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2003 eb 5.4l

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Old 06-18-2020 | 10:01 AM
Amnesia's Avatar
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Default 2003 eb 5.4l

TL;DR: Truck was fine. Suddenly lost power. I'm looking for the root cause of these malfunctions(listed below) What could cause them to occurred all at the same exact time. (Minus the fuel level sensor. This issue has been known for a while)

Three days ago I had the manifold replaced due to a coolant leak at the crossover gasket. The plastic was broke. At the same time i had the fuel injectors. Ignition coils, and spark plugs replaced. It ran great until this Morning.

On my way to work it was running fine. I filled up in gas and almost immediately after leaving the gas pump. It suddenly and completely lost power. I had to park it one block from the gas station.

I have a cheap reader and was shocked to see 12 codes listed, considering there had only been one constant (Fuel leveling sensor) my question is what could cause all of these thing to malfunction at the exact time? I'm hoping to fix the underlying issue without wasting money on all these repairs if there's an underlying cause that would result in all of these things to malfunction.

P0443 - Evaporative Emission Control System Purge Control Valve Circuit Malfunction .

P1451- EVAP Control System Canister Vent Solenoid Circuit Malfunction

P0460 - Fuel Level Sensor Circuit Malfunction

P1747 Transmission Pressure Control Short Circuit

P0750 Transmission Shift Solenoid "A" Malfunction

P0755 Transmission shift solenoid "B" malfunction

P0743 Transmission torque convertor clutch solenoid malfunction

P0135 Oxygen O2 Sensor Heater Circuit Malfunction

P0155 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank2, Sensor1)

P0403 Exhaust Gas Recirculation Circuit Malfunction.

P0141 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)

P0161 - 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
 
  #2  
Old 06-18-2020 | 03:35 PM
hanky's Avatar
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Posts: 15,303
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You certainly won the prize here ! lol

The one thing that can do this is a poor ground that is shared with all those systems. Since so many are involved , A good place to start is right from the battery negative cable and any and all wires coming from there and going to other points like sheet metal and any place you can see a ground wire . A diagram would help pinpoint the location ,maybe, but you can almost do the same thing just by looking and tracing. Remember, just looking at them does nothing,the connection needs to be removed, cleaned and reinstalled. If you had dielectric grease you would apply it over the connection after cleaning and tightening.. If not , Vasoline or a little grease applied will prevent further corrosion.
 
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