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#1
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04 X5 Lean Codes
I'm getting the following codes. P2187 Too Lean at Idle bank 1 P2179 Too Lean Idle Bank 2 P0040 Oxygen sensor signals swapped Bank 1 Sensor 1, Bank 2 Sensor 1 I've put a new fuel filter in and tested fuel pressure and checked out fine. No vacuum leaks that I'm aware of. That one code says that the O2 sensor wires have been swapped not sure whats going on there as the wires haven't been touched. What should be the next thing to be replaced? Both upstream O2's?? |
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#2
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The erorrs say specifically that the wires to the pre cat O2 sensors are swapped.
Swap the connectors, clear the codes and see if any come back
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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Swapped them and it ran worse. I’m putting in new O2’s tomorrow.
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#4
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I wasn't positive which was bank one v two so I unplugged one to force an error and determine positively Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#5
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Quote:
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#6
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I put two new CCV's on top of the valve covers. Does the N62 have the one on the back of the engine as well?
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