I have an 02 3.0 stick shift with 67,000 miles on it. It does have the Jaguar extended warrenty up to 100,000. The other day the car went into "limp mode" and and the yellow engine light came on. I braught it to a freind of mine to see what the code was and to clear the trouble light on the dash. About 2 days later it did it again and has done it a total of 4 times now! I have 2 questions... Is this something the dealer will cover under warrenty? Is it an easy fix?

The 3 codes that came up are as follows:
P-0171 Lean Bank 1
P-0174 Lean Bank 2
P-1638 T.P. Stuck ( I think Temporary Throttle stuck but not sure.) Anyone else know?

Thanks for any of your help that you may have!
Stephen