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Check Engine Light

Parent Category: Fuel and Engines
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.
A CHECK ENGINE light indicates there is a problem. You can't just turn it off. The computer will have to be scanned, Most Auto Zone parts stores will scan it for free. The Scan will tell you what needs attention, repaired or replaced. When they scan the computer, they can re-set the light, BUT it...
If the check engine light flashes an engine cylinder misfire has been detected  Avoid any heavy acceleration / decelleration and have the vehicle scanned for any  trouble code(s) in order to diagnose and repair the problem
  It could be anything... u need to have that code reader thing connected to ur car and it'll tell u the code. The best way to do it is to take it to an auto store, such as Auto Zone, they do it for free.
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.
turn key off and then on , leave it in run not start position, at the same time hold brake and gas pedal for 20 seconds it will reset the oil light ..
  == Answer ==     Try disconnecting battery for about 10 mins. If this does not work --have vehicle scanned to determine problem or have codes cleared     Most auto parts stores can do this
  == Answer ==     Try disconnecting battery for about 10 mins.     If this does not work have vehicle scanned to determine problem or have codes cleared
  Check the gas cap. I know this sounds too simple to be true, but unless you tightented it right the last time you were at the pump this could be it. My 2002 optima just had these exact same symptoms. We thought there was water in the tank and when we went to add dry gas we saw the warning on...
quite a number of faults can cause the check engine light to come on. You'll need to borrow, rent or buy a code scanner to find out what the computer has detected. Autozone, Checker Auto Parts, Schucks Auto Parts, Kragen Auto Parts, O'Reilly Auto Parts or any of the Murray Discount Auto Parts...
  == Answer ==   have vehicle scanned to determine problem
== Answer ==   a fuel is like a sort of well you no
ur car's computer system has a problem, u need to pull the codes. try checker, autozone etc they will retrieve codes for free! write them down, let me know im a ford tech i most likely can led u to the root cause. email willcarsrule@hotmail.com
A bad map sensor can cause a computer code, that would trigger the  light. Run a list of computer codes to see what shows as a problem.
If the check engine light is on for a 95 Lincoln town car, check  the computer codes. a problem could cause low fuel economy, or  cause a part failure over time.
How to read check engine codes on a 1999 chev 1500 suburban.
There are several different reasons that a Chevy truck might not be  turning over. You might be out of gas, your battery might be dead,  or your starter might be bad.
You might not have sealed the air box properly, check the oil level and the plug leads also. If the engine sounds strange, bring it to a garage.
buenas tardetengo un problema , tengo una captiva y me aparece estos codigos p0008 y p0017 , quiero saber que problema tiene mi vehiculo , gracias
The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, the problem is in the emissions or something that is affecting the effectiveness of the emissions, but other causes can trigger the light to come on,...
Take the negative terminal off the battery for 15 mins.
Trouble code P0440 means:Evaporative emission control system malfunction
to what you have discribed it sounds like it is the "loss of coolent" light. top your water up and if i keeps happening then it may be a couple of things.
No, most any vehicle made since the mid 90's will store a code in memory for at least 100 starts.
  == Answer ==     Some cars have faulty check engine lights. IF you already had the car checked out then you should be fine. If not do so. you would think that all the money we spend on cars the would have worked the kinks out.
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.
Turn on the ignition but do not start the car, press the button on the end of the wiper arm until the "miles to next service" is displayed on the odometer. Then press and hold the trip reset button until the display resets to 18000. This should also turn out the service and stop light. Turn off the...
means something is not working coeerctly, but without knowning what the light is for or what vehicle, that's all i can tell you Might be the check engine light. See related questions below.
there are two senors that could be bad or installed wrong. if you have had your tranny removed for work or a new one installed the relay wire can be put in the wrong way it installs both ways and the rams have it go in a certain direction, also there is a bellhousing sensor that tells the engine...
  == Answer ==     I would say you got a sensor wet when you washed your engine, that is why the engine light is on. The car's computer is picking up a problem in the system. Also you could have made the drive belt slip by getting it wet too. When washing an engine you need to remember...
Well i would think it was an electrical failure of some sort poor connection of sensor/s maybe if you disconnect battery earth lead hold down horn and switch lights and anything else on in your car hold down horn for minimum 2minutes then reconnect battery this will wipe all of ur ecus memory so if...
If the check engine light is flashing that means an engine cylinder misfire hasbeen detected . You can drive it in for repair , just avoid any rapid accelerationor deceleration because you can damage the catalytic converter
A cylinder misfire has been detected ( you need to have the Explorer scanned for any  trouble code (s) to help diagnose and then repair the problem ) Avoid any heavy  acceleration or decelleration until the problem is repaired
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.
Trouble code P0775 means:Pressure control solenoid "B"
On cold days, it can be a problem, but not minor or major. To fix this problem, read the following;To fix the secondary air injection system, you'll probably need to replace the pump, which is called an "air pollution pump". It is part of the emissions. Prices range for around $150-$250. Also, you...
Smaller tires should not cause the check engine light to come on.  Smaller tires will cause the speedometer to be off.
Hi,  To reset the check engine light have you tried disconnecting the battery and touching the two terminals together for 30 seconds? This should drain all residual power out of the electrical system and in turn reset your computer and all lights.  ------------------------  Please use caution if...
Most oxygen sensor trouble codes are just the beginning. In My experience fuel control components are at fault. (Mass Air Flow [MAF] sensor uses air flow through it to meter fuel or if you have a Manifold Air pressure [MAP] sensor it uses a vacuum signal to meter the fuel) Generally MAF's are just...
No, but if you cycle the key on,off,on,off,on, the odometer might display them.
The only way to reset the service engine light on a Nissan without  going to a mechanic is to remove the battery cables and touch them  together. This will reset the system but it will not turn it off  forever; it will come back on until you fix the problem.
  Usually either fuel cap not installed properly or a problem in the emission control system - have vehicle scanned to determine problem
how do you turn of the service light on a 04 seat arosa
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.
  == Answer ==     Have vehicle scanned to determine problem and have codes cleared Auto parts store can do this
Your implication that our Foresters have one irritating check engine light echoes what I was thinking on my way to work this morning. Mine wants a new catalytic converter, and so far it only does this when the weather gets cold. My last was an Outback that suckered me into buying converters twice...
Turn you car key half way so that all your dash lights light up. Whatever looks like an engine is it.
  == Answer ==     Have vehicle scanned to determine problem--most auto part stores can do this
    1.try unplugging the battery for a few minutes (10 or so) 2.recconect 3.drive car 4.if light stays off, go to 6. 5.if light returns, ????? 6.PROFIT!
  The codes have to be pulled and cleared using an OBD II code reader. If you have an Auto Zone or an Advanced they might do this for free.
P0300 : Multiple cylinder misfire.
There is no PVC valve on the 4cyl Toyota Camry. ÊThe location of  the PVC valve on the 6cyl is center upper engine area, mounted in  the rear valve cover.
call autozone, or any of you other local part stores, they should have a device to read the the code your check engine light is caused by.. I'm pretty sure that is an obd 1 which may be harder to find a reader for.... good luck :)
I think you are referring to the Universal OBD (or OBD2) test port. This is   the plug under the dash that you plug the OBD code tester into.   It may also be referred to as the 16-Pin Data Link Connector (DLC).
  to take off the engine light take out the positive wire on the battery then hold down the brakes for 30 sec. if the lights still on then sumthing is wrong with the motor
  [img]http://memimage.cardomain.net/member_images/7/web/2551000-2551999/2551515_94_full.jpg[/img] number 2 is the camshaft position sensor, number three is the camshaft position actuator From my understanding th replacement is pretty easy. I have not replaced one, so I wont try and tell you...
Diagnostic Trouble Code (DTC) P1299 indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. An FMEM Strategy called Failsafe Cooling was activated to cool the engine. (Refer to Section 1A, «Electronic Engine Control (EC) System», for more information on...
It could be a clogged of defective positive crankcase ventilation  valve. The best way to find out is to have the code pulled from the  computer. Many auto parts stores will do this for free.
There is a problem with the emissions system.
== Answer ==   there isn't a reset button. a scan tool is required to find the cause of   the check engine light coming on and the problem then has to be   corrected in order for the light to be turned off.   You don't need to get a scan tool to shut it off. This in some cases is an...
my 2004 neon will not turn over after i tried to start it without the key has the computer locked me out also engine light blinks when key is on.
Assuming you have no loss of power throughout the range and the car's ecu hasn't gone into 'limp home mode' the problem is almost certainly the throttle body. Get a decent mechanic to clean/ decoke the throttle body ( about 15 minutes work shouldn't cost more that 20 quid ) It's happened to me and i...
Black smoke usually indicates fuel not being completely burned. The  choke being stuck, clogged egr valve or the engine needing a tune  up are the three places to start troubleshooting.
  == Answer ==     Are you sure that is right? I cant find anywhere where the codes even go that high.
Open the hood an take a look, then you will know.
Installing the Oil Pan Make sure the sealing surface of the pan's rim is flat and capable of providing a seal before reinstalling it. Check the flanges of a steel oil pan for warpage. Use a straightedge or lay the pan, flange side down, on a flat surface with a flashlight underneath it to spot...
The check engine light will come on in a 2004 Kia Sedona 431 if a  misfire is detected, the timing is wrong, or a weak spark is  detected. There are many other possible causes which can be  narrowed down by connecting an OBDII code reader to the vehicle.
You can reset the check engine light on a Toyota by removing the  battery cables and touching them together. Other than that, you  will have to take the car to a mechanic and have them run a scan  tool to turn the light off.
Trouble code P0440 means:Evaporative emission control system malfunction
Depends on the year. If OBD-II you can reset the light. However, you should determine the problem first so the computer does not throw the code again.
  == Answer ==     You will not get a correct answer without veh info...spec production year. By the way, there is no such thing as a "step button" to reset the C.E.L. It requires the P.C.M to be "scanned" and code cleared.. but there is some alternate ways to solve problem short term.
EGR flow insufficient.
  == Answer ==     Try disconnecting battery for about 10 mins. If this does not work , have vehicle scanned (at auto parts) to determine problem or have codes cleared
  it just means u need to take ur car to tha mechanic n let them check out tha airbags..... nothing major.... it usually comes up after a few years so the owner of the vehicle will keep it in good condition in case anything would happen but its strange that that light is comming up so soon.....
  == Answer ==     Try disconnecting battery for about 10 mins. If this doesn't work , have vehicle scanned to see if there is a problem, if not have codes cleared
By engine light I am assuming you mean the "Service Engine Soon" light. This light will come on indicating a problem with your vehicle detected by the On Board Diagnostics (OBD) system. The OBD system monitors engine performance and emissions controls.    There are many problems that can cause...
  == Answer ==     Try disconnecting battery for about 10 mins. or have vehicle scanned to determine problem or have codes cleared
== Answer ==   Problem with emission system have vehicle scanned to determine problem
You will not pass inspection in NJ with an airbag light ON. If  you owned the car when the light came ON and your airbags have not  previously deployed, this could be a sensor or wiring problem. If  you need new Airbags, the repair could be as much as $1000. Most  mechanics will charge 1 hour...
  == Answer ==     Have vehicle scanned to determine problem and have codes cleared
  == Answer ==   Make sure your gas cap is tight and is sealing good, if it's not sealing good then the light will come on. Also a blown fuse can also make this happen on my 2000 Tracker the light came on because of a blown fuse going to the daytime running lights and the interior light...
  that's egrc solenoid valve, you can go and get it check at any parts store or buy a obdII code reader and erase it if the problem persist replace the egrc solenoid, and have the code erased again it should fix the problem, althougth i had a problem like that and it wasn't the egrc, was the egr...
I bought one of these and tetsed it on 4 different cars 1999 Miata, 2004 Jeep Grand Cherokee, 2007 GMC Canyon and 2010 Sienna. It will read some of the data from the OBDII port but not all and I found quite a few displays resting at 0. GoPoint says they have new software in the works but I didn't...
  == Answer ==     Have vehicle scanned at auto parts to determine problem or have codes cleared
  Usually a problem in the emission control system- have vehicle scanned to determine the problem
If the check engine light is blinking on your 2005 Dodge Stratus,  you most likely have a sensor that is damaged or requires  replacement. You can check this by accessing the diagnostic  computer at the dealership.
from what i have read and can find out it is catalyst system below threshold bank 2.it is a catalytic converter problem some say it could be an oxygen sensor. i have the same code on my expedition.i haven't figured out if it's the converter yet
There is a multitude of reasons a car could hesitate. Since the  check engine light is on, there is a diagnostic code stored in the  computer. You need to have the code read, some auto parts stores  will do this for free and help you find the problem.
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. == Answer == By repairing whatever tripped the light. Then you use an OBD2 scan tool to reset the light. == Answer == You just have to...
most code readers will also erase the code(s), which will turn off the ce lite. HOWEVER, this also resets readiness monitors. the car then has to go thru several different running stages, like high speed, stop and go, etc. until all system readiness monitors are active, you cannot pass state...
Trouble code P0420 means:Catalyst system efficiency below threshold