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Home >> Pontiac >> 2000 >> Sunfire L4-144 2.4L DOHC VIN T SFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Misfire History #1-4

Misfire History #1-4

Range 0-255 Counts
Indicates the number of misfires that have occurred after 195 current misfires have been counted. The current misfire counter will add misfires to the history misfire counter after 195 total misfires have taken place. If 1 cylinder is misfiring, the misfiring current counter will have 195 misfires counted before adding to its history counter. If 2 cylinders are misfiring, the misfiring current counters will add to their history counters after 97 misfires. Increments only after a misfire DTC has been set.
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