low fuel pressure
#1
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low fuel pressure
I believe im dealing with some low fuel pressure issues. the car is boggin under load, and when I cut the fuel with my fuel pump switch the car dies immidietly, it doesnt sputter out like normal.
Anyways, its got a walbro 255 installed. Ive heard about the s4 turbo sytem that changes the pump voltage from 9 to 12 volts depending on load.
I put a multimeter to my pump as the car was running, it read 5 volts. 7 volts when revving the engine a bit.
I assume this is way too low, and thats where the low fuel pressure issues are originating.
does the pump just ned a rewire? or am I dealing with something bigger here.
Anyways, its got a walbro 255 installed. Ive heard about the s4 turbo sytem that changes the pump voltage from 9 to 12 volts depending on load.
I put a multimeter to my pump as the car was running, it read 5 volts. 7 volts when revving the engine a bit.
I assume this is way too low, and thats where the low fuel pressure issues are originating.
does the pump just ned a rewire? or am I dealing with something bigger here.
#5
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isnt one of the big wires power and the other big wire ground? I was just probing accross them, which would give me the voltage drop accross the pump, which I sort of expected to be 9/12v
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trickster
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07-01-23 04:40 PM