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Check Engine Light
The check engine light comes on in a car when the engine is experiencing a problem. Ask questions here about your car's check engine light.
7,238 Questions
You can borrow, rent or buy a code scanner from many auto parts retailers, such as Checker Auto, Auto Zone and sometimes Pep Boys. If they let you borrow one they usually require a deposit while it's out. Some of the code scanners will tell you the code after you plug it in, others will flash the codes on the dashboard. Either way works but if the code is flashed on the dashboard, you'll need to look it up in the book that's included with the scanner device.
How do you reset the check engine light on a 2002 Nissan Maxima 3.5 SE?
I would go to a auto parts store and ask to use their scan tool.Tell them the issue and they may even do it for You at no charge. Or you can buy your own OBD scan tool. The diagnostic plug location is (inside the car) under the steering column.
Should the check engine light come on if an O2 sensor is bad?
The oxygen sensor is one of many things that could turn the check engine light on.
The oxygen sensor is one of many things that could turn the check engine light on.
What does it mean when the check engine light comes on for a 2003 Tahoe?
The light is only a signal that some event has posted a Code in the vehicles computer storage. Until you read the code with a Scan Tool, you will not know what the Fault was.
Your Dealer, Mechanic, or an AutoZone Store will read the Code for you. The AutoZone will read it for FREE.
Where is the fuse for check engine light located in the 1998 Mazda b2500?
There is no dedicated fuse for the light.
2002 Nissan Frontier the check engine light came on code p0303 which is misfire on?
P0303 : misfire cylinder #3
How do you reset the check engine light on a 99 accord after oil change?
On a '98 you hold the trip odometer button in while turning the ignition switch on. Continue to hold it in until the light goes out. (About 15 - 30 seconds, I think)
What does it mean when the check engine light is on in a 1986 Chevy Caprice?
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.
Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions.
How do you get the check engine light off in 1997 mercury villager van?
By bringing it to a trained mechanic so they can check the engine is running properly (which if the light is on it's probably not)
What does check engine electronics mean on a Mercedes 320 e?
it would most likely mean that something is wrong with the oil, im guessing that mybe the cap of the oil is open.. Go to a mechanic and he'll be glad to help !
could be a bad O2 sensor or a loose gas cap. more than likely it will go away in a day or two.
if you must know, take it to autozone or one of those guys and they will scan it for free
Just because the code says O2 sensor, that doesn't mean the sensor is bad. You could have a wiring problem to the sensor.
How do you reset check engine light on 1995 mustang?
With a scan tool or by unhooking the battery.
If the cause is not repaired, the light will come back on.
See related questions for more info.
What causes a warning light to come on saying check gas cap on a 2005 Cadillac?
The EVAP system detects a leak. Many times a loose or faulty gas cap causes that.
How do you turn off the maintenance required light on a 2007 Toyota Matrix?
set your odometer to the total mileage, turn car off. while holding down the trip reset turn key in on position (don't start) you'll see receiding dashes until reseted.
How do you turn off service light?
Unplug the positive battery terminal for 5all minuets then turn the key on 3 times while unplugged, then re- attach the positive terminal and start
That is not how you reset the check engine light. That trick can only be used to reset the airbag light (something I have had to do often). Reseting the CEL involves doing specific maneuvers with the screw on the ECU. Check out SR20forum.com
How do you check the code of a check engine light on a 95 Honda civic?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
What is the oil capacity of a 2000 Acura MDX?
The 2001-2002 Acura MDX requires 5.0 quarts of oil. (Acura's first model year MDX was a 2001, not 2000). The car may have been built in '00, but it's considered a 2001. 2003-2006 MDXs require 4.5 quarts of oil.
Engine light is on-- doesn't blink?
The computer has detected a malfunction. You need to have it checked for codes.
Why Renault clio servis light and air bag light comes on?
The lights come on to tell you that something is wrong. If you are unable to diagnose the problem it's a good idea to find someone who can.
How do you turn off the engine management light on a 1998 astra 1.6 petrol?
If the engine management light comes on and goes off again you dont have anything to worry about but if it stays on constantly then you should go and get it checked itl cost bout 30 pnds bcoz it could be ur cam belt ready to go better safe than sorry
What are the Pontiac dashboard warning light symbol meanings?
There are a few different lights on the dashboard on a Pontiac. The meaning of the light are check engine, battery low, put on seat belt and door ajar.
How do you find out check engine codes on 1996 Chevy cavalier?
1995 and later model vehicles have the OBDII system and a scan tool is needed to retrieve the trouble codes. Scan tools are available to buy starying at about $70 or you can have the computer scanned free at some auto parts stores (AutoZone, Advanced Auto Parts, O'Reilley's, etc.).
Could be a problem with the wiring from the computer to the sensor.
