1990 Jaguar XJ6 Check Engine Light

JAGUAR XJ6
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LORDSON
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  • 10 POSTS
I recently aquired a 1990 Jaguar XJ6 but it has a cicuit failure and check engine light on.the on-board computer told me fail37,fuel37.in the Jaguar manual that meant the EGR is the problem,what should I do now?
Jan 20, 2007 at 9:02 PM
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SERVICE WRITER
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  • 9,123 POSTS
While I have no Jag Experience. I can offer this: Egr valves on domestics can be removed and cleaned of the carbon. The egr passageways can also be ceaned out with intake cleaner , small brushes, pipe cleaners or other tools depending on the build up.
Jan 20, 2007 at 11:59 PM

Suggested Repair

Remove and clean carbon from the EGR valve, and clean the EGR passageways with intake cleaner and small brushes or similar tools.

Conversation Summary

The owner of a 1990 Jaguar XJ6 reported a circuit failure and check engine light, with on-board codes fail 37 and fuel 37. The Jaguar manual indicated an EGR problem. The expert, noting no Jaguar-specific experience, suggested removing and cleaning carbon from the EGR valve and cleaning the EGR passageways.

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