2001 Jaguar XKR HESITATION

2001 JAGUAR XKR
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JEAN-YVES
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Engine Performance problem
2001 Jaguar XKR V8 Two Wheel Drive Automatic

hello my jag has a hesitation on hard accelaration from a stop the engine light is on and some time the restricted performance comes on some time.
May 16, 2010 at 7:48 PM
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RASMATAZ
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Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.
May 16, 2010 at 11:11 PM
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JEAN-YVES
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WELL DID BRING IT TO GARAGE THEY CHANGE FUEL FILTER AND THE CODE READING SHOWED TWO CODES FIRST ONE PO171 THEY SAID BANK 1 LEAN, THE SECOND CODE SAID PO174 BANK 2 LEAN CAN SOMEONE HELP ME BY SAYING WHAT I HAVE TO DO THANKS.
May 18, 2010 at 5:47 PM
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RASMATAZ
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Lean fuel condition could be caused by one of the following below:

1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
May 18, 2010 at 8:27 PM