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Re: what is code po497
P0497 = evaporative emission system low purge flowcel
if you want to try and fix this problem, buy a new genuine Honda gas cap and see if the light turns back on. if that doesnt work, the job can get very expensive to diagnose and fix. The next thing a dealer would do is run an evaporative function test (~$100) to see what is leaking.
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false When the engine light came on it is telling you that there is a serious problem occurring in the engine management system or CPU. The correct procedure is to run the fault codes to find out the faulty sensor/servo. Check coolant level at the radiator cap. Fix any faults and then have a code reader used to reset the engine light
need to have vechicle code scan. there is a reason when you see check engine light flashing. the pcm has locate a fault in the engine control system. could have vacuum leak, missing or loose gas cap.could be getting engine misfire.you need to have vechicle code scan at dealership or auto zone which will do it free see what causing check engine light to flash.you cant erase code from pcm long as problem remains.the check engine light only can be reset when you fix problem.but you need code scanner to erase code.
Was the repair facility a Hyundai dealership? If not, I would recommend a second opinion from a certified dealership. This way you will have more information and a better idea as to how much the repair will cost.
The canister in your evaporator system may need to be replaced. These will fill with emissions and cause a trouble code. Hope this helps.
taken from: http://forums.evolutionm.net/lancer-troubleshooting/349095-code-p0421-call-mitsu-before-you-do-anything.html
Code P0421- Call Mitsu before you do anything!
called my nearest dealership today and for those who dont know, if your
check engine light is on and its showing fault code P0421 this may be
from a factory recall on the warm-up converter and a PCM reflash.
MILEAGE OF THE CAR DOES NOT EFFECT THIS RECALL. Anyone whos had problem
with a dealership not doing the repairs because of mileage needs to
contact another dealer or the owner of the dealership. This is what the
service manager told me today so though I'd share. Getting mine fixed
tomorrow at 10am, I cant wait.
For more information about this code Google "Fault Code P0421" You'll get tons of information
Last edited by Swankzer; Jun 2, 2008 at 12:31 PM.
Take it into a dealership. The light is there so that you will know that your car wants to go in, and have the tech look at it. Basically they'll hook up a scanner, print off a list of codes that your car says is wrong, and they dealership will fix what you tell them to.