MY MUSTANG RAN OUT OF GAS THE OTHER DAY. EVER SINCE THEN I HAVE NO HORSEPOWER. WHY IS THAT?

If it ran well before storage and now it does not, look for a gas related issue first. Be sure you have fresh gas and of the proper octane rating. In some cases, the ECM may loose it's memory and the car will have to be driven for a few days so it can recalibrate. Start here first as it is the simplest and easiest thing to do.

Ck timing

You ran the car out gas and there's air in the system.. Not the Throttle Body.. Expel the air from the system.. 1. Raise/Support your hood.. 2. Turn your key to the ign position, (listen for the fuel pump to come on).. 3. Go to the fuel rail(s) and press the Schrader Valve, (looks like a tire air valve), until only fuel comes out.. (use safety gear, especially for eyes) 4. Rinse/Collect excess fuel before cranking (careful around electrical connections)

the valve on the end of the fuel rail ¿¿ increase in pressure and now the diaghram could have split as its need to work harder

I would be willing to bet you have some gas residue that is contaminating your fuel lines. I would drain the gas tank and have it checked and cleaned.

probably clogged fuel injectors,take them out and clean them with air hose,very costly to replace them

Limited slip differentials (positraction) are relatively expensive, especially when installing in a vehicle that did not initially come equipped with one. V6 Mustangs do not come with an LSD (limited slip), so it will be expensive. You get 0 horsepower from it; all an LSD does is transfer torque between the wheels to gain more traction during wheelspin and make your car handle better.

Hope this helps,
matt

Your fuel system requires 35-45 PSI. If you don't have this pressure in the line then your fuel filter or fuel pump is at fault.

is your mustang fuel injection? if so sounds like it light be a dry injector unit? if it not then you will be looking at dust and stuff in you main injectors, always agood idea not to run out of juice as this allows the rubbish which sits at bottom of your tank to be sucked through. sorry to lecture but ruined few cars myself that way and not an easy fix.

Sounds like the catalytic converter is clogged.



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