Check Engine Light? Fix P0420 / P0430 Trouble Codes
Catalytic converter & emissions repair by ASE Master Certified technicians. Nevada DMV 2G Certified Smog & Repair Station.
What Do P0420 & P0430 Codes Mean?
If your check engine light is on with code P0420 (Catalyst System Efficiency Below Threshold – Bank 1) or maybe P0430 (Bank 2), it usually means your catalytic converter isn’t working as it should. This can cause:
- Failed smog inspection
- Lower fuel efficiency
- Poor performance
- Risk of engine damage if ignored
Don’t risk it! We’ll fix it right the first time.
Why Choose A+ Automotive and Smog?
- ASE Master Certified Technicians – proven expertise in emissions, engine repair, electrical, and diagnostics
- Nevada DMV 2G Certified – state authorized smog test & repair station
- Honest Diagnostics – we confirm the real issue before replacing parts
- Warranty on Repairs – 2 year / 24,000 mile parts and labor warranty on most repairs
How It Works
“Fast & Easy Service”
- Call, text, or request an appointment online
- We diagnose your vehicle & confirm the issue
- Same-day repair & you’re back on the road
Have a question? Need a quote?
Life is hectic and it can be hard to find time to get vehicle service pricing. Feel free to message us with your needs and we'll make sure to text or email you back with a service quote! No phone call needed!