Q: Car will not drive over 30 mph
My car will not drive over 30 mph.
The engines computer could be in a “limp” mode. It is a reduced power mode because of a trouble code(s) set in the computer. It does this to prevent further damage. Any type of misfire code, a major sensor, or transmission code could cause this. The only way to see what is causing this would be to scan the computer. If you would like this repaired, consider YourMechanic -- our mechanics provide diagnostics at your home or office.
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