• Tiny
  • isjeh061654
  • 1999 Jaguar XJ8
  • V8
  • 2WD
  • automatic

Im reading Code 1646 and 1316 0161 and p0300 it idles rough and at 55 to 65 you can feel a small hesitation. Wherw do I start for repair. I changed spark plugs some coils.I have not changed any fuel injectors. I have 1999 xj8 4.2

Thursday, January 6th, 2011 AT 12:15 PM

1 Answer

  • Tiny
  • mhpautos
  • Expert
  • 29,839 posts

This is a set of emission and miss fire codes, I feel that there is a random misfire on bank 2 that is the set of cylinders opposite #1 cylinder, one code is O2 sensor bank 2 #2 so that sensor is giving a bad signal and not necessary faulty in it self, start with checking plugs, leads, injectors and vacuum leaks on the bank opposite #1 cylinder bank, start here.

Mark (mhpautos)

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Thursday, January 6th, 2011 AT 11:23 PM

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