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Engine Missing with Check light flash

Tiny
MAHESHDTT
  • MEMBER
  • 2002 HYUNDAI ACCENT
  • 99,500 MILES
I bought this car with 94000 km milage. When I bought it Check light flash on, so I consulted a professional team. They scan the vehicle and replaced, O2 sensor, all plug wires, distributor, and done a full tune-up.
Still O2 sensor mal error appear with check light flash on and still there is considerable missing. Still the team could not figure out what is the problem. Please give me possible reasons for that.

Air flow sensor already have been replaced before I bought and learn t that is good.
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Tuesday, November 5th, 2013 AT 7:38 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuel pressure with a gauge and freeze frame the running and check all the parameters on freeze frame so they can see what is out of whack. Also check compression, a cylinder may be low
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Wednesday, November 6th, 2013 AT 7:02 AM

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