1993 Jaguar XJ6 Jaguar wont Start

Tiny
JAGON
  • MEMBER
  • 1993 JAGUAR XJ6
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 95,000 MILES
I purchased this 1993 Jaguar XJ6 in non running condition. The gas tank literally had over 3 Gallons of water in it. The Gas tank was removed and flushed. Fuel pump and fuel filter replaced. Distributor cap and rotor and spark plugs replaced. Still no start.I removed the fuel rail with the injectors attached and plugged the return end of the fuel rail.I cranked over the engine and got No fuel out of any of the injectors (not even a drop). With the injectors out I put a shot of gas in each cylinder and cranked it over. The engine came alive and ran for 2 seconds. Im not a mechanic but I think I got it narrowed down to either an electrical issue to the fuel injectors or the injectors themselves as there was a considerable amount of water pumped through them which cant be good.I checked the electrical resistance of each injector and get 2.4 well within the limits. Thats as far as my Haynes manual will take me and tell me to take it to my local Jaguar mechanic.I just need to know what should the voltage read at the injector connector. Should I take the reading with the ignition in the Start position?Any other suggestions would be greatly appreciated.
Thanks
Saturday, January 12th, 2008 AT 3:43 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

With that much water in the system, I would be getting the injectors o/hauled at a minimum, you can check the injection pulse with a noid light or a LCD test light, but I would put my money on dodgy fuel injectors.

Mark (mhpautos)
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Saturday, January 12th, 2008 AT 5:10 PM
Tiny
JAGON
  • MEMBER
  • 2 POSTS
Hey Mark
Thanks for your reply. Looks like it is the fuel injectors.I recieved a tip to apply voltage to each injector and since they are operated by a solenoid they should click. Some were a very faint click and most didnt click at all.
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Tuesday, January 15th, 2008 AT 1:46 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Just be careful about testing injectors that way, as they can burn out if left powered up, they work on a pulse only.

Mark (mhpautos)
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Tuesday, January 15th, 2008 AT 2:11 AM

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