90 Degree Check Engine Light Eliminator O2 Sensor Adapter with Mini CAT Fix P0420 Error Code Euro 5 standard BMW Turbo Chargers 6������Adjustable fuel regulation from 4-1/2

6������Adjustable fuel regulation from 4-1/2 to 9 psi

This adds to fuel economy and also aids in boosting horsepower

2015-2015 For AUDI A4 PRESTIGE SEDAN 4-DOOR

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90 Degree Check Engine Light Eliminator O2 Sensor Adapter with Mini CAT Fix P0420 Error Code Euro 5 standard BMW Turbo Chargers 6������Adjustable fuel regulation from 4-1/2Why do you need to replace the oxygen sensor? 1. A worn out oxygen sensor can cause excessive gasoline consumption, elevated exhaust emissions, accelerated catalytic converter damage failures, and cause engine performance problems. 2. If your state has vehicle inspection programs to regulate emissions, a faulty CEL, and O2 light will not allow you to pass the inspection. 3. A practical solution to solve the problem of P0420 P0042 P0430 fault codes.