Question about 1993 Jaguar XJ6
Hi, my 93 xj6 stalled at a light with no way to start it again; had it towed back to my house. Now, the engine starts in park but it always stalls below 13K rpm along with sputtering/hesitation, a tack-tack-tack sound and just generally revs terribly shaky. No chance to drive it, I'll be pushing it to the side of the road again, almost getting hit by idiots in the process. My mechanic is on vacation and can't look at for a few weeks, so I'm trying to do some troubleshooting. What could it be?...Throttle body cleaning, electronics check, bad gas, etc.?? Any advise would be great,Thanks.
The first thing I would check in a situation like this is the Fuel Pump.
Your fuel pump is physically inside the Gas Tank (which is located between the rear seats and the trunk/spare tyre).
However, the control unit for the fuel pump/motor is right on top of the tank. My experienced mechanic gave mine a couple of bumps with a small object (like a small pipe to reach the box) to kick it back into operation.
Here's a quick 15 minute test:
Try this: keep the tank -Filled Up- this will help to cool the Fuel Pump which sits in gas inside the tank.
-Put your keys in the ignition and turn to stage2 (right before you begin to turn the engine over),
-Go around to your trunk and give the Fuel Pump a couple bumps with a tool that will not hurt it (it is covered in solid plastic).
-Then try cranking the engine while pressing down on the gas pedal, one of three things will happen, 1) The engine turns over and everything is gravy! 2) It cranks but doesn't start up 3) It cranks but doesn't start and you can smell gas from the engine bay.
If #2 is you: then your fuel pump has hit some scummy **** and doesn't want to work without repair or cleaning, try giving it another knock or two with the electrics in the car turned on. Maybe have a friend crank the car while you -tap- on the fuel pump.
If #3 is you: Check your spark plugs, they could be misfiring.
If all above fails I would start thinking that you engine idle valve is dirty and needs a quick clean.
Posted on Jul 27, 2009
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Posted on Jan 02, 2017
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