daveypantele
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Okay so heres the time line....
Driving a (stock) 2002 Chevy Tahoe Z71 Flexfuel
A couple weeks ago I had a code and when scanned I got p0463 (Fuel Level Sensor "A" Circuit High). Let it be noted that my fuel level gauge has never worked properly. I just fill up every 250 miles to be safe.
I had the code cleared and a few days later I drove about an hour down the freeway and everything was fine, traffic was great. When I exchanged freeways, I had to come to a dead stop. Upon attempting to accelerate again, my truck didn't want to move. It was almost like driving a standard and trying to take off in 3rd or 4th gear. After a few seconds, she took off and this became an intermittent issue over the next few days, usually temporarily resolved by doing a reset via the negative cable. When it threw a light again, I scanned it and about 10 different codes showed up. Everything from a bad brake light switch to the same p0463. Others included...
p0171 (System too Lean Bank 1)
u1000 (Critical Operating Parameter)
p0200 (Injector Circuit/Open)
I don't remember the others, but since a few seemed bogus, such as the brake light switch and ABS, I just reset the computer and everything seemed fine after that. I went ahead and replaced the fuel filter, and the acceleration issue I had went away.
I kept getting a lean code so I fixed the exhaust leak I had at the manifold/Y pipe flange on bank 1 driver side. But! And here's where my real problem is.
On my way to the muffler shop two days ago, my truck would not shift beyond 2nd gear, even manually. The code read p0757 (Shift Solenoid B Stock On). I got the exhaust fixed and came home. Yesterday I got another code for Throttle Position Sensor Low Voltage (which is only a month old). I unplugged it and plugged it back in, idle dropped to normal (approx 600) from 1,000 rpms and code went away. Today I replaced both of the solenoids, new filter and fluid, and still no shifting out of 2nd. Its like its in limp mode. I haven't driven enough to find any more codes.
Any ideas!?
Driving a (stock) 2002 Chevy Tahoe Z71 Flexfuel
A couple weeks ago I had a code and when scanned I got p0463 (Fuel Level Sensor "A" Circuit High). Let it be noted that my fuel level gauge has never worked properly. I just fill up every 250 miles to be safe.
I had the code cleared and a few days later I drove about an hour down the freeway and everything was fine, traffic was great. When I exchanged freeways, I had to come to a dead stop. Upon attempting to accelerate again, my truck didn't want to move. It was almost like driving a standard and trying to take off in 3rd or 4th gear. After a few seconds, she took off and this became an intermittent issue over the next few days, usually temporarily resolved by doing a reset via the negative cable. When it threw a light again, I scanned it and about 10 different codes showed up. Everything from a bad brake light switch to the same p0463. Others included...
p0171 (System too Lean Bank 1)
u1000 (Critical Operating Parameter)
p0200 (Injector Circuit/Open)
I don't remember the others, but since a few seemed bogus, such as the brake light switch and ABS, I just reset the computer and everything seemed fine after that. I went ahead and replaced the fuel filter, and the acceleration issue I had went away.
I kept getting a lean code so I fixed the exhaust leak I had at the manifold/Y pipe flange on bank 1 driver side. But! And here's where my real problem is.
On my way to the muffler shop two days ago, my truck would not shift beyond 2nd gear, even manually. The code read p0757 (Shift Solenoid B Stock On). I got the exhaust fixed and came home. Yesterday I got another code for Throttle Position Sensor Low Voltage (which is only a month old). I unplugged it and plugged it back in, idle dropped to normal (approx 600) from 1,000 rpms and code went away. Today I replaced both of the solenoids, new filter and fluid, and still no shifting out of 2nd. Its like its in limp mode. I haven't driven enough to find any more codes.
Any ideas!?
