Question about 2006 Pontiac Torrent

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2006 Pontiac Torrent Engine light is on. Did code reader and said Basically this means that an oxygen sensor in bank 1 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. Change oil filter. Car sounds horrible. Also sometimes when I break at a light the car starts to rocks front to back.

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  • Pontiac Master
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Sounds like you might have a weak fuel pump.Check your fuel pressure if its not within specs replace fuel pump.

Posted on May 23, 2011

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Explorer 99 po171repair. Failed pollution testing


This diagnostic trouble code (DTC) is a generic powertrain 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

Mar 08, 2017 | Cars & Trucks

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What does code p1131 mean on a 2001 ford taurus


P1131 Ford
P1131 Ford - Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1

Repair Importance Level: 3/3

Repair Difficulty Level: 2/3

http://engine-codes.com/p1131_ford.html

Forum Code

Possible causes

- Faulty Oxygen Sensor

- Vacuum leak affecting bank 1 only

- Fuel injector problem bank 1

- Check for cylinder misfire on bank 1

- Engine mechanical condition

Tech notes

Though the Oxygen (O2) sensor, the Engine Control Module (ECM) has detected a lean system, which means that there is either not enough fuel or and excessive amount of air in the system. Start by checking for vacuum leaks.

When is the code detected?

The Engine Control Module (ECM) detected bank 1 oxygen (O2) at its lean limit

Possible symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

P1131 Ford Description

A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

Read more: http://engine-codes.com/p1131_ford.html#ixzz3izk89wMu

Aug 16, 2015 | Ford Cars & Trucks

1 Answer

Code po171 system too leen bank 1


DTC P0171 - System Too Lean (Bank 1)
Basically this means that an oxygen sensor in bank 1 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.

Note: This DTC (Diagnostic Trouble Code) is very similar to P0174, and in fact your vehicle may show both codes at the same time.

I would suggest that you take a look at the front oxygen sensor. Typically speaking the oxygen sensor causes this code to appear. Here is the possible cause list from the manual for your car.

Trouble Code: P0171 - Fuel System Lean (Bank 1)

Possible Causes:
Air leaks in intake manifold, exhaust pipes or exhaust manifold
Base engine mechanical problem causing a lean A/F condition
Fuel control Sensor is out of calibration (e.g., ECT, IAT or MAP)
Fuel delivery component fault (clogged filter, low fuel pressure)
O2 element is contaminated, deteriorated or it has failed
Vacuum hose is disconnected, broken, leaking or loose

Hope this helps (remember to rating this answer ans leave us a testimonial comment). Thank you for using FixYa.

Oct 12, 2011 | 2000 Ford F150 Flareside SuperCab

1 Answer

2003 Chrysler Town & Country po171 code


DTC P0171 - System Too Lean (Bank 1)
Basically this means that an oxygen sensor in bank 1 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.

Note: This DTC (Diagnostic Trouble Code) is very similar to P0174, and in fact your vehicle may show both codes at the same time.

I would suggest that you take a look at the front oxygen sensor. Typically speaking the oxygen sensor causes this code to appear. Here is the possible cause list from the manual for your car.

Trouble Code: P0171 (2.5L V6 Auto) - Fuel System Lean (Bank 1)

Possible Causes:
Air leaks in intake manifold, exhaust pipes or exhaust manifold
Base engine mechanical problem causing a lean A/F condition
Fuel control Sensor is out of calibration (e.g., ECT, IAT or MAP)
Fuel delivery component fault (clogged filter, low fuel pressure)
O2 element is contaminated, deteriorated or it has failed
Vacuum hose is disconnected, broken, leaking or loose

Hope this helps (remember to rating this answer ans leave us a testimonial comment). Thank you for using FixYa.

Oct 12, 2011 | 2001 Chrysler Town & Country

1 Answer

P0171 just replaced mass air flow


p0171 is system to lean ( bank 1 ). did you turn off check engine light with a scanner! if not go to auto-zone and they will erase it for free, then you can see if light stays off. There could be a vacuum leak downstream of the MAF sensor.
  • Inspect all vacuum and PCV hoses, replace if necessary
  • Check for a dirty fuel filter and proper fuel pressure. Basically this means that an oxygen sensor in bank 1 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. good-day!!
  • Aug 18, 2011 | 2002 Toyota RAV4

    1 Answer

    2002 VW Passat GLS 1.8T throwing two codes: P0171 and P0411. No noticeable loss in performance. Can I fix this myself?


    System Too Lean (Bank 1)

    Basically this means that an oxygen sensor in bank 1 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.
    Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time.

    P0411 Secondary Air Injection System Incorrect Flow Detected, check the...Combination valve
    ...Secondary Air Injection pump motor
    ...Secondary Air Injection solenoid valve
    I would take it to a mechanic

    Apr 16, 2010 | 2002 Volkswagen Passat

    1 Answer

    Yes my truck is 1998 ford f 150 4.2 an i have code po174






    DTC code p0174 means "System too lean (Bank 1)"

    Basically this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exahust). On V6/V8/V10 engines



    , Bank 2 is generally the side of the engine that doesn't have cylinder #1.

    Jan 09, 2010 | 1999 Ford Windstar

    1 Answer

    Ford windstar check engine light comes on after stopping when starting to get moving again shows p0171 & p0174 codes why??


    P0171 indicates a lean condition. The most common cause of this is a defective mass air flow sensor. Also check if any vacuum leaks. P0174 OBD-II Trouble Code


    Technical Description

    System Too Lean (Bank 2)


    What does that mean?

    Basically this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exhaust.

    Note: This DTC is very similar to P0171, and in fact your vehicle may show both codes at the same time.

    -----------

    Thanks.


    Dec 17, 2009 | 2002 Ford Windstar Cargo

    3 Answers

    2001 Toyota corolla hesitates on acceleration


    Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust).

    Mar 27, 2009 | 2001 Toyota Corolla

    1 Answer

    1996 century


    P0301 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #1

    P0171 code basically this means that an oxygen sensor in bank 1 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. - this could be an open vacuum line.

    on your P0301 and your P0171, the first thing I would check is your mass airflow sensor, it's probably fouled, also check the air filter, and vacuum lines for cracks.

    P1406 code - EGR Valve Pintle Position Circuit - this basically states that the EGR valve is clogged.

    Jun 14, 2008 | 2003 Buick Century

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