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Recent content by cklau

  1. 03 T&C Engine sputter at high RPM

    4th. Generation Chrysler Minivans: 2001-2007
    Problem solved finally. It was a blocked or restricted catalytic converter. I found it out by using a vacuum gauge to check how the vacuum changed while revving up the engine from idle to about 2000rpm. Also confirmed by removing the upstream O2 sensor temporary. Now the catalytic converter has...
  2. 03 T&C Engine sputter at high RPM

    4th. Generation Chrysler Minivans: 2001-2007
    Hi Dan, I checked the wiring harness yesterday. Pulled out the velcro and inspected the wires. I did not see any insulation melted and the wires were easily separated apart. Tested the car and it still sputtered. Today, I tested again and it went to 3500rpm without sputter when the engine was...
  3. 03 T&C Engine sputter at high RPM

    4th. Generation Chrysler Minivans: 2001-2007
    Thanks Dan, will check the throttle body and the wiring harness this weekend. CK
  4. 03 T&C Engine sputter at high RPM

    4th. Generation Chrysler Minivans: 2001-2007
    My 2003 T&C 3.8L Limited recently lost power when going above about 25mph. No Check Engine lights come on so far. I have narrowed the problem to the engine, which starts to sputter at around 2000rpm while gear shifted at Park, no matter engine cold or warm. I have changed spark plugs, spark...
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