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11<br />
NEWS<br />
VXPRO LAMBDA SENSORS<br />
First fitted to passenger cars in the 1970s, to<br />
improve the engine’s combustion efficiency<br />
and reduce exhaust emissions, the lambda<br />
sensor is now a key component within the<br />
engine management system.<br />
In order to operate efficiently, an internal combustion<br />
engine requires the correct ratio of air and fuel in its<br />
cylinders during the combustion process, the ideal –<br />
known as lambda – being 14.7 parts air to 1 part fuel<br />
for a petrol engine and 14.5:1 for a diesel.<br />
Lambda sensors operate by measuring the amount of<br />
oxygen in the exhaust, to allow the engine management<br />
system to make the necessary adjustments to remain as<br />
close as possible to the mixture ideal.<br />
So precise have these measurements now become,<br />
that many vehicles feature several lambda sensors<br />
situated in the exhaust system, both before and after<br />
the catalytic converter.<br />
As global emissions standards have become ever<br />
more stringent, the variety and complexity of lambda<br />
sensors has increased accordingly and now includes<br />
zirconia, titanium, planar and wideband.<br />
<strong>The</strong> growth in their use has led to an explosion in the<br />
necessary part numbers to cater for the huge variety<br />
of applications for which they are now required. This<br />
makes holding the correct stock profile a complicated<br />
and potentially costly exercise.<br />
Naturally, the lambda sensors offered by ELTA<br />
Automotive, through its growing VXPRO brand,<br />
conform to strict matching original equipment<br />
specification, to provide workshops with the quality<br />
replacement sensors they need on a daily basis.<br />
However, what really sets the range apart is the<br />
attention the ELTA team has put into reducing the<br />
number of parts it offers, while maintaining the vehicle<br />
coverage on which the independent sector relies.<br />
This masterstroke has been achieved by<br />
concentrating on the length of the cables, which is the<br />
defining characteristic that results in the need for so<br />
many part numbers.<br />
By retaining the matching OE sensor/connector<br />
combination and ensuring the cable is always equal<br />
to or slightly longer than the OE part, but never with<br />
more than 300mm excess length, the ELTA team has<br />
consolidated the VXPRO range to maintain the same<br />
vehicle coverage, from a fifth of the part numbers!<br />
For more information concerning VISIONPRO or<br />
VXPRO, or any of the other brands within the ELTA<br />
Automotive product range, please call: 01675 466999,<br />
email: sales@elta.co.uk or visit: www.elta.co.uk<br />
10, 11 News.indd 2 04/02/2019 10:32
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