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Warning light..exhaust gas is illuminated on my megane alize 1.6 what…

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the warning light for monitoring...
the warning light for monitoring exhaust gas is illuminated on my megane alize 1.6 what's wrong?
Submitted: 8 years ago.Category: UK Car
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Answered in 6 minutes by:
6/27/2010
UK Auto Mechanic: Robert, UK Car Mechanic replied 8 years ago
Robert
Robert, UK Car Mechanic
Category: UK Car
Satisfied Customers: 4,750
Experience: Fully qualified / self employed garage technician in the UK
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Hi.

 

Does the car have any signs of performance problems or miss-fire etc.since this light has come on?

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Customer reply replied 8 years ago
no loss of performance or miss firing
UK Auto Mechanic: Robert, UK Car Mechanic replied 8 years ago

Ok..

 

One of the reasons for the exhaust gas warning light to come can be down to exhaust gases either outside its normal parameters ie: running to rich or too weak..and can be down to the lambda sensor on exhaust at fualt...If its overfuelling then that can damage the cat converter through time.Uusally an emmssion test can verify any change in emissions or since the light is on they could try hooking the car upto a sutibale diagnostic machine to retrive any possible stored fault code to verfiy the fualt further..

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