If you're experiencing fuel delivery problems, symptoms might include the engine cranking but not starting, sputtering, or a loss of power. You should have a mechanic diagnose the problem. Potential causes are numerous and include:
* Faulty fuel pump: This is the most likely candidate if you suspect a fuel delivery issue. It requires replacement, not a reset.
* Clogged fuel filter: This can restrict fuel flow and needs replacement.
* Low fuel pressure: This could be due to several things, requiring professional diagnosis.
* Problems with the fuel pump relay or fuse: These can be checked and replaced if necessary.
* Faulty fuel injectors: These can be tested and replaced if faulty.
Instead of looking for a non-existent reset button, take your Mountaineer to a qualified mechanic for proper diagnosis and repair. Trying to troubleshoot fuel system issues without proper knowledge can be dangerous.