clear these codes, as well as providing a host of other fantastic features like calibrating the speedometer followingtireorgearingchanges, adjusting the vehicle's engine idle to take advantage of accessories likewinches, and provide a 'one touch' ability to activate your Wrangler's Daytime Running ...
A random misfire problem (code P0300) means the misfire is jumping around from cylinder to cylinder and that multiple cylinders are experiencing a misfire problem. This is usually due to a lean fuel condition which, in turn, is being caused by a vacuum leak, an air leak in the intake man...
Truck has an active P0300 code and runs very rough. Found that all passenger side cylinders are not firing. Only running on drivers side cylinders. Driver reported this occurred suddenly while driving down the highway. Truck ran fine before that. Not sure which direction to go from ...
A "random misfire code" (P0300) is even harder to diagnose because there can be numerous causes. A random misfire usually means the air/fuel mixture is running lean. But the cause might be anything from a hard-to-find vacuum leak to dirty injectors, low fuel pressure, a weak ignition c...
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is running. This means you either have to disable the fuel pump and plug the fuel return line, or install a U-tube so the fuel will recirculate right back to the tank. Disabling the fuel pump can set a fault code on some cars, requiring you to clear the code after the job is done...