Catalytic converters can go bad and potentially plug the exhaust, hurting engine efficiency and performance.
Average mileage: 117,570 (100,021–141,000)
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Using oil and turned black. Sutt coming out tailpipe,valves rattling, loss of power and service light is on
bad backpressure on my motor.removedandreplaced cov\nvertorit wasplugged80 percent.fixed theproblem