01 XK8 throttle body issues
i have a 01 XK8 and i'm getting a lot of oil residue in the bowl. Causing P1229 and P1000 error codes. Changed out the air filter and cleaned the bowl, but getting same problem. Anyone with any suggestions?

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Hello and welcome to jaguarforums.com.
If you haven’t already you need to put your car details in your signature. I am speaking of the Year, Make & Model. Without it you may not get the input you are looking for. To do this go to, User CP, Edit Signature, Add Vehicle Details and such and Save Your Signature.
Please take a moment and read the information provided to you explaining the rules. Be patient and enjoy the site.
Also, should you have questions related to your vehicle please post it in the section for your model year (MY) car. This way you will reach all the members that are familiar with your MY car.
If you haven’t already you need to put your car details in your signature. I am speaking of the Year, Make & Model. Without it you may not get the input you are looking for. To do this go to, User CP, Edit Signature, Add Vehicle Details and such and Save Your Signature.
Please take a moment and read the information provided to you explaining the rules. Be patient and enjoy the site.
Also, should you have questions related to your vehicle please post it in the section for your model year (MY) car. This way you will reach all the members that are familiar with your MY car.
The P1000 error code is completely normal. It isn't an error. The P1229, however, indicates a problem with the throttle body. Head over to the XK8 section there. I'm sure a lot of people will be able to help you.
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99xk8guy
XK8 / XKR ( X100 )
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Sep 29, 2025 10:51 PM
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