Wednesday, November 24, 2010

Fuel pressure regulator and BAD fuel mileage?

My 1987 Bronco ll 4x4 is only getting about 8-10 miles to the gallon!I posted on the Bronco site where the average mileage acording to those owners is 18-26 mpg!You can literally watch it suck gas, ate up almost a quarter tank on a 30 mile trip to work tonight.The suggestion was a failing fuel regulator or leaky injectors.I dont smell gas though.The only thing i smell is oil from the valve cover gaskets.It sounds great.I do hear what sounds like a sputtering when i accelerate (vacuum?) but that could just be the engine.You do have to push it a little before it catches on the highway and it hard shifts but im in the process of changing the filthy fluid thats been sitting in it.It hadnt been driven it a couple years.I just put a new cat converter,major tune up,EGR valve and cleaned ports,oxygen sensot, map sensor %26amp; both fuel filters and o-ring- the canister was missing.I know it needs an air flow idle sensor,what could this be?What is the labor on a regulator?How easy is it to check?Fuel pressure regulator and BAD fuel mileage?
I had one go bad on my Ford Ranger pickup, yes, it used alot of fuel. They are relatively cheap and easy to replace, however, you need a gauge to check fuel pressure that most home mechanics do not have.Fuel pressure regulator and BAD fuel mileage?
better put the canister back on.what about plugs and wires,did you change the cap and rotor.check all vaccum hoses for leaks.put a vaccum tester on it and also check the fuel pump regulator,it could be letting too much gas to come into the injectors and burning raw gas.that would be enough to make it hessitate.

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