Ok i had bought a 2004 Hyundai tucson v6 and it had ran ok for a few months but when i bought it i noticed the engine light is on so i took it to auto zone so they can read the codes for me and they said i needed 2 O2 sensors and 1,3,and5 was misfiring. But it still ran fine ,so i said don't fix it if its not broken.lol. but ishould of fixed it because now it is running bad. It starts and everything but when you put it in gear it wants to die out and when pushing gas pedal it runs rough or comes close to dieing out . So i checked the sensor the messures the air and gas , put it on my meter like it's says on YouTube and it was fine. But really stuck on what to do ,don't have much money to go buy all kinds of parts and it doesn't fix the problem. so if there is any body out there that might know what is going on please help me figure this crap out . Thank you so much and God bless everyone

Asked by Mike & Tasha Jun 26, 2019 at 03:28 PM about the 2005 Hyundai Tucson GL 2WD

Question type: Maintenance & Repair

Ok i had bought a 2004 Hyundai tucson v6 and it had ran ok for a few months
but when i bought it i noticed the engine light is on so i took it to auto zone so
they can read the codes for me and they said i needed 2 O2 sensors and
1,3,and5 was misfiring. But it still ran fine ,so i said don't fix it if its not
broken.lol. but ishould of fixed it because now it is running bad. It starts and
everything but when you put it in gear it wants to die out and when pushing gas
pedal it runs rough or comes close to dieing out . So i checked  the sensor the
messures the air and gas , put it on my meter like it's says on YouTube and it
was fine. But really stuck on what to do ,don't have much money to go buy all
kinds of parts and it doesn't fix the problem. so if there is any body out there
that might know what is going on please help me figure this crap out . Thank
you so much and God bless everyone

1 Answer

26,160

Short answer: The misfire can set a code for the O2 sensor when it's not really bad. Misfire at 1, 3, 5 can mean half the coil pack is misfiring. It should set a code but if it doesn't, I would still suspect the coil pack. Maybe it is just over due for a tune up.

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