i have a f-150 xlt 302(5 litre) this truck has been converted to dual fuel. 9 years ago it runs great on propane but has a really hard time running on gasoline. no power, missing, pedal has to be pumped to be kept running on gas. fuel pressure is good, 45 psi on the fuel rail, fuel filter has been changed. have turned on the injectors when running on propane and it runs richer but not enough to kill the engine. any suggestions would be very helpful and apprecitated

 

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well, if it wasnt ran on gas for a while, the fuel filter or pickup could be varnished up. if you want to see if youve got enough fuel, go under the truck, and remove the return line on the tank, and put it in a can, and turn the truck on, and watch fuel come out. when you first turn it on, it should come out for a sec, then stop. start the truck, and watch the fuel.