96 850R lambda light

johnt850r · Nov 18th, 2019, 10:43

Light on
Car running perfectly
Sensor replaced
Nothing shown on full diagnostics

Need to get it through CT (French MOT)

Any ideas that I might do myself or point a French garage at please?

Cheers

Cookeh · Nov 18th, 2019, 12:23

Lambda lights frequently come on as a result of vacuum leaks, most definitely worth a check. The turbo ones do go but can be very hard to view properly due to access.

johnt850r · Nov 18th, 2019, 13:12

Thank you for the tip
My problem is I live in France and there doesn’t seem to be a lot of knowledge re Volvo here

Cookeh · Nov 18th, 2019, 15:13

Very easy to check and even replace yourself, luckily. Vacuum diagrams are widely available with a quick Google, then all you need to do is follow those checking the condition of the lines. If bad, buy new vacuum tubing and replace it

dingov70 · Nov 18th, 2019, 19:06

Try & borrow a smoke machine , it will very very quickly demonstrate where & if a leak or leaks are there . An LED torch is very useful to find the smallest whiffs of smoke

Nov 18th, 2019, 10:43	#1
johnt850r Member Last Online: May 27th, 2022 02:22 Join Date: Dec 2002 Location: Ashford	96 850R lambda light Light on Car running perfectly Sensor replaced Nothing shown on full diagnostics Need to get it through CT (French MOT) Any ideas that I might do myself or point a French garage at please? Cheers __________________ 850R Estate auto XC90 D5 Porsche911

Nov 18th, 2019, 12:23	#2
Cookeh Premier Member Last Online: Sep 14th, 2022 17:04 Join Date: Jan 2018 Location: Derbyshire	Lambda lights frequently come on as a result of vacuum leaks, most definitely worth a check. The turbo ones do go but can be very hard to view properly due to access. __________________ 1995 Volvo 850 T5 Estate (Manual)

Nov 18th, 2019, 13:12	#3
johnt850r Member Last Online: May 27th, 2022 02:22 Join Date: Dec 2002 Location: Ashford	Thank you for the tip My problem is I live in France and there doesn’t seem to be a lot of knowledge re Volvo here __________________ 850R Estate auto XC90 D5 Porsche911

Nov 18th, 2019, 15:13	#4
Cookeh Premier Member Last Online: Sep 14th, 2022 17:04 Join Date: Jan 2018 Location: Derbyshire	Very easy to check and even replace yourself, luckily. Vacuum diagrams are widely available with a quick Google, then all you need to do is follow those checking the condition of the lines. If bad, buy new vacuum tubing and replace it __________________ 1995 Volvo 850 T5 Estate (Manual)

Nov 18th, 2019, 19:06	#5
dingov70 Master Member Last Online: Today 06:48 Join Date: Jan 2015 Location: Blackpool	Try & borrow a smoke machine , it will very very quickly demonstrate where & if a leak or leaks are there . An LED torch is very useful to find the smallest whiffs of smoke __________________ To stupidity & beyond

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