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        General >> OBD Advice >> 8v codes
        
(Message started by: 5stud on Feb 28^th, 2009, 9:12pm)

Title: 8v codes
Post by 5stud on Feb 28^th, 2009, 9:12pm

i4 8v code no1405 and 1131 .am i right in asuming this is a old -slow lamba ??

Title: Re: 8v codes
Post by Tompion on Feb 28^th, 2009, 11:15pm

P1405 DPFE sensor Upstream hose off or plugged see here:
http://www.fordscorpio.co.uk/egrmonitor.htm

P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1.
Could be the sensor but may be an air leak, possibly linked to the other code have a read here:
http://www.fordscorpio.co.uk/ho2smonitor.htm

scroll down to section headed FRONT SENSOR SIGNAL

Dave

Title: Re: 8v codes
Post by 5stud on Mar 2^nd, 2009, 9:24am

thaks tompion.1405 it turnd out to be the ruber conecting pipe pointed out in the diagram.the other code seams to have been cured at the same time.is ther a diagram with pointing arrow fore all the codes published on the site??

Title: Re: 8v codes
Post by Tompion on Mar 2^nd, 2009, 9:39am

I don't know for certain, but can't remember seeing a diagram for all codes.
Keep an eye on the pipe if it comes off again it could mean a blocked cat/exhaust.