Quote:
Originally Posted by blue62
Just a guess on my part here but.....
With the pedal disconnected the ECU will see conflicting signals from the potentiometer and the throttle position sensor.
they work together..... you probably know this.... but as you press the gas pedal the potentiometer sends a signal to the throttle butterfly to tell it how far to open.
So my guess is if the pedal is disconnected or it has a fault the ECU sees nothing or a signal that does not make sense from potentiometer at the same time it is getting a signal from the throttle position senor. So there is a conflict....ECU's don't like that.
Wish I could be more help but trying to diagnose an issue remotely is very difficult when they are typical issues.
Your problem is far from typical....
Please keep me posted on what you find what the fix is that sort of thing.
You can PM me or just follow up on this thread.
Good luck with it.
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I’ll post a follow up when I find some resolve. Poked around at some wires and traced some harnesses. Took the pot out of the car and tried testing the resistance but since there’s 6 wires it was harder to try and figure out what was what. The red and violet wire carries 5v to the gas pedal, and is also connected to the throttle body. I traced it back to the ecu so i at least know that wire is connected properly. I tried jiggling wires around while the car sputtered. The maf is hooked up to the ecu properly. If I could figure out which wires are what on the maf and throttle body I could be sure that they have correct voltage.
I’ll keep poking around at stuff after work until the new pedal and pot arrives