What can cause an emissions light to come on?

What can cause an emissions light to come on?

Most of the time, when an Emissions Light comes on, it is due to either a sensor or a problem with the exhaust gas recirculation valve. It is also possible that you have a vacuum hose that has become disconnected, or has developed cracks.

Why is my engine light on Acura TL?

Your check engine light – more commonly called the malfunction indicator lamp on Acura vehicles – will follow suit. That’s right, it might sound silly, but if your fuel filler cap is missing, a little crooked, or simply loose, your check engine light will come on. To fix it, simply retighten your gas cap.

What does check emission system mean on Acura TL?

An emissions related check engine light could be caused by a loose gas cap at the gas tank, or a leaking evaporative system charcoal canister under the hood. Likewise, something as simple as a malfunctioning fuel pressure regulator or throttle position sensor can cause fuel system havoc.

Why did the emission warning light go out on my Acura?

After about 3 restarts of the car around 2 days or so, the light went out and has not come back on since. If you received both warnings, the fuel cap and emmission systems check, than it very well might be just the fuel cap. The Acura dealer couldn’t check unless the emission warning light was on when I was at the dealer, and it wasn’t.

Are there any problems with the Acura TL?

But no matter how great any car is, they all have problems beneath the surface: some of them more annoying and troublesome than others. While the 4th generation TL is largely devoid of any major issues (except one), it does have a few other nagging problems that drive owners crazy.

What does the Acura AWD indicator light mean?

If the indicator light illuminates, it indicates that there is a problem with the VSA system and has it checked by an Acura mechanic. If the Super-Handling All-Wheel Drive (SH-AWD) indicator light illuminates, it means that the system is malfunctioning.

Why does the Acura airbag indicator light come on?

If the airbag indicator light comes On, it indicates that the Airbag system and seat belt tensioner is malfunctioning. Have a professional auto mechanic check your vehicle to make sure you are driving with the safety features of your Acura is functioning normally.

After about 3 restarts of the car around 2 days or so, the light went out and has not come back on since. If you received both warnings, the fuel cap and emmission systems check, than it very well might be just the fuel cap. The Acura dealer couldn’t check unless the emission warning light was on when I was at the dealer, and it wasn’t.

But no matter how great any car is, they all have problems beneath the surface: some of them more annoying and troublesome than others. While the 4th generation TL is largely devoid of any major issues (except one), it does have a few other nagging problems that drive owners crazy.

If the indicator light illuminates, it indicates that there is a problem with the VSA system and has it checked by an Acura mechanic. If the Super-Handling All-Wheel Drive (SH-AWD) indicator light illuminates, it means that the system is malfunctioning.

Why does my Acura MDX have a check emissions warning?

Finally took my car to the stealership and had them check it out. They determined the EGR valve was bad and changed it out. They also pulled the manifold and cleaned the air ports leading to it. They were confident their work would fix both the Check Emissions and SHAWD warnings. So far they seem to have been correct.