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ENGINE CODE ;PO171 - 1998 Toyota Camry

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Generic code too lean bank 1 vacuum leaks pcv fault exhaust leak ahead of o2 sensor blocked injector low fuel pressure faulty air flow sensor silicone poisioning on o2 sensor sorry thats all ive got good luck

Posted on Jun 07, 2010

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2001 GMC Sierra 5.3 check engine light Po171


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Check engine light obd code po171,po300,po302,po303 1997 camry 2.2 ltr.


PO171 OBD2 Code basically this means that an oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. The P0171 is one of the more common trouble codes.

his code is triggered by the first downstream (front) O2 sensor. The sensor provides a reading of the air:fuel ratio leaving the engine's cylinders, and the vehicles powertrain/engine control module (PCM/ECM) uses that reading and adjusts to keep the engine running at that optimum ratio of 14.7:1. If something is not right and the PCM cannot maintain the 14.7:1 ratio, but rather there is too much air, it triggers this code.

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1997 buick lasabra engine code >po171


The trouble code is related to a lean engine fuel trim problem. This particular code can be caused by a vacuum leak, low fuel pressure or faulty MAF or MAP. Check for vacuum leaks first, if you cant find any broken or cracked hoses, you might want to take it to a good shop and have live data read to determine if there is a component defective.

Nov 12, 2011 | 1998 Buick LeSabre

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Ses light on code po102 and po171 2000 buck lesabre


Have 2000 Buick Lesabre custom every time car gets up to operating temp. the engine misses going down the road , also let car sit and idle and it shuts off after about 2 minutes , my code reads PO171 system to lean bank 1, changed co2 censor, mass air flow censor, plug wires, and plugs.

May 15, 2010 | 2000 Buick LeSabre

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Trouble code po171 for engine running lean


where the hell do i find a 1996 ssangyong musso vaccum hoses diagram that is readable because i have the work shop manual and it shows me bugger all

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A po171 code came on my scanner i need to know


system too lean in bank 1. clean your mass airflow sensor, replace fuel filter. iff all else fails check you fuel pump.

Nov 06, 2009 | 1998 Ford Contour

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2000 Prism 1.8 eng. code 8 [too lean code po171]


You could have a intake / exhaust leak or a problem with the the AIR system, MAF/VAF sensor, fuel pressure/pump, or injector(s), HO2s (oxygen sensors)

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