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Code P0171 and P0441 - 2006 Audi A4

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Im getting P0171 code- lean .


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    Feb 11, 2014 - 'Check Engine' code P0171 System Too Lean - Is it safe to drive? ... My question is: is it okay to drive my car while it shows these codes? ... This will cause you to get increasingly worse fuel mileage. ... I am going to defer to your expertise, but I just want to ask if you've considered that lean-running engines ...

    P0171 and P0174 - OBD-II Trouble Codes - RepairPal

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    Definition of error code P0171 and P0174 - System too Lean (Bank 1 and Bank 2). ...Before we get into the main causes of P0171, let's explore why this code matters. ..."Lean" running cars and light trucks are highly polluting vehicles. Most of ...

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Jan 27, 2016 | Cars & Trucks

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What are Fault codes P0441 + P0704 On my 05 Plate Octavia VRS?


Code P0441 seems to relate to the EVAP Emission Control System. Either there is a blockage or a leak in one of the valves (N80 or N115) or the pipes between throttle body and tank breather are broken.
Code P0704 seems to be a faulty clutch pedal position switch

Here's more info about code P0441 at ross-tech:
16825 P0441 001089
And code P0704 at ross-tech:
http://wiki.ross-tech.com/wiki/index.php/17088/P0704

Aug 27, 2014 | 2005 Skoda Octavia 1.9

1 Answer

P0129 and p0441 x2


code p0129 refers to barometric pressure-two low===causes wiring---BARO sensor, ---mechanical fault
code p0441 refers to evaporative emission (EVAP) system--incorrect flow detected=== causes ---hose connection/s---intake leak--EVAP canister purge valve

replace the BARO sensor and the purge valve after seeing that the filler cap is on correctly.

Dec 12, 2013 | Cars & Trucks

1 Answer

P0441 code


get new gas cap it will give a p0441 code!!!

Mar 13, 2013 | Cars & Trucks

1 Answer

Codes


P0441 JEEP - EVAP Purge System Performance
Possible causes- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve Tech notes Loose or damage fuel tank filler cap may trigger the P0441 code

Oct 08, 2012 | 2002 Jeep Grand Cherokee

1 Answer

P0441 Code. Natural Vacuum Leak Detection (NVLD)?


Look at the following link. It definatly does make sence but possibly not the problem. Personaly I would probably start there after looking at the gas cap & hoses to the charhol canister. http://www.permoveo.ltd.uk/tabid/122/OBD-Error-Code/P0441/Diagnostics/Dodge/Default.aspx

Jun 27, 2012 | Dodge Grand Caravan Cars & Trucks

1 Answer

Code 171 bank 1 system running to lean?


Hi there:
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 is very similar to P0174, and in fact your vehicle may show both codes at the same time.

You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration.

A code P0171 may mean that one or more of the following has happened:
The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
There could be a vacuum leak downstream of the MAF sensor.

Possible solutions include:
In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
Inspect all vacuum and PCV hoses, replace if necessary
Check for a dirty fuel filter and proper fuel pressure


On rare occasions, a check engine light may be experienced with DTC P0171, P0441, P0455, and/or P2420. These DTCs may be a result of an internal PCM driver issue that may keep the EVAP purge solenoid control circuit grounded at times instead of supplying a pulse width signal on the circuit. ask your dealer and check this TSB:
#PIP3621: DTCs P0171, P0441, and/or P2420 - Inspect Production Part Number on PCM - keywords CEL check ECM EVAP lamp lean light repeat trim updated - (Nov 9, 2005)
Subject: DTCs P0171, P0441, P0455 and/or P2420 - Inspect Production Part Number on PCM

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 29, 2012 | Cars & Trucks

1 Answer

Code P0441


Code P0441 = evap code (auxiliary emissions control systems),You could try replacing the fuel cap first (make sure it has the double gasket), but most likely the charcoal canister has failed or you have a leak in a hose related to the evap system.

May 02, 2009 | 1998 Dodge Intrepid

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