Catalytic Converter Repair in Cotati
Expert catalytic converter diagnosis, repair, and replacement. Pass emissions tests and restore engine performance.
When Cotati drivers need professional catalytic converter repair, they trust Rohnert Park Transmission & Auto Repair. Our family-owned shop has been providing exceptional automotive services to the Cotati community since 1990. With a quick 5 minutes drive from Cotati to our state-of-the-art facility, we make it convenient for residents near La Plaza Park (Hexagonal Plaza) to get quality catalytic converter repair. Our experienced technicians use the latest diagnostic equipment and genuine parts to ensure your vehicle gets the care it deserves.
Need Immediate Service?
Need service today? We accept walk-ins and offer same-day appointments for most services. Call (707) 584-7727 to check availability.
Why Cotati Drivers Choose Us
Trusted catalytic converter repair serving the Cotati community
Convenient to Cotati
Just 5 minutes from La Plaza Park (Hexagonal Plaza) - easy access via US Highway 101.
35+ Years Experience
Family-owned and operated since 1990, serving Sonoma County with integrity.
ASE-Certified Technicians
Our mechanics undergo continuous training to stay current with automotive technology.
Honest Pricing
Upfront estimates with no hidden fees. We explain exactly what your vehicle needs.
Catalytic Converter Repair Specialists
Expert diagnostics and repairs using professional-grade equipment.
Quality Parts
We use OEM and premium aftermarket parts backed by warranty.
Same-Day Service
Most repairs completed while you wait. Drop-off and pickup available.
Free Diagnostics
Complimentary inspection with repairs to identify all issues upfront.
Serving Cotati
We understand the unique needs of Cotati drivers and their vehicles.
Customer Reviews
4.8-star rating with hundreds of satisfied customers across Sonoma County.
Our Catalytic Converter Repair Services Include
Warranty Protection
All repairs backed by our satisfaction guarantee and comprehensive warranty coverage.
Common Catalytic Converter Repair Issues We Fix
Check Engine Light P0420/P0430
Catalyst efficiency below threshold codes indicate failing converter.
Failed Emissions Test
High emissions readings from worn or damaged catalytic converter.
Rotten Egg Smell
Sulfur smell indicates catalytic converter not processing exhaust properly.
Reduced Engine Power
Clogged converter restricts exhaust flow causing power loss.
Rattling from Exhaust
Broken catalyst substrate rattles inside converter housing.
Catalytic Converter Theft
Stolen converter requires replacement to restore emissions compliance.
Pricing & Service Time
Get Your Free Quote
(707) 584-7727Free diagnostic with most repairs. Upfront estimates with no hidden fees. We explain exactly what your vehicle needs before we begin work.
Fast Service
Most services completed same-day. Drop-off and pickup available for your convenience. We respect your time and get you back on the road quickly.
Serving Cotati & Surrounding Areas
Cotati residents trust us because we're part of the same community. With a population of 7,584, Cotati deserves a local auto repair shop that puts customers first. Located just 5 minutes away, we've built relationships with families throughout Cotati, near La Plaza Park (Hexagonal Plaza), Cotati Speedway, Laguna de Santa Rosa, and beyond.
Directions from Cotati
From Cotati, take US-101 South for just 2 miles. Take the Rohnert Park Expressway exit and turn right. Our transmission and auto repair shop is located on the left side within 5 minutes of downtown Cotati.
Near These Cotati Landmarks:
Ready for Expert Catalytic Converter Repair?
Schedule your catalytic converter repair today and experience the quality that keeps Cotati residents coming back.
Serving Cotati, Rohnert Park, and all of Sonoma County