S40: - 1998 Fault Code Help Please

bar72 · May 6th, 2012, 17:47

hi all, any ideas what's causing these codes, i assume both O2 sensors need replacing? DSA seems fine when driving, the light flickers occasionally under load.

Assuming i need an ABS sensor for the offside rear caliper?

thanks in advance..

Clan · May 6th, 2012, 17:54

Just change the rear sensor first , i have found it can affect the front signal .
Check the 12v feed to the rear lambda probe heater first though .

gatos · May 6th, 2012, 17:55

DSA would most probably be faulty ABS sensor

With regards to the O2 sensors, it could be that the sensors could be faulty. You can try cleaning them and see if anything changes. Also, try resetting the codes, drive the car around and rescan again to see if any of the codes come up again

bar72 · May 6th, 2012, 18:29

thanks guys

May 6th, 2012, 17:47	#1
bar72 Member Last Online: Jul 27th, 2014 17:59 Join Date: Dec 2011 Location: Cupar View Photos By: bar72	1998 Fault Code Help Please hi all, any ideas what's causing these codes, i assume both O2 sensors need replacing? DSA seems fine when driving, the light flickers occasionally under load. Assuming i need an ABS sensor for the offside rear caliper? thanks in advance..

May 6th, 2012, 17:54	#2
Clan Experienced Member Last Online: Today 11:25 Join Date: Jun 2007 Location: L/H side	Just change the rear sensor first , i have found it can affect the front signal . Check the 12v feed to the rear lambda probe heater first though . __________________ My comments are only based on my opinions and vast experience .

May 6th, 2012, 17:55	#3
gatos Premier Member Last Online: Nov 15th, 2022 21:34 Join Date: Apr 2010 Location: London / Essex	DSA would most probably be faulty ABS sensor With regards to the O2 sensors, it could be that the sensors could be faulty. You can try cleaning them and see if anything changes. Also, try resetting the codes, drive the car around and rescan again to see if any of the codes come up again __________________ Current car: 2002 S40 1.9D, 1992 240SE Nullius in Verba

May 6th, 2012, 18:29	#4
bar72 Member Last Online: Jul 27th, 2014 17:59 Join Date: Dec 2011 Location: Cupar View Photos By: bar72	thanks guys

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