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Greg
Greg, Technician
Category: Car
Satisfied Customers: 6810
Experience:  17 years Shop Owner /Technician. 27 years experience,
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1999 JAGUAR xj8: 4.0L..ON THIS CODE...secondaryfuel CIRCUIT PROBLEM

Customer Question

1999 JAGUAR XJ8 4.0L HAVE CODE P1646 NEED INFO. ON THIS CODE. MITCHELL HAS IT AS SECONDARY
FUEL CIRCUIT PROBLEM, BUT IT DOESN'T APPLY TO THIS MODEL. THANKS
Submitted: 6 years ago.
Category: Car
Expert:  Greg replied 6 years ago.
Hi and welcome to JA.com. I will assisted you best i can
P1646 is your secondary fuel pump relay malfunction.
Check the #15 fuse in the trunk / boot replace if needed
Need more assistance please let me know,
Regards Greg

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