Question about 2000 Hyundai Accent

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2000 hyundai accent code 302 misfire and slow responce o2 senser

Car has intermtant misfire and slow start o2 senser code check engine light starts flashing when has misfire

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  • Anonymous Mar 20, 2014

    Check light stays on and it says acs off.


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Yep!.. Typical with an engine cylinder misfire. Inspect the plug and ignition wire, especially the insulator. If you see a 'christmas tree' pattern on the insulator, that's where your problem is.

Posted on Oct 19, 2009

  • Barry Jensen Jul 09, 2013

    new plugs and leads have been fitted


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O2 senser trouble

duplicate question

Jul 01, 2013 | Cars & Trucks

1 Answer


If the code means the O2 sensor is not switching from rich to lean, you may have a fuel problem or a vac leak. When the sensor is warmed up, it should switch back and forth from lean to rich several times per minute.

Aug 29, 2012 | 2001 Hyundai Accent

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I have a 2002 Hyundai Accent 16 valve with a PO300, 301, 302 & 304 code. Loss of power to the point the car died on the highway. After a few minute and with the throttle wide open, I can restart the...

Take it to "Autozone" and have them scan the system,this will give you an idea, of whats needed and where to start looking. This service is allways free, and worth its weight in gold.

Feb 26, 2011 | 2002 Hyundai Accent

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My check engine light is on and everytime i get gas my car will not start. to get the car to start i have to give it gas. i had it scanned and the check engine light is on because i have a bad evaporative...

The evap solenoid is on the charcoal canister in the fuel evap system, The no start problem can be resolved by replacing the Purge Control Valve, Hyundai p/n 28910-22040. These are warranty items. The O2 sensor trouble code was probably from the over rich fuel mixture caused by the other problems. Wait til after the other items are fixed and then watch for the O2 sensor trouble code to reappear.

Jan 03, 2011 | 2007 Hyundai Accent GS Hatchback

1 Answer

Code reads that o2 senser was bad i replaced it and now i think i have a vac leak how do i find out

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Apr 25, 2010 | 2000 Hyundai Accent

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