Why is the Check Engine light on and avoid costly?
Secondly, when you turn on the ignition without starting the engine, all the panel lights light up temporarily as a test, so you can see they all are working. You will not pass inspection if the light is not off. That is accomplished by clearing the codes from the computer. But to pass inspection, the computer also has to show a ” ready status .”
What does several trips on Check Engine mean?
“Several trips” means that you shut off the engine and start another trip. So it’s not just 100 miles in one trip. It’s more like making three trips of about 30 miles each. Then connect the scanner again and read the System Status to see if the “Not Ready” condition is gone for all codes that you had cleared.
What does the Diagnostic Code on the Check Engine light mean?
A specific diagnostic code indicates which sensor reported the problem. These codes are known as the OBD-I and OBD-II codes, but more on that in a moment. Your car has sensors for many components. Most are related to emissions control (see below for more about the tire pressure warning light on newer cars).
How can I tell if my mechanic is telling the truth?
With his engineering background, Glenn Stok is skilled at solving technological problems, which has helped him save money on car repairs. If your “check engine light” is on and your mechanic says you need some expensive repair, there is an easy way for you to check if he is telling the truth.
When does the Check Engine light come on and go off?
The check engine light often comes on and goes off after a while. Any time I notice it whiles driving, I park and close the fuel tank well but the light doesn’t go off. Sometimes I restart the car but it still won’t go off. It goes off on it own and comes back after some time.
Where do I find the trouble code on my Check Engine?
Once you see the check engine light illuminate on your dash panel, you can retrieve the trouble codes. On pre-1996 vehicles, you’ll find different procedures to retrieve the codes. With some models, for example, you can use a code reader—available at most auto parts stores—or an analog voltmeter.
How to read your check engine light with fix finder?
Borrow an OBD reader to get a Check Engine Light reading with the AutoZone Free Fix Finder Service. It’s a simple task that takes less than two minutes. Follow these directions carefully. If you’re unsure or unable to execute any of these steps, an AutoZoner will gladly recommend a shop nearby. Make sure you’re being safe.
What does a 02 mean on a check engine light?
For example, a “02” means the computer detected low input in the mass air flow sensor circuit. Once you see the check engine light illuminate on your dash panel, you can retrieve the trouble codes. On pre-1996 vehicles, you’ll find different procedures to retrieve the codes.