can cause misfires.:cool:
2005 Chevy Silverado Z71 Crew Cab
6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Rancho skid-plate.
17" x 9" M/T Classic Lock Wheels, 35" BFG A/T or M/T tires
4.10 PercisionGears w/factory locker, T/A Performance rear-end cover
Banks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat back exhaust, Diablo tuned
B&M aluminum deep transmission pan
Warn brush guard w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau cover
Weather Tech floor mats
Cover-Craft seat covers
Dash mat cover
Formula One window tint
One black Lab in rear seat.
07-30-2011, 10:02 AM #3
- Join Date
- Oct 2010
I always use acdelco spark plugs.
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