You are watching: 2004 ford f150 4.6 fuel pressure specs
Interestingly, most of the codes you listed contradict every other. However, I have a plan. The 171, 172, 174, and also 175 all indicate both a lean and also rich fuel mixture because that both banks. That doesn't make sense. It need to be one or the other. The 300 is likely resulted in by a fuel mixture issue and the 131 shows a short voltage from bank 1 sensor 1. Now, the 2195 and 2197 are showing the oxygen sensors room stuck in the lean setting for both banks. So, I'm questioning if the affluent codes to be set first and now the automobile is sticking in lean to compensate. Check out the diagrams (Below). Here is wherein we should start. I must confirm fuel pressure. If the push is too high due to a faulty regulator, it will be dumping fuel causing this.Here is a attach that defines in basic how it's checked:https://www.usmam.org/articles/how-to-check-fuel-system-pressure-and-regulatorHere space the directions and also specifications particular to her vehicle. The attached pics correlate v the directions.Fuel pressure T-Adapter 3/8"310-D252 or equivalentimage WARNING: carry out not smoke, lug lighted tobacco or have actually an open up flame that any type when functioning on or near any kind of fuel-related component. Very flammable mixtures are always present and also may it is in ignited. Failure to follow these instructions may an outcome in serious personal injury.image WARNING: before working ~ above or disconnecting any type of of the fuel tubes or fuel mechanism components, relax the fuel mechanism pressure to protect against accidental spraying of fuel. Fuel in the fuel mechanism remains under high pressure, even when the engine is not running. Failure to monitor this accuse may result in serious personal injury.image WARNING: perform not carry personal electronic tools such as cell phones, pagers or audio equipment of any form when working on or near any type of fuel-related component. Highly flammable mixtures are constantly present and also may it is in ignited. Fail to follow this instructions may an outcome in serious personal injury.image WARNING: constantly disconnect the battery floor cable in ~ the battery once working on one evaporative emissions (EVAP) mechanism or fuel-related component. Very flammable mixture are always present and may it is in ignited. Fail to follow this instructions may an outcome in serious an individual injury.image WARNING: When dealing with fuel, always observe fuel handling precautions and be all set in the occasion of fuel spillage. Spilled fuel might be ignited through hot car components or various other ignition sources. Failure to follow this instructions may an outcome in serious an individual injury.If servicing a 4.6L (3V) engine, remove the Evaporative emissions (EVAP) purge valve clip bolt and also position the bracket aside.If servicing a 5.4L (3V) engine, remove the waiting intake resonator assembly bolt and loosen the clamp. Revolve the resonator upward until it stops.Remove the fuel press relief valve cap.Install the Fuel push Test Kit ~ above the fuel pressure relief valve.NOTE: It might take more than one crucial cycle to pressurize the fuel system.Cycle the ignition an essential to the top top position and wait 3 seconds to pressurize the fuel system. Check for leaks before starting the engine.Test the fuel system pressure come make certain it is in ~ the mentioned range. For added information, refer to Specifications in this section.NOTE: 4.6L (2V) shown, 4.6L (3V) and also 5.4L (3V) similar.NOTE: open up the drain valve slowly to relax the fuel system pressure. This may drainpipe fuel from the system. Ar the fuel in a an ideal container.Upon perfect of the fuel device pressure test, open the drain valve on the Fuel push Test Kit and relieve the fuel device pressure.Install the push relief valve cap.Tighten to 6 Nm (53 lb-in).If servicing a 4.6L (3V) engine, place the EVAP purge valve right into place and install the parentheses bolt.Tighten come 10 Nm (89 lb-in).If servicing a 5.4L (3V) engine, turn the waiting intake resonator assembly into position and install the bolt.Tighten come 10 Nm (89 lb-in).6.2L (2V) engineRelease the fuel system pressure. For added information, describe Fuel device Pressure relax in this section.Disconnect the fuel pipe quick attach coupling. For added information, describe Quick connect Coupling in this section.Install the Fuel push T-Adapter 3/8" and Fuel pressure Test Kit in line in between the fuel supply line and fuel rail.NOTE: The Fuel Pump control Module (FPCM) electric connector to be disconnected throughout the fuel system pressure release and also must be reconnected to finish the Fuel mechanism Pressure Test.Connect the Fuel Pump regulate Module (FPCM) electric connector.Connect the battery soil cable. For added information, refer to Section 414-01 .NOTE: It might take more than one crucial cycle come pressurize the fuel system.Cycle the ignition an essential and wait 3 secs to pressurize the fuel system. Inspect for leaks before starting the engine.Test the fuel system pressure come make certain it is in ~ the specified range. For additional information, refer to Specifications in this section.NOTE: open up the drainpipe valve progressively to relieve the fuel mechanism pressure. This may drainpipe fuel indigenous the system. Ar the fuel in a perfect container.Upon perfect of the fuel system pressure test, open the drainpipe valve ~ above the Fuel push Test Kit and relieve the fuel mechanism pressure.All enginesNOTE: It might take much more than one an essential cycle to pressurize the fuel system.Cycle the ignition vital to the on position and also wait 3 secs to pressurize the fuel system. Examine for leaks before starting the engine.Let me know what friend find. Also, permit me know if you have checked because that vacuum leaks and if over there is a leak at the exhaust manifolds top top the engine.Check out the diagrams (Below). You re welcome let us know what you find.
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We are interested to see what that is.