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post #1 of (permalink) Old 18th March 2006 Thread Starter
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Red face high emissions

I have a 1996 (S reg) 1600 RN Renault Megane Scenic. It has just failed it's MOT re-test for the same problem which is high emissions. The garage have had the car for a week now and are no nearer to finding the problem. All tests have come back negative to there being any problem with the sensors, exhaust or catalytic converter. The mechanics have taken the sensors off, cleaned them and checked the wiring, plugs have been checked and they've given the car a good run to clean out the exhaust, all to no avail. I've now been told that despite the fact that there is no warning light and the computer tests have come back negative to there being a problem I have no option but to replace the CAT. Has anyone got any ideas as to what may be the problem?
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high emissions Cars & motoring Oilyrag 6 1421 18th March 2006 04:21 PM
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