Did Your Vehicle Fail the Smog Test?

Smog Test Repair

That's okay, you are in good hands at De Anza Auto Repair. 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. De Anza Auto Repair in Sunnyvale 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. At De Anza Auto Repair in Sunnyvale 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
Come to De Anza Auto Repair in Sunnyvale to 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. De Anza Auto Repair in Sunnyvale can repair troublesome leaks or cracks in your vehicle's vacuum hoses, seals or gas cap.

Worried About the Cost of Smog Check Repairs?

Apply for Consumer Assistance, this is a program offering income-eligible consumers assistance toward emissions-related repairs at STAR test-and-repair stations if their vehicle fails its biennial Smog Check inspection.
Talk to the pro mechanics at De Anza Auto Repair about starting a maintenance plan. Regular maintenance can reduce smog check failures and high-cost auto repairs in the future.

Discover More About Exhaust Repair Services At De Anza Auto Repair in Sunnyvale

Machine Work
Emissions And Smog Testing
Discover more about Smog Check, Testing & Repair

Testimonials

John and April and the Staff . Where very Pleasant to Do Business with. I Came in there in a Emergency . Because of my right Window wouldn't Roll Up. And they Took me in Right away. Being Iam from Out of Town. That's The Best Service I could have Got on short Notice. And They Also fixed My Head Lamp. I Couldn't be Happier. They Deserve a 10 star Rating. I will definitely let all my Friends and family know about this Place. My Son and Grand Kids. Live in the Area. And I will definitely. Go there for all my Auto Repair Needs. Thank you and God Bless.

~ Lea A.