P0400, p0420 & p0430

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10-15-2013, 01:01 PM

bigreguk

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P0400, p0420 & p0430

97 XJ6 143k.

Any advice on this situation, im guessing they are all related.

Changed out 3/4 O2 sensors about 18 months back.

Has a new MAF.

thanks,

Reg

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10-15-2013, 02:43 PM

70z28

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Hi google search the codes that should help

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