SOURCE: 2003 Honda Accord Check Engine / Maintenaice Requeried
If you brought your car to Honda for service, they probably forgot to reset the maintenance reminder. If you took it to another shop, they probably did not know how to reset it. Anyway, the reset procedure is:
Put your key in the ignition
Turn the key to the II position for a couple of seconds
Then turn the key to the off position
Now push and hold in the odometer reset button
While still holding the odometer reset button, turn the key back to the II position
Hold for I think 10 seconds or so and your maintenance reminder light should reset it self.
SOURCE: my 2003 honda accord will not excedd 3000 rpms
1st check air filter and fuel filter for dirty, this cause loose power
SOURCE: check engine light comes on and off, auto zone
The EGR valve helps your car more efficiently and completely burn fuel
by recirculating a portion of your exhaust and running it through the
combustion process again. When the EGR valve goes bad, it must be replaced.
The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum
controlled valve which allows a specific amount of your exhaust back
into the intake manifold. This exhaust mixes with the intake air and
actually cools the combustion process. Cooler is always better inside
your engine. The exhaust your EGR valve recirculates also prevents the
formation of Nitrogen related gases. These are referred to as NOX
emissions, and are a common cause for failing emissions testing.
Unfortunately, your EGR valve can get stuck, causing NOX gases to build
up. You'll know if your EGR valve is stuck or malfunctioning because
your car will experience symptoms like rough idle and bucking on
acceleration.
Here is a picture of where the EGR
Valve is located (Accord 1999). Replacing it is fairly simple and straightforward. A
vacuum line and a couple of bolts. You'll see what you have to do when
you look at it.
If you
are replacing the EGR Valve due to the Check Engine Light (MIL) being
on with a DTC P0401 then I suggest contacting your Honda Dealer. There
was a Product Update Campaign (PUD) in the fall of 1999 that corrected
the problem.
Another times, the clean is the solution...I hope help yoiu with this. Good luck, and remember rated this help.
Testimonial: "Thank you very much your knowledge and information you offered concerning my problem and following questions were VERY helpful!(I lost owners manual)"
SOURCE: What is DTC code P1491? 1997 Honda Accord
hi, "EGR Valve Lift Insufficient Detected" is most often caused by a broken vacuum line going to the EGR valve. So I would check all the vaccum lines to be sure they are tight and not broken.If the vacuum lines are good, you will need to check the electronics that operate the EGR system. thanks
SOURCE: DTC stored in The system and trouble code P0740 in a 2001 Honda Accord
Here is a diagnostic fault code table which may help you.
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