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OBD2 Error Codes on ST220


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#1 matt_pc

matt_pc

    Learner STdriver

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Posted 09 October 2010 - 08:00 AM

I had the codes read in my car yesterday as the check engine light came on and it came up with the following codes

P1130 Lack of Upstream Heated Oxygen Sensor Switch - Adaptive Fuel Limit - Bank No. 1
P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1
P1150 Lack of Upstream Heated Oxygen Sensor Switch - Adaptive Fuel Limit - Bank No. 2
P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
P0174 System too Lean (Bank 2)

From what i can gather searching the web these are air/fuel problems with either a leak in a air hose or lambda/MAF sensor faults.

The car itself drives fine with no noticeable loss of power although it does have an uneven and lumpy tickover

Can anyone please shed anymore light on this please :L

#2 L11XXY

L11XXY

    IDS Services Available - Denso Navigation Specialist

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Posted 09 October 2010 - 04:54 PM

Check the rubber hose connection at the back right of the upper inlet manifold. The connector and the pipe that comes from it are prone to splitting and chucking up the codes you have listed.

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Live In Worcestershire, Herefordshire or Gloucestershire and need IDS programming or Diagnostics? Navigation Syste Recovery & repair / Bluetooth Reprogramming. PT or contact for more information. Alex 07955 406 446 - Updated Feb 13th 2014