SONATA 2000, 2.4 dohc, engine check light is on..

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Dec 9, 2006 | 04:25 AM

junlim

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SONATA 2000, 2.4 dohc, engine check light is on..

my engine check light went on so i check it with OBD2 and P0171 came
out. if anyone knows anything about this error message, please leave a
comment

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Dec 12, 2006 | 10:37 PM

sqdancerLynn

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Re: SONATA 2000, 2.4 dohc, engine check light is on..

P0171 System too Lean - Bank 1.

Dec 13, 2006 | 07:36 PM

hyundaitech

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Re: SONATA 2000, 2.4 dohc, engine check light is on..

Check for vacuum or intake leaks, especially around the PCV hose and the
intake bellows. If you have none, the problem is likely with your air
flow sensor.