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P0300 Diagnostic Trouble Code Discussion for February 2026

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
1997 Isuzu Hombre XS 2.2L Misfire, MIL Lamp on VIN: 1GGCS1945V
P0300: Multiple Cylinder Misfire Detected. ... dynamometer testing. It has P0300 code; however, it's not misfiring. We tried replacing the CKP sensor as well as the Ignition Control Module, and the results are still the same. We did a circuit testing including voltage drop testing. It appears to b...
February 11, 2026