Q: follow up question to check engine light

asked by on

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
  1. Home
  2. Questions
  3. follow up question to check engine light

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

Get a quote

What others are asking

Q: Knocking sound from beneath the glove compartment

Behind the glove box is the cabin air filter, blower motor and AC mode actuators. Any of the mode control actuators, such as the blend or mode actuators, can cause the knocking noise when the gears inside them fail. A...

Q: Can my camshaft position sensor cause my stabilitrak to have issues?

Hi there. P0449 is a general OBD2 diagnostic trouble code indicating an issue with the EVAP vent control circuit, so it has nothing to do with exhaust. I would recommend reading this article to learn more about the causes of...

Q: 2011 Malibu starts and dies right away.

Hi there. It sounds like you have a fuel pump failing. What may be happening is the fuel pump runs for a few minutes, heats up, then shuts down. I've experienced this same condition in my history. I suggest having...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
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...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...