Comments on: i have a renault scenic 1.4 engine check light has come on with check emission?

By: Stephen

Stephen — Tue, 27 Oct 2009 04:07:59 +0000

Hi as above, although it is normally referred to as a toxic fume or Lamda sensor. These measure emissions going through your exhaust. It may not need replacing, sometimes carbon deposits build up on it causing it to monitor incorrectly, so all it may need is a clean. Good luck
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By: accomacgeo

accomacgeo — Tue, 27 Oct 2009 03:47:59 +0000

this is probaly a o2 sensor to be sure go to the nearest advance auto or autozone and get a free dianostic you can;t go wrong free free
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By: Spliff08069

Spliff08069 — Tue, 27 Oct 2009 03:01:59 +0000

Probablly just the O2 sensor
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