I've changed my 1999 Cherokee 4.0 TPS. Is there suppose to be a calibration performed,or was that for earlier Cherokees? Thanks
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I've changed my 1999 Cherokee 4.0 TPS. Is there suppose to be a calibration performed,or was that for earlier Cherokees? Thanks
That calibration was for the Renix era 4.0 only. Yours is plug and play
230 hp 4.3L Chevy
Built 4L60E with manual lockout
Atlas 4 speed
Griffin radiator
On board air
Warn 9.5ti on custom bumper
7.5" RE front and bastard pack rear on custom long arms
30 gal gas tank
lockers
And a bunch of other stuff
The torque app says I'm at 20% with key on engine off. It runs and responds fine and 100% is show with throttle as far as it goes. I had the tps go out this fall and previous one showed 20% resting. I snagged a whole throttle body for a 4.0 ZJ cause I knew I'd need a core for the big bore upgrade(and I forgot to bring the torx to get it out) I'm also running a 99.
There are no rocks, log trails or public land here so I’m building a mall crawler... Dawn of the Dead style!!!
It's only suggested that you reset the computer when you change a major sensor such as the TPS. There is no calibration from 91 up. As mentioned by others.
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By reset the computer,Do you mean disconnect the positive battery terminal and grounding positive battery cable to vehicle frame for ten minutes or more?
PCM reset sequence is:
Disconnect the POSITIVE battery Terminal and touch it to ground for 30 seconds. (This is to discharge the PCM capacitors, which maintain the Adaptive Memory.
Reconnect the Battery Cable
Turn Ignition Switch to the “On” position but DO NOT start the engine
Turn Headlight “On”
Turn Headlights “Off”
Turn Ignition Key “Off”
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'91 XJ Limited | 4.0 H.O. I6 | AW-4 | NP242J | D30 | C8.25 | BFG KM2 33x10.50x15 | front winch bumper ...
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