The problem was. Symptom: Hesitates under part throttle, may feel like an engine misfire, ignition system and fuel delivery system test good.
System: Emissions/PCM/Fuel, Engine Ignition
Codes: Possible P0300, P0301, P0304
Problem: The #1 and #4 Spark Plug Wires are reversed which causes the injector timing to be off by 180 degrees.
Test & Fix: Verify the correct Spark Plug Wire installation order of 4, 1, 2, 3
Saturday, February 16th, 2008 AT 2:23 PM