Recent content by BigFerg98
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Very persistent misfire, help
MAP sensor. The map sensor is used to determine load and the computer adjusts timing and fuel accordingly. If your sensor isn't reading correctly you will have random misfires under a load. I chased this problem for almost 2 weeks on my 98 tahoe 350 vortec. It would only misfire up a hill under...- BigFerg98
- Post #9
- Forum: Engine Performance + Maintenance
