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P301B Diagnostic Trouble Code Discussion for October 2008

cylinder 1 misfire

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Trouble Ticket Help Requests for DTC P301B
Help Request Posted
2000 Oldsmobile Alero GL 2.4L Misfire VIN: 1G3NL12T2Y
P301B: cylinder 1 misfire. i have ran numerous test on the ignition system even swapped a complete known good coil assembly and still the same thing happens cylinder 1 misfire at idle. fuel pressure 50 psi, injector has good pulse does anybody have any ideas
October 23, 2008