2boys1truck
Newbie
I had a previous post talking about my truck going though distributors caps to recap that I had the same issue twice loss of power and missing. First time truck started shaking and loss power and eventually no start it was pretty clear that it was missing very bad so I did plugs, wires, and distributor. truck seemed to run better than ever. A few months go by same issue I replaced the cap and rotor this time not the dizzy as I put in one of the after market aluminum ones this fix the problem. so now another 6 months goes by and truck. I was on a 3 hour drive didn't notice anything at highway speeds but when I got off and came to a stop I noticed it was idling weird and was stumbling/ sluggish from a stop. Drives fine while costing or on and off the gas at cruising or highway speed. Off the line It shakes and has hesitation. I just assumed it was the same issue so I put a vented dizzy cap on suggested to me on my last post. This time it did not fix my problem so I'm dealing with a new issue. The truck didn't though any codes initially but after a longer test drive it gave me p0102 and p0122. so MAF and TPS it was shifting very weird on the test drive it had never done this before and I know my tranny is in good shape. I assuming maybe just coincidence but I put a new TPS on now truck shifts as it should. Still dealing with very choppy idle especially in gear and hesitation on acceleration from a stop
I've tried unplugging my front o2 and test driving no change
cleaned MAF and looked at live date with scan tool and the grams per sec seemed normal around 7 to 8 at idle and went up with throttle
rpms are from 530 to 600 in gear and 6 to 7 in park
also the stumble seems to get worse as the truck warms up
I find it odd that the TPS went out my first test drive after doing the cap and rotor but maybe just chance. The truck has not stalled or died on me but seems like it wants to at stops.
when I unplugged the 02 to test I only unplugged the front one above cat do I need to do both?
if my MAF looks good on live data can I rule that out and what else could that code be?
Any help is greatly appreciated I don't know to to check next!
I've tried unplugging my front o2 and test driving no change
cleaned MAF and looked at live date with scan tool and the grams per sec seemed normal around 7 to 8 at idle and went up with throttle
rpms are from 530 to 600 in gear and 6 to 7 in park
also the stumble seems to get worse as the truck warms up
I find it odd that the TPS went out my first test drive after doing the cap and rotor but maybe just chance. The truck has not stalled or died on me but seems like it wants to at stops.
when I unplugged the 02 to test I only unplugged the front one above cat do I need to do both?
if my MAF looks good on live data can I rule that out and what else could that code be?
Any help is greatly appreciated I don't know to to check next!