Question about 2004 Hummer H2

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Just want to reset the check engine light. disconnect battery...turn lights on and off.....remove a fuse....please help. thanks jennifer

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You would have to use a OBDII scanner to clear the light. There is a connector under the driverside of the dash to connect the scanner to. If a problem exists, the light would just come back on. For the change oil light all you have to do is turn the key on, but don't start engine. Press the gas pedal all the way to the floor 3 times within 5 seconds and that resets that light. Some Hummers have menu controls on the steering wheel to reset the oil light. But as far as a Check Engine Light, you may need to have your vehicle checked out. Local part stores like Autozone could check what trouble codes are in the system to see why the light is on. Don't know if they can clear them for you. Misfires, bad oxygen sensors, lean/rich fuel mixture are just a few examples of what can turn that light on.

Posted on Dec 29, 2010

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I have suzuki swift g13BA the check engine light when i put the key on is flasing on and off and don't stop at all. i tried to start up but i coudn't i can't find why. please healp me


Try disconnecting the battery overnight . Cant guarantee it'll fix it. But in theory some vehicle computers reset to default settings. If that don't work, try removing your fuses one at a time!!! IMPORTANT NOTE!! ...KEY OFF- REMOVE 1 FUSE-- KEY ON- STILL FLASHING? KEY OFF -REPLACE FUSE..- GO TO NEXT ONE ETC... NEVER PULL FUSES OR DISCONNECT BATTERY WITH KEY ON. YOU CAN FRY THE ON BOARD COMPUTER SO KNOWING THAT, PROCEED AT YOUR OUR RISK. ....!!! If for any reason you don't understand the consequences- good or bad.- you should contact an authorized suzuki representative and follow there recommendation. Good luck. Hope this helps

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How do I reset the check engine light on my 03 pathfinder ?


Normally you would use a scanner or code reader to clear the codes and turn the light off. Sometimes you can disconnect the battery cable and drain the memory from the computer.
You could also pull the fuse that powers the computer.

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try disconnecting your battery undr your hood..then reconnect.

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Replacing a fuse and accidentally pulled a couple of fuses out now the check engine light is on and won't go off. i would like to see a fuse diagram.


There should be a fuse diagram in the owner's manual if you have one.

Usually you can disconnect the battery cable, negative side for about five minutes and reconnect to clear the check engine light, unless something is still causing it to reset.

Good luck and have a nice evening. Peter

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The check engine light came on in my 2001 Ford Taurus LX. I had it checked and they said it was the gas cap. I replaced the gas cap and the light still came. I had it checked again and it was still the gas...


When you replaced the cap, did you reset the "check engine" light. The problem codes stay in the memory until you reset them. To reset, you can disconnect the battery or remove the fuses that power the computer. The fuses will be marked, with CP or ECH or some similar marking. They may have a number behind it. You can take all these fuses out for about 5 minutes or disconnect the battery for 5 minutes. When you restart watch the light, it should be out. If it comes back on in the first minute or so you still have a problem. Check the code again. Likely the light will stay off once you reset it.


Thanks for using FixYa.


Gaker

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Sorry Peter I do not have a solution to your car problem, but I also own a 2004 XG-350 and the SAME EXACT thing is happening to my car right now, crazy huh. Pretty much started out of nowhere...the boyfriend is going to go try the leaving keys in ON position and reconnecting the battery. Did you happen to find out what was wrong with yours, thought maybe if you did it would help save me a step. Praying nothing to serious. Hope you got your car working well again!

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yes reset by removing fuse or disconnecting battery make sure you have radio code if disconnecting battery. Problem may be oxy sensor in exhaust.

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Me and my dad change the heater hose and now my engine light is on and my drive 4 light in the dash board is blinking what should i do


You can disconnect your negative battery terminal, wait five minutes or so, then reconnect it. This should clear the malfunction code. If, however, you have an anti-theft radio, make sure that you have the five digit code to reset it after disconnecting the battery. Disconnecting only one terminal might not effect the radio, but I wouldn't count on it.
If the malfunction code comes back after you disconnect the negative terminal, then something has gone wrong with your repairs.
Hope this helps you.

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1 Answer

How do you reset engine check light on 2004 Subaru Outback?


u can clear/reset the check engine light either with a scan tool, hit clear codes, or u can just disconnect the battery, the scanner clearing method is preferred as disconnecting the battery can cause temporary stalling issues.

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Disconnect both cables from your battery, wait 10 minutes and reconnect.  Hope it helps.

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