XJ40 ( XJ81 ) 1986 - 1994

Fuel Fail 17

 
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Old 05-22-2018, 10:00 PM
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Default Fuel Fail 17

So I picked up my car from the body shop today and noticed the check engine light was on. The VCM says FUEL 17 FAIL 17. Never seen that before in two and a half years of owning this car (check engine light has never been on before). I couldn't find much searching the forums for that particular fault code either and the Jag-lovers ebook entry for the fault code helps me a bit but just a little bit.

The car was at the shop for about two weeks to repair damage from a bicycle collision to my passenger side (repair and repaint the fender and hood and roof and replace the headlamp and windshield) though it didn't look to me that anything in the engine itself was damaged at all. 64000 miles on the car.

Any help or insights would be much appreciated.

 
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Old 05-22-2018, 10:39 PM
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You need a copy of the engine management .pdf, it gives you all the info on the fuel fail codes and a flowchart to hopefully correct it.


here you go, courtesy of motorcarman (Bob)


http://www.mediafire.com/file/szzac3...stic+Guide.pdf


Larry
 
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Don B (05-24-2018)
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Old 05-24-2018, 10:52 AM
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Hi tab,

A simple thing you can try is to disconnect the electrical connector for the Throttle Position Sensor (TPS) and flush both halves thoroughly with zero-residue electronic contact cleaner spray, allow to dry and then reconnect. If that doesn't resolve the FF17, the next step might be to remove your Throttle Body (TB), drill two drain holes in the plastic case of the TPS and flush it thoroughly with contact cleaner through one of the holes until the fluid emerging from the other hole is clear. Blow out with compressed air.

While you have the TB off, clean the EGR port on the underside of the intake manifold.

I have photos of all these jobs in the albums at the link in my signature, but unfortunately the large images are still not back up at Jag-Lovers. Hopefully my descriptions and thumbnails will be helpful.

Cheers,

Don
 
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Old 05-25-2018, 06:40 PM
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Thanks Larry and Don! I'll try disconnecting and cleaning and reconnecting the TPS first.
 
 
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