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2004 GT3 Check engine light


Vehicle Information: Model: GT3; Year: 2004; Body Type: Coupe; Total Mileage: 8319;

Joel,Check engine light came on after about 1.5hrs of highway driving. I was able to drive the car home and the only issue was that the car stumbled and had no power under load. I checked the codes and retrived P1125,P1126,P1132 & P1133. All are for oxygen sensing issues. I parked the car overnight and took it for a drive. The engine seemed fine(power wise)after about another 1/2 hr of driving the hesitation and lack of power returned. I know of at least 3 fellow GT3 owners that also track their cars who have had catalytic converter failures. Do these codes suggest cat failures?

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