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Quick question about Emissions Code P0171

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Old Feb 17, 2012 | 04:27 PM
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From: Apache Junction, AZ
Year: 1984 and 1998
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Exclamation Quick question about Emissions Code P0171

I have a 1998 Jeep Cherokee! It reads a code P0171 which it means its running lean? Any ideas what it could be? O2 sensor? or MAF sensor? PLEASE help! Thanks
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Old Feb 17, 2012 | 04:51 PM
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Is it a 4 or 6 cyl?
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Old Feb 17, 2012 | 04:57 PM
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You do not have a MAF sensor. I would check your pre-cat oxygen sensor.
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Old Feb 17, 2012 | 05:10 PM
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Year: 1984 and 1998
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Engine: 2.8 and a 4.0
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its a inline six! i actually just found the CTS sensor was broke and im still gonna replace the O2 sensor
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Old Mar 3, 2012 | 09:46 AM
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Year: 1984 and 1998
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Engine: 2.8 and a 4.0
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Crack exhaust header was actually the problem! Thanks tho
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