Q: follow up question to check engine light
check engine light is on - on-star operator ran a test said the reason was emissions system issue - i posted that question last week on this site and mechanic Jay said i need to get the trouble code- after having the car diagnostic test ran i was given *P0412 Secondary Air Injection System switch valve A circuit * what is this and what is the cost to have this matter fixed ? thank you
The statements expressed above are only for informational purposes and should be independently verified. Please see our
terms of service
for more details
Get an instant quote for your car
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
What others are asking
Where is the auxiliary jack located?
Your audio system is pretty advanced, even if your car doesn’t have the multi-information display. It’s capable of playing music from another source – all you have to do is connect the other device with a cable to the auxiliary...
Engine knock
Engine can be caused many things. Depending on the exact nature of the knock, the problem can range from a simple need to higher octane fuel, to more serious problems such as engine damage. I would recommend having a professional...
Car has no power - 2006 Chevrolet Impala
Hello there, many faults will cause your 2006 Chevy Impala to have a lack of power. Without knowing what parts were replaced or the codes that the car had I am only able to provide a general answer. The most...
My blower motor is bad, should i replace the resistor also?
Hello. We do suggest that you replace the resistor at the same time. It may not be critical, but this will keep the system more uniform. The issue may even be related to the resistor. If you know that it...
Battery light coming on faintly after installing new alternator
Hi there. Have you had the battery tested? Use a digital battery tester that provides current voltage, cold cranking amps, and state of health. Any corrosion on the terminals? This could present an opportunity for electrical disturbances and create concerns....
My battery is dead and I lost my keys. What can I do. 2003 Jeep Grand Cherokee
Hello. If your battery is dead and you have lose your keys then both of these issues will need to be addressed together. The battery issue will need to be taken care of first. Either it will need to be...
i have 2016 Toyota Yaris, for how many KM i need to change the Gear Box Oil in routine ?
Hi there. If you download our mobile app, you can set up an automatic updates when all services are due. However, if you live outside the United States, we're not able to provide you with repair or maintenance solutions. You...
What is the name of the hose that is on the top of the fuel filter that it's connected to?
The inline fuel filter has 3 lines all combined in the area. The supply hose is connected to the fuel filter. The return hose is connected to the top of the fuel tank. The vapor return hose is connected to...
White smoke
White smoke coming from the exhaust often times indicates a potentially failed cylinder head gasket. Since this impacts the compression in each cylinder, any loss of compression will result in the jerking or hesitation in acceleration you are describing. A...
Related articles
A Buyer’s Guide to the 2011 Dodge Nitro
While While the Nitro shares some typical crossover features with competitors like the Equinox and even Dodge’s own Journey and Jeep Liberty, what it doesn’t share is typical conservative styling. This boxy beauty (or beast, depending upon your point of...
A Buyer’s Guide to the 2012 Chevrolet Silverado Hybrid
If If you’re looking for a half-ton pickup truck that also gets great gas mileage, look no further than the 2012 Chevrolet Silverado Hybrid. While it has the towing and carrying capacity you’d look for in any regular truck, it...
The Best Used Cars to Buy If You Have Limited Mobility
When When you have limited mobility there are a number of challenges you face, one of these can be with your vehicle. Finding a car that meets your specific needs, and addressing your challenges can mean the difference between being...
Browse other content
Maintenance
Cities
Services