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Discussion in 'Social Club' started by 1FastCam, May 28, 2009.
With electric fuel pumps they are either on or off right? There isnt any in between?
Call Toad He is the Master mechanic :roll2::roll2::roll2::roll2::roll2:
my limited experience(fortunately). they either work, or they dont, no in-between.
I believe that is correct they are off or on. On a full size chevy truck you can hear them come on when you turn the key on.
electric fuel pumps will come on for approx. 2 secs when the key is turned on. On ce you start the vehicle it will then be turned on while running. if i won't start try hitting the gas tank with a rubber mallet or soft faced dead blow to try to jar it to work long enough to start.
Thats what I thought. Getting ready to trouble shoot a truck i got for free. Barely ran, bucked, acted like it wasnt getting any gas, and wouldnt go over 5mph. Sounds like fuel delivery. He changed the fuel filter, and it didnt change, but he didnt change the pressure regulator. Could also be a gummed up throttle body, but I doubt that.
IF ITS A GM, CHECK THE INJECTOR CONNETIONS AT THE THROTTLE BODY. SOMETIMES THEY GET FRAYED AND DON'T MAKE A GOOD CONNECTION TO THE INJECTOR. SOUNDS LIKE THE SCREEN FOR THE FUEL PUMP MIGHT ALSO BE CLOGGED. PUT A PRESSURE GAUGE IN LINE FROM THE TANK AND CHECK PRESSURES. VERY LIKELY THE PUMP.
Thanks Shortshot. Its a D21 Nissan. First thing Im going to do is run the diagnose mode on the computer. Hopefully that will reveal something.
NO PROBLEM. GOOD LUCK WITH THE DIAGNOSIS. TURNING WRENCHES IS MY CAREER. ANYTHING I CAN HELP WITH LET ME KNOW.
RGR that. Will do.
Found a PDF online about how to flash the computer to get the codes. THat'll be the first thing done.
mine was working in my s-10 and then i had to get towed twice in the same month, figured out it was the fuel pump, electric my mechanic who i trust said it was going out. havent had a problem since i replaced it. $650 part
Its $200 for this one. I'll start cheap and work my way back.