It's Fixed!! Finally! (My slow start problem)
#21
I just bought an 03 silver XK8 and I am having the same problem. My obd shows 60 psi while idling, but goes right to zero when the car is shut off. Also takes a lot of cranking to start.
I saw your video, thank you btw. I wanted to know how hard it was to re-attach the fuel line to the tank?
Also, where did you buy the aircraft wire?
One other thing, do they make just the pump that goes into the assembly? I figured while I have it out it wouldn't hurt to replace it.
The $600 assembly is not an option.
Also, It does idle a little weird sometimes so I'm thinking it's a broken tab on the chek valve.
Thank you in advance for the help.
Quinn
I saw your video, thank you btw. I wanted to know how hard it was to re-attach the fuel line to the tank?
Also, where did you buy the aircraft wire?
One other thing, do they make just the pump that goes into the assembly? I figured while I have it out it wouldn't hurt to replace it.
The $600 assembly is not an option.
Also, It does idle a little weird sometimes so I'm thinking it's a broken tab on the chek valve.
Thank you in advance for the help.
Quinn
I got the safety wire at Harbor Freight Tools. Safety wire is really perfect for that repair because it's strong and it holds a twist. A paper clip would be too stiff. One of those twist-tie things that we used to use to hold trash bags closed might work if you stripped the paper off of it. Those little wire things used to hold Christmas ornaments would work, too, but get the thin, lightweight ones. the heavier ones might be too stiff.
#23
Thank you. I bit the bullet and bought a new one. I'm going to put a hose clamp on those tabs that break off that may help them from snapping again.
Haven't made a payment yet and I'm into this thing for a couple grand already. I hope it turns out being dependable after this suspension rebuild and fuel pump. I'm also planning on changing that trans fluid. Is that zf6 dependable? I know the zf5's were not.
Thank you.
Quinn
Haven't made a payment yet and I'm into this thing for a couple grand already. I hope it turns out being dependable after this suspension rebuild and fuel pump. I'm also planning on changing that trans fluid. Is that zf6 dependable? I know the zf5's were not.
Thank you.
Quinn
#24
Thanks Sam and Thanks to bzviguy and ccfulton on thread "2003+ Fuel pump tear down and failure analysis".
I had the crank, crank,crank hard starting problem. Putting a pressure gauge on the fuel rail Schrader valve showed the pressure drop to zero after turning the car off. Easily took the fuel pump out tanks to Sam's video. And removed the regulator from the fuel pump and bench tested by applying vacuum to 5/16 port on regulator and found it held vacuum. Check valve look good. But the small o-ring on the regulator port looked swollen so I replaced the O-ring (a dash 109 5/16 x 3/32) . I put the regulator back in the plastic fitting and tested with the new o-ring and it held pressure. Put back everything back together and in now working. Thank for the help.
I had the crank, crank,crank hard starting problem. Putting a pressure gauge on the fuel rail Schrader valve showed the pressure drop to zero after turning the car off. Easily took the fuel pump out tanks to Sam's video. And removed the regulator from the fuel pump and bench tested by applying vacuum to 5/16 port on regulator and found it held vacuum. Check valve look good. But the small o-ring on the regulator port looked swollen so I replaced the O-ring (a dash 109 5/16 x 3/32) . I put the regulator back in the plastic fitting and tested with the new o-ring and it held pressure. Put back everything back together and in now working. Thank for the help.
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