I am replacing the optical sensor on my 98- 6.5. There is what looks like a pointer on it & the bolthole is elongated. Is it adjustable & if so how do you do it?
I have been having drivability problems lately. Running rough at idle at stop lights. Today after exiting the highway it died at the end of the ramp. Got it refired,drove home w/check engine light on. It is pulling codes 251 & 370. Running very rough but running. #251-Injection pump metering...
Problem: Explain your problem in concise language (ie: Cranks but won’t fire). _It smokes black at the slightest increase in throttle. after driving & coming to a idle in gear it shakes like its missing.It also stutters when going up or down any size hill. The trans shifts in & out of overdrive...
My 98 GMC 3500 trans shifts in & out of O/D .Even though there is no change in the grade of the road or any other factors that would change the effect on the truck.
I have a 98 GMC 3500 will putting taller tires on it have any effect on the performance of the engine? I went from 225/75/16 to 265/75/16? Thanx in advance for your help.
I see this guy selling these little black 2-wire boxes on ebay that boast improved horse power & fuel economy. I checked his feedback & several people stated that it was just a resistor that can be purchased from Radio Shack. I had another guy tell me about putting a resistor on my Peterbilt to...