Truck stalls in reverse and when going slow, also shifts hard and slips gears
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Truck stalls in reverse and when I stop at red lights and stop signs, it also jumps forward sometimes when I’m not moving and it shifts hard, it also has a delayed shift when I’m going slow or leaving a stop sign/red light or turning . The RPM’s flair before sometimes before it stalls. And the overdrive is flashing, I know that there’s a misfire in cylinder 2, the computer says that there’s also a misfire in cylinder 6 and the system is lean. The rear main seal is also leaking but I’m less worried about that.
How long has your 2004 Ford F-250 Super Duty had this problem?
RepairPal Certified shops can diagnose and repair your 2004 Ford F-250 Super Duty. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Hi, this is Bo, an auto expert on RepairPal's Car Genius team!
It sounds like your F-250 is dealing with a few issues at once and that's no good!
The stalling, hard shifting, and gear slipping along with the flashing overdrive light, usually point to transmission troubles. Your misfires and lean system might affect how the truck runs and shifts, making the symptoms worse. Start by checking the transmission fluid—it should be clean and at the right level, not dark and smelling burnt. Also, make sure no vacuum leaks or ignition issues are causing those misfires. If everything looks okay and it’s still acting up, you might need a deeper look at the transmission or fuel delivery system.
Don't worry too much about the rear main seal leak for now; it's important but not as urgent as getting the truck running smoothly again. Good luck!
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