I am having a problem with my 1986 Jaguar it is a xj6 vanden
plas.The problem is that after driving about 20 miles or so it
begins to feel as if I am running out of gas, hesitating and when
pressing on the gas pedal it kinda feels like I have no power.Also
the car leaks gas from the canister in the right front wheel well.I
saw a simalar post to this and followed the instructions that I saw
to see if it was the non return valve but everything looked
good,gas was only flowing to the tank selected on both sides.My
husband put a new fuel pump in it on monday thinking it was going
bad but it did not help still the same.we have also changed the
fuel filter and oxygen sensor but no luck.If anyone out there has
had this problem or knows what could possibly be wong could you
please help,thank you very much for taking your time to read this
and to place your post.–
Germain and Blanca (1) 1986 xj6 vanden plas (2) 1988 xj6
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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There’s a plastic 1.5-way valve in the line from the canister back to thw
tanks, I believe. It’s 1.5-way because one direction is easy to blow through
but the other requires a psi or so. Maybe this valve isn’t in right, or has
failed? Also, the purge valve from the canister is inside the fenderwall
under the air cleaner and this should open to purge the canister when
starting. It, in turn, is controlled by the last thermal switch on the top
rear of the water rail. Check that the purge valve actually operates when
starting up cold. Complexity is one of the attractions off these cars. :]–
Alex
79xj6L SII (BRG + wires)
86xj6 SIII (Black)
61 Sprite MkII (Red)
Menlo Park, Calif.
jagkingswife wrote:
I am having a problem with my 1986 Jaguar it is a xj6 vanden
plas.The problem is that after driving about 20 miles or so it
begins to feel as if I am running out of gas, hesitating and when
pressing on the gas pedal it kinda feels like I have no power.Also
the car leaks gas from the canister in the right front wheel well.I
saw a simalar post to this and followed the instructions that I saw
to see if it was the non return valve but everything looked
good,gas was only flowing to the tank selected on both sides.My
husband put a new fuel pump in it on monday thinking it was going
bad but it did not help still the same.we have also changed the
fuel filter and oxygen sensor but no luck.If anyone out there has
had this problem or knows what could possibly be wong could you
please help,thank you very much for taking your time to read this
and to place your post.
In reply to a message from jagkingswife sent Sat 12 Mar 2005:
Clean the tanks. Your description fits exactly with
experience when I first obtained my xj. Car starts, idles,
and runs, perfectly until driven a moderate distance then,
reduced power, hesitation, and at times in coming to a stop
the engine dies and will not restart for a period of fifteen
minutes or so. Crud in the tanks gets stirred up by the
car’s motion and clogs the pick up screen. The tanks are not
difficult to clean out. If the car sat unused for long the
fuel lines themselves can be in need of being cleaned. It
took a combination of solvent, compressed air, and an old
speedometer cable to clean the lines when I addressed it.
Once all is clean I think your system will work as intended.
Good Luck,
Paul–
The original message included these comments:
I am having a problem with my 1986 Jaguar it is a xj6 vanden
plas.The problem is that after driving about 20 miles or so it
begins to feel as if I am running out of gas, hesitating and when