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Old 29-10-2009, 05:07 PM
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Bob the Boss Bob the Boss is offline
Join Date: Oct 2009
Location: Madley in Herefordshire Uk.
Posts: 606
Smile Renault Megane 1.6 16v no y plate.

Customers complaint, codes for the 02 sensor heates, but the supply ground and resis: is ok, new 02 sensor did not fix.

First you need to check the 02 sensor supply with a scope, for spiks on the line.

If spikes are noted, check the coils, if ok check the plugs are the right type fitted.
Gibbins Motors Technology Uk
The more you know the less you know!!
Bob the Boss forum owner
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