- Codes: # 08342, 04470 -Bank 1 system monitor too lean. Lower limit reached -Correction behind catalyst, B1 Lean control limit exceeded **Aftermarket catalytic converter was installed at a previous repair shop. Converter may cause issue with oxygen sensors or system
- -Introduce mineral oil to induction system to locate leaks in hoses or at fittings.
- Disassemble air intake ductwork to access and disconnect sensor. Apply specialized cleaner to free any dirt or debris from sensor and ports. Check for any wear or damage, reinstall mass air flow sensor and previous components
YVONNE K. gave our service a 5 star review on 8/18/2023