Never in 50 years have I heard that question
Tune a Fuel Pump
You don't buy a 4 cylinder engine to start with,
& then expect to enjoy to use of the vehicle with
no power!!!
funny question'funny answer.ha ha ha
Yes but can you tune a fish? :)
well if its a 4 cyl diesel then yes u can tune it , as then the pump determines the amount of fuel/power the engine gets. also as maybe the case 50 yrs ago 4 cyl cars arnt allways so slow as sitting in my back garage is a Toyota with a twin turbo 4 cylinder engine that just last month dyno'd out at 428 horsepower (11.5k rpm) now the owner is trying to find an insurance company that will insure it ( yes its that fast)
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Check the fuel pressure at the fuel rail.
upgrade fuel injectors to a larger higher performance.
replace the fuel filter on the frame rail under the driver side of truck.
upgrade the coil pack to improve spark at the plugs in the combustion chamber.
replace spark-plug wires with high performance set.
have a mechanic perform a leak down test for acceleration issues.
check the fuel pressure at the fuel rail.
upgrade fuel injectors to a larger higher performance.
replace the fuel filter on the frame rail under the driver side of truck.
upgrade the coil pack to improve spark at the plugs in the combustion chamber.
replace spark-plug wires with high performance set.
have a mechanic perform a leak down test for acceleration issues.
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Not certain it applies to the 2.3 engine but on the 3.0 V6 there is a simple and cheap mod known as the "throttle cable mod". Consists of adding zip ties around the excess cable length between the gas pedal and the cable termination. Doesn't add any power not there originally but it DOES allow the throttle to open completely which may not be happening if the truck is older and the cable has stretched with use. Took me 10 minutes on my '93 Xcab 3.0 auto and made a noticeable difference when I floored the gas. Good luck!
Keep a full tank of gas and the pump life may be slightly easier but forget about adding horsepower to a mule that way.
Performance fuel filter.
add Turbocharger or hho kit
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to get more power u don't have to tune the fuel pump you have to tune your engine or add Turbocharger
there is a company in north Carolina that makes fit kits to allow a 5 litre V8 to go in a ranger , I had one here but sold it two years ago it did ok
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