01 silverado 1500 misfire
#11
sounds like you have a dead miss, flashing ses rich o2 signal. what makes you think that its driver side only? and is p0300 the only code you're getting other than the o2?
I would drive the vehicle as little as possible until its fixed unless you feel like replacing cats at the least
I would drive the vehicle as little as possible until its fixed unless you feel like replacing cats at the least
#13
CF Monarch
My code reader states which bank and which cylinder. If your code reader doesn't then take the truck to Autozone or someplace that checks codes for free.
#14
well without being able to see fuel trim data or anything else its hard to say but I'd guess you're having a fuel delivery problem to the drivers side bank
pretty tough to diagnose over a forum
pretty tough to diagnose over a forum
#16
CF Junior Member
Join Date: Nov 2009
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Did you have any issues before you installed new plugs? I've seen some motors not like some plugs and I've gotten mis-fires from brand new plugs...did you stick with OEM plugs?