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The mkiv Supra Owners Club

Running too rich


Markie

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Plugs sooty, and watching exhaust while car running on my concrete drive way I can see the exhaust gas has a slight black colour to it.

 

Is there anything that can be done to stop the soop running so rich? Replace LAMBDA sensor maybe?

 

Sensor on mine though only been changed in April and done about 3000 miles.

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