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Discussion Starter · #1 ·
98 Z3 1.9 can anyone tell me if a bad catalytic converter will cause serious loss of power when the engine heats up.the ceramics are rattling around in the cat.
the car drives like a dream for about 20 miles,then its like the handbrake was on.its like a serious starvation of air or fuel.no lights showing on engine management.thanks in advance for any help
 
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