Aston Martin V12 Vantage

EXHAUST CATALYST LAMBDA OXYGEN HEGO SENSOR ASSEMBLY

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NEW GENUINE ASTON MARTIN

EXHAUST CATALYST LAMBDA OXYGEN HEGO SENSOR ASSEMBLY - TOP/ PRE CAT

GREEN CAP

NUMBER 13 ON PICTURE FITS BEFORE THE CATALYSTS AT TOP OF MANIFOLDS

SOME MODELS 2 REQUIRED (1 PER MANIFOLD) OTHERS 4 REQUIRED (2 PER MANIFOLD) - PLEASE CHECK OR EMAIL IF NOT SURE

FITS ALL YEARS AND MODELS

Lambda sensors operate by measuring the amount of oxygen in the exhaust
The levels calculated by the lambda are sent as data to the ECU which then calculates and determines how best to achieve the ideal mixture of air and fuel at combustion
Whilst the pre-cat lambda sensor communicates to the ECU regulating the air/fuel ratio;
the post-cat lambda sensor performs a diagnostic role, monitoring the catalytic converter
Before a vehicle fails an emission test or the engine check light appears, drivers may notice increased fuel consumption and/or a rough idle
Many lambda sensor failures will simply be a result of age
The lambda sensor operates in extremely high temperatures so damage to the heater element of the sensor is the most frequent fault, along with vibration/damage and contamination
Garagewire January 2020

Condition: NEW
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Price: £124.34

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