Problem Reports

Jeep Wrangler

Report: Throttle Position Sensor May Fail

• Cranks but won't fire?
  Sahara, 4.o liter. Cranks, cranks, cranks, but won't fire. Replaced coil, plugs, wires, cap and rotor. Have not been able to get a spark from the coil or a plug when trying to arc it. Gives me d...

  Q&A > Jeep > 1995 Jeep Wrangler

• O2 sensors, stalling, won't start on first try
  I have a problem with my second O2 sensor on the catalytic converter, it keeps on getting high voltage, I've replaced the sensor three times and its the same problem. I've looked over the wiring an...

  Q&A > Jeep > 1999 Jeep Wrangler

• Misfire Codes
  ...ly went through inspection and I failed emissions because of an engine misfire. The codes are p0300, p0301, p0302, p0303, p0304, p0305, and p0306. With all six cylinders misfiring, I should not...

  Q&A > Jeep > 1997 Jeep Wrangler

• Rebuilt motor won't start - Fires every 3rd compression cycle.
  ...tic code, 1489, which is a High speed radiator fan error. The plugs are getting wet and the compression feels good in all 4 cylinders, although my compression tester isn't long enough to reach the p...

  Q&A > Jeep > 2004 Jeep Wrangler

• Cranks won't start
  My 1994 Jeep Wrangler 4.0 will run fine then all of a sudden will crank but won't start. After a day it would start back up with no problem and last for a few weeks then do it again. I have replace...

  Q&A > Jeep > 1994 Jeep Wrangler