Question about 1997 Honda Accord

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Check engine light on 1997 Honda accord EX

Every runs well but the light stay on? Any suggestions?

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  • hondasrule29 Mar 30, 2009

    im having a p0420 code coming up. i have a gutted cat, i have cleaned the egr runner housing, and even reset the computer and the code keeps coming back. any body have a reason why it keeps coming back.

  • Anonymous Mar 21, 2014

    Rear running lights stay on, even when car is off.

  • Anonymous Mar 25, 2014

    My 09 accord failed emissions because of 2 or 3 sensors in computer are off. No engine light is on, runs fine, everything checks out . Don't know what to do. Run it at 70 to 80 miles to clear computer as some suggest?



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If the engine is running without any problems then The fault code which has flagged the checked engine light will either pertain to the upstream O2 sensor, a drop in catalytic efficiency, an EGR issue, or maybe even an EVAP issue.

A lot of EVAP issues can be resolved by simply ensuring that the fuel filler cap is on securely, otherwise a vacuum leak will be detected in the system and the check engine light will come on.

A drop in catalytic efficiency (P0420) is usually temporary and will stay away after a reset.

EGR issues can sometimes be rectified by removing the EGR valve and cleaning it, and the ports on the intake where it was sat, but there are occasions when it has to be renewed.

The O2 sensor issues are a wee bit different. There are a number of fault codes which relate to the O2 sensor, and which make the O2 sensor look faulty, when the O2 sensor is actually attempting to rectify a problem from elsewhere and isn't faulty at all. However, they could also be due to a fault with the O2 sensor. Basically, further checks should be made before condemning the O2 sensor should the fault code relate to the sensor.

Have a code read done and then have the codes reset and see what comes up.



Posted on Jun 23, 2008


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Posted on Jan 02, 2017

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SOURCE: 1997 honda accord ex for 9 years , check engine light came on

Have computer diag. done, your computer pick up a bad reading from one of your engine sensor's. Autozone can do this for free, but don't buy any thing till you have it check at a repair shop.Just have them get the code that's stored in your computer and have it check out.

Posted on Dec 31, 2009

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