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  1. L

    TPS Question

    Joe, You may be on to something. The 94 doesn't have a ballast resistor, but the fuel pump relay supplies common feed to both the fuel pump and the heated O2 sensor. These wiring diagrams can be a mind-bender at times. Random thought here: With WOT supposed to be open loop, the O2 signal is...
  2. L

    TPS Question

    OK, this one has me stumped (not that that's never happened before, which is why I carry an axe in the kit with the other goodies!!) 94 XJ 4.0 5spd runs great with good responsive acceleration without a cough, hiccup, stutter or trouble code set - until you're on a long pull 5%+ grade at WOT...
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