Skip the auto shop - Our mechanics make house calls

Q: Took for smog test and fail said that it was supposed to be 430 but was 469. What do I do to fix it?

asked by on

I've replaced all hoses distributor power steering pump O2 sensor upper left drove around did everything for the past two weeks and it failed

My car has 150000 miles.
My car has an automatic transmission.

A: Generally, when the car fails a smog test, ...

Generally, when the car fails a smog test, the smog shop will give you a print out and tell you what specifically caused the failure. Some common causes for failing these tests are faulty O2 sensors, bad catalytic converters, vacuum leaks or rich fuel conditions. You may want to consider having an expert from YourMechanic come to your home to diagnose your car and determine what may have caused the failure and make necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: The smart key can turn the ignition but can't start the car

Hi there. It appears that the issues you're experiencing may be caused by the ignition lock cylinder. In some newer vehicles (made after 2000) this part has multiple springs inside the cylinder that allows you to press the key forward...

Q: Car won't pass smog.

The path to pass emissions will depend on what part of the emissions test (carbon monoxide (CO), oxides of nitrogen (NOx) or hydrocarbon (HC) levels) were out of tolerance. There are different components, and tuning/repair activities required to address each....

Q: Bad battery in car.

Hi there. If the engine is not cranking over then the most common issue is the battery. Your battery would need to have a load test done to verify if it has failed. If the battery is fine and it...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...