PORSCHE BOXSTER 987S 3.2L
Engine management light on, fault code stored for catalyst efficiency below threshold. Recommended by dealers to replace catalytic converters.
The fault was cured by adding 4 x Advanced Formula Gas Treatment to the fuel tank and carrying out an extended road test.
Thanks to Paul at P S R Automotive in Bishops Stortford, Hertfordshire.
The Cayenne Diesel is powered by a 3.0-liter V6 turbo diesel engine, delivering 240 horsepower and 406 lb. ft. of torque from as low as 1,750 rpm.
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