my engine light has come on my clio 182 so checked it out and fault, bank 1 sensor 1, is showing. looked at previous threads and a lot of people suggesting its the pre cat sensor, only a lot of threads say that the performance of the car would be affected and there is defanitly no change in performance. could it be the post cat sensor or is 100% pre cat sensor?
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MicKPM
ClioSport Trader
Clio16v/Zoe Z.E.50
Bank 1, Sensor 1 is pre-CAT yes but is it the sensor itself or associated wiring? This is normally what a proper diagnostic session will tell you as at the minute its a 50/50 guess.
A faulty sensor doesnt always give a loss of performance; Maybe they're only faulty at a certain temp or range. Maybe its the heater element in the sensor at fault... or maybe its just the wiring thats touched the exhaust and has melted it and is triggering the light due to a short to earth/+
Investigate before you spunk the best part of £100 out.
Mick
A faulty sensor doesnt always give a loss of performance; Maybe they're only faulty at a certain temp or range. Maybe its the heater element in the sensor at fault... or maybe its just the wiring thats touched the exhaust and has melted it and is triggering the light due to a short to earth/+
Investigate before you spunk the best part of £100 out.
Mick
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