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07-17-2008, 07:08 PM
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#1 (permalink) |
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Join Date: Jul 2008
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O2 sensor
My name is Eric I am from Northeast MO, new to land rover and to this forum. Just bought an 03 disco SE7 59,000 the service engine light is on. codes PO134, PO135, PO155. Took it to autozone and replaced the O2 sensor under the driver side before the cat with a bosch. Autozone then cleared the codes they came back as mentioned above. Also I have both valve covers leaking just a little. Can anyone help
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07-17-2008, 07:38 PM
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#2 (permalink) |
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Moderator
 
Join Date: Aug 2004
Location: Parker, Colorado
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It is early to see so many 02 codes, what are the exact codes that came back?
As for the v/c gaskets, try tightening them a little them go power scrub your engine and see if the leak stops. Mike |
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07-17-2008, 07:44 PM
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#3 (permalink) |
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These are the codes that autozoe printed for me.
PO134 HO2S 11 circuit condition(heated oxygen sensor bank 1 sensor 1) PO135 HO2S 11 heater condition (heated oxygen sensor bank 1 sensor 1) PO155 HO2S 21 heater condition (heated oxygeh sensor bank 2 sensor 1) |
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