Skip to Content
11780 N 91st Ave # 8 Peoria, AZ, 85345
  • MON: 8:00AM - 5:00PM
  • TUES: 8:00AM - 5:00PM
  • WED: 8:00AM - 5:00PM
  • THUR: 8:00AM - 5:00PM
  • FRI: 8:00AM - 5:00PM
  • SAT: Closed
  • SUN: Closed
MORE >
  • Instagram
  • Google Business Profile
525 E Dunlop Ave Phoenix, AZ, 85021
  • MON: 8:00AM - 5:00PM
  • TUES: 8:00AM - 5:00PM
  • WED: 8:00AM - 5:00PM
  • THUR: 8:00AM - 5:00PM
  • FRI: 8:00AM - 5:00PM
  • SAT: Closed
  • SUN: Closed
MORE >
  • Instagram
  • Google Business Profile
1937 E Broadway Rd Mesa, AZ, 85204
  • MON: 8:00AM - 5:00PM
  • TUES: 8:00AM - 5:00PM
  • WED: 8:00AM - 5:00PM
  • THUR: 8:00AM - 5:00PM
  • FRI: 8:00AM - 5:00PM
  • SAT: Closed
  • SUN: Closed
MORE >
  • Instagram
  • Google Business Profile

Did Your Vehicle Fail the Smog Test?

Smog Test Repair

That's okay, you are in good hands at Mad Hatter Mufflers & Brakes. We will complete any needed repairs and reinspect your vehicle.

The 4 Most Common Smog Check Repairs:

Bad O2 Sensor Replacement

If your oxygen sensor malfunctions it cannot properly monitor the exhaust and may cause overheating and loss of engine power and the release of toxic emissions. Mad Hatter Mufflers & Brakes in Phoenix can help you replace your O2 sensor quickly and get you back on the road fast.

Bad Fuel Metering Adjustment

Proper air-fuel measurement prior to mixing is necessary for a smooth-running engine. Most drivers discover their vehicles has a fuel metering problem when the "Check Engine Light" is displayed. We have state of the art computer programs that identify the exact check engine light diagnostic code and quickly complete the appropriate repairs.

Rich Fuel Mixture Adjustment

Our shop can help you determine if your vehicle is putting out high levels of carbon monoxide due to a lack of oxygen in the combustion cycle. This can happen because of a faulty MAF sensor or oxygen sensor or because of leaking fuel injectors.

Faulty EVAP System Part Replacement

EVAP (Evaporative Emission Control System) problems occur when your vehicle is leaking gasoline vapors into the air. Our expert technicians can repair troublesome leaks or cracks in your vehicle's vacuum hoses, seals or gas cap.

Worried About the Cost of Smog Check Repairs?

associations

  • AAA (American Automobile Association)
  • ASE (Automotive Service Excellence)
  • Jasper
  • ASE Master Technician
  • ASA Member (Automotive Service Association)
  • Magnaflow
  • Flowmaster
  • BG Products
  • Walker
  • Car Care Aware
Background image

WHAT OUR CUSTOMERS SAY

This place was awesome!!! They helped me get the sound I wanted out of my Camaro. Thank you so much. I recommend them to anyone looking to upgrade their exhaust system. , 05/22/2020

Mad Hatter Mufflers & Brakes

Mad Hatter Mufflers & Brakes 11780 N 91st Ave # 8 Peoria, AZ 85345 623-878-0292
Mad Hatter Mufflers & Brakes 525 E Dunlop Ave Phoenix, AZ 85021 602-277-2576
Mad Hatter Mufflers & Brakes 1937 E Broadway Rd Mesa, AZ 85204 480-835-0888

Ask any car or truck owner in Phoenix who they recommend. Chances are they will tell you Mad Hatter Mufflers & Brakes.