CK5
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Do you have the cruise module that attaches next to the convenience center on brake pedal frame.
 
Pulled the trigger on the TMI dash and suburban door panels. They're nice so far I have to transfer the lock/window switches and I'm thinking goin low to keep the pleating clean.
New upper hinge and repinned the lower but that's more than likely getting replaced as the bronze bushings are still looseMade up a replacement mount for the dakota dash the plastic ones aren't very robustalso finished wiring the cruise control through a second brake switch as it's powered by the stalk on switch. I won't test that for a while as I'm more interested in getting the ecu to communicate and I really hope it runs correctly with the new ecu.
After all this build is to replace the need for buying an $80k new truck so why not right?

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so I fires it up after some volt tests. Idle till open loop. Still strange range issues with the pedal/tac module for 2003. It's smooth up to 5k if applied gradually but the pedal can't be stabbed. I think I'll have to find another 01tb and put the other tac module back in. As far as the run time, it was popping on the first lap around the block but by the time I was back in the driveway it was smooth. So I mau just need to drive/learn. Not happy yet
 
so I fires it up after some volt tests. Idle till open loop. Still strange range issues with the pedal/tac module for 2003. It's smooth up to 5k if applied gradually but the pedal can't be stabbed. I think I'll have to find another 01tb and put the other tac module back in. As far as the run time, it was popping on the first lap around the block but by the time I was back in the driveway it was smooth. So I mau just need to drive/learn. Not happy yet
While talking with a friend, he told me about having to do a fuel trim reset on his 8.1 / NV4500 truck after a problem.
:dunno:
 
What helped you make that determination?
Well I've done some reading and found that they can wear out and cause the issues I'm having. It appears to be original and has 199k on it. It's also one of three original sensors on the engine besides the MAP and cam sensor. It's worth a shot. But I really think this harness may still be built wrong. The check engine light still doesn't illuminate during starting and it hasn't since I've had to correct their o2 sensor mistake under their direction.
 
While talking with a friend, he told me about having to do a fuel trim reset on his 8.1 / NV4500 truck after a problem.
:dunno:
never heard of this can you find out more? I'm really out of options and beyond my skill level at this point. I'm ready to get a dart intake and carb and an msd box...
 
never heard of this can you find out more? I'm really out of options and beyond my skill level at this point. I'm ready to get a dart intake and carb and an msd box...
I will try to remember, but I know that he is gone hunting this week. I am fairly confident that he did it with his scanner, I believe that it was before he got HP tuner software.
 
We did a fuel trim reset after my exhaust was done. We didn't have the o2 sensors in and it got run for a little bit. It was in open loop without them, but it noticably cleaned up once we did it with the exhaust completed.
 
We did a fuel trim reset after my exhaust was done. We didn't have the o2 sensors in and it got run for a little bit. It was in open loop without them, but it noticably cleaned up once we did it with the exhaust completed.
I haven't done any tuning since the o2s, exhaust and whatever else I've done I wonder if I need to. The ecu is fresh from Howell however and I did let it idle to open loop before even touching the throttle.
 
I'd wait until you get the maf in and your tac/throttle body sorted out. Once it's all good, do the reset.

Maf plays into the fuel trims since the fuel delivered is based on how much air is measured coming in.
 

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