2002 Jaguar X-Type 02 sensors

  • 2002 JAGUAR X-TYPE
  • 6 CYL
  • AWD
  • 163,000 MILES
I had a diagnostic done and it came up with po 133 bank 1 sensor 1 o2 sensor slow response; po153-bank 2 sensor 1 o2 sensor slow response; po171B-bank 1 too lean; po174B-bank too lean. The garage wanted to charge me $ 350 a piece for the sensors plus about 1000 in labor because they said it was hard to get to the sensors. I have seen sensors online for 40 dollars. What type of 02 sensor do I need? 1, 2 or 3 wire? It should NOT cost this much for 02 sensors should it?
Thursday, August 27th, 2009 AT 7:24 PM

1 Reply

  • 11,533 POSTS
I highly doubt it is the o2 sensors causing that. For both sides of the engine to give lean codes, (P0171, P0174) it has a vacuum leak, low fuel pressure or a faulty Mass Airflow Sensor (MAF). The vacuum leak will be in the main intake area, common to both sides of the engine, like a bad PCV grommet or cracked intake boot betweem the airbox and the throttle body. Those use alot of Ford parts, and they have alot of issues with MAF sensors going bad as well. The odds of 2 o2 sensors going bad at the same time are pretty slim. You may want to find a shop that is more familiar with Jag's
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Friday, August 28th, 2009 AT 7:49 AM

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