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I HAVE A 2003 JAGUAR X-TYPE 2.5 V6 SHOWING CODES P0171 AND P0174. ANY IDEAS?

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I HAVE A 2003 JAGUAR X-TYPE 2.5 V6 SHOWING CODES P0171 AND P0174. ANY IDEAS?

Vehicle: 2003 JAGUAR X-TYPE 2.5 V6 SPORT

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Left and right banks lean.  Check for air leaks,  vacuum lines,  under intake manifold.

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