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  1. P

    2002 3.7l will not crank/start when hot.

    Does anyone know the Mopar p/n for the "backup/park switch" which is inside the 2002 Jeep Liberty auto trans, and connects by wire to the trans control module?
  2. P

    2002 3.7l will not crank/start when hot.

    Jeep is automatic, that's why I speculated about park switch being sensitive to heat. The issue is completely in sync with powertrain being hot from prolonged running (more than 30 minutes including heatsoak) at time of turning off ignition. Wait 30 minutes and it has never failed to...
  3. P

    2002 3.7l will not crank/start when hot.

    8 times out of 8 events in 2 months engine will not crank when attempted within 15 minutes after shutdown. Will always start after engine compartment cools for 20 minutes on cooler day hood up, 30 minutes on warmer day. Always starts from cold. Checked wiring, pulled/replaced plugs,checked...
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