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CHECK ENGINE CODE p0171 - 2000 Dodge Durango

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P0171....System too Lean (Bank 1)

suggest you check O2 sensors on bank 1 ,their are two sensors one before and one after the cat ,think it may be the rear one playing up ,use a automotive meter to test them .

Posted on Mar 31, 2011

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Im getting P0171 code- lean .


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Jan 27, 2016 | Cars & Trucks

1 Answer

P10071


P10071 is not a good code
But P0171 is B1S1 Air /Fuel ratio sensor defective
double check if you are talking for P0171 and replace the sensor wit DENSO 234-4149(4 CYLINDER ENGINE)
DENSO 234-9042(6 CYLINDER ENGINE)
Good luck

Jul 29, 2014 | 2002 Toyota Camry

1 Answer

Engine code P0171


p0171 is a lean code, check mass air, fuel pressure, vacuum leaks - check intake manifold bolts, make sure all of them are tight.

Mar 01, 2014 | 2008 Chevrolet Trailblazer

1 Answer

P0303 misfire p0171 p0325


Hi Candy,here's a link to the P0171 code.Here's the code P0325. O n the Code P0171.it says it will have a
  • detonation (spark knock) which,the first code is causing the second code to go off.

Dec 08, 2013 | Nissan Cars & Trucks

1 Answer

Have trouble code po171 on my 2000 chevy venture, looking for possible solutions


gtford64,

P0171 indicates the computer has detected a "lean engine condition". Sorry to say you couldn't have gotten a worse code. By that I mean there are sooo many things that can cause a P0171
However I'll just run down a few of the more common causes:

1 - Look for any obvious vacuum leaks around the engine area. Vacuum leaks will definetley
cause a lean condition which will trigger a check engine light and code P0171
Especially check around the PCV system and where the EGR valve mounts to the intake.


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2 - Check your oxygen sensor wiring to make sure it is not chaffed and shorted. This will force a
lean condition and set P0171. O2 sensors are located on your exhaust system pipes and
manifold.

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3 - A constant or intermittent engine miss will trigger this code. Check for fouled or shorted
spark plugs or weak spark plug wires.

4 - Low fuel pressure will also trigger P0171. Check your fuel pressure if thats possibe. If it's low,
check to make sure your fuel filter is not restricted. Otherwise, you may have a weak fuel
pump!


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Try these tips first.If not successful, we'll take it 1 step further. Good luck!


.

Oct 05, 2011 | 2000 Chevrolet Venture

1 Answer

Showing check engine - then the code reader is p1133 and p0171


miles...?
P1135 Air-Fuel Sensor Heater Circuit Response.
the air fuel sensor malfunction is the main problem and thats causing the code p0171.
Hard to start o long cranking time to starter is gona be the first symtoms.
replace upstream. (the air fuel Sensor and the oxygen sensor is the same)

Mar 24, 2010 | 1998 Toyota Camry

2 Answers

Service recommendation code p0171 p174 sytem too


2001 Buick LeSabre 3.8L V6 Check Engine Light come on after driving in 20 minutes,error code P0171.....O2 sensors and fuel filter changed ,how can I pinpoint the source.

Feb 09, 2010 | 2001 Hyundai Santa Fe

1 Answer

Check engine light code P0171 activated on my 2001 toyota corolla


p0171 is lean condition bank one. you could have a vacuum leak a bad map sensor bad maf sensor clogged fuel filter low fuel pressure. start with the vacuum leak first.

May 05, 2009 | 2001 Toyota Corolla

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