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  1. Range Rover Mark III / L322
    2 months ago, exhaust system dropped to replace all 4 O2 sensors. Minor crack observed and welded on driver side CAT. Past 2 weeks, started getting P0463 & P2A03 codes. The upstream sensors have been swapped between driver and passenger side and P2A03 code remains consistent (Bank 2, Sensor...
  2. Range Rover Mark III / L322
    Hello All.. last week the service engine light and all other lights went crazy in my 2004 Range Rover.. I took it to AutoZone and the machine showed codes P1171, P0463, and P1174. I also have other messages showing on the dash as well. Some type of HDC error and Air Suspension Error. Would...
  3. Range Rover Mark III / L322
    HELP truck goes bananas CEL and Codes p0463, p0120, p0121, p0221 I own this truck for 3 weeks. IT was running fine when I got it, I swear. I had to replace a missing gas cap. Thats about it. Yesterday I got out of nowhere "Engine Failsafe Program" on the binnacle. The truck went crazy...
  4. Range Rover Mark III / L322
    Service engine light popped up on my 2004 Range Rover. Had the codes read and P0463 and P1173 is shown. I am confused by the information I have read on these. Can someone break these down for me or maybe share with me what your issue was when you received the above codes? Thanks!
  5. Range Rover Mark III / L322
    My light came on and I checked codes (see title). What's interesting to me is that these codes seem unrelated, yet I found a previous post from 2009 where someone had the same three codes. Phil replied: "P0463 = Fuel tank level signal - Short circuit to battery P1170 & 1173 are the ‘usual’ LH...
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