What does failed smog mean?
If your vehicles smog check doesn’t pass, you have two choices: repairing the faulty components or stop driving your car. Your DMV registration can’t be renewed if your smog check fails. Now, your failed smog test might cost you in repairs.
Will a transmission code fail emissions?
Answer: The environmental protection agency (EPA) considers any problem which causes the check engine light to turn on, a smog check failure. Your vehicle might be experiencing a problem which is only transmission related, however since the check engine light is ON, it will fail the smog check.
What is OBD on smog check?
OBD stands for On-Board Diagnostics. An OBD emission test provides a more comprehensive picture of a vehicle’s emissions status because it evaluates emissions during everyday operating conditions whereas a tailpipe test measures emissions only at a particular moment in time.
When does a Toyota engine have a trouble code?
This trouble code is usually triggered when the O2 sensor in position bank 1, sensor 1 is bad or has faulty wiring. Replacing the sensor will almost always get rid of the code.
What to do if your coolant sensor is bad?
In most cases, the sensor or connections to it are bad, coolant is low, or the engine thermostat is faulty. Check the coolant first, then test the voltage of the sensor to narrow down is the problem is related to the sensor or the thermostat. This is a very common Toyota code.
What to do if your Toyota engine is not working?
Check the coolant first, then test the voltage of the sensor to narrow down is the problem is related to the sensor or the thermostat. This is a very common Toyota code. Try cleaning the throttle body and resetting the light, then waiting to see if it comes back before taking further action.
What does a bad MAF code mean on a Toyota?
The most common causes are a dirty air filter, dirty MAF or air filter housing, or faulty MAF. This code usually indicates a dirty or faulty mass air flow (MAF) sensor, or a vacuum leak downstream of the MAF sensor (perhaps in the PCV line or in the valve itself). This code can also signify a bad O2 sensor in bank 1.