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Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 15310
Experience:  12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
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93 jaguar xj6: a fuel fail 17 code and my check engine light came

Customer Question

My 93 jaguar xj6 has a fuel fail 17 code and my check engine light came on
what does this mean and how can i fix this? Leighton
Submitted: 6 years ago.
Category: Jaguar
Expert:  Richard replied 6 years ago.

Hello and welcome to


That code 17 is for the throttle position sensor located on the bottom of the throttle body. This code is caused 99% of the time caused by a bad sensor. Here's how to test it. Go to the sensor connector and make sure you have 5 volts on pin 2 pink/purple and a ground on pin 1 black/yellow. Then go to pin 3 green/yellow and you should read about .80 volts and it should increase to about 4.90 volts. Make sure the signal does not drop out.

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