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Location of the pvc valve and the maf sensor - LeSabre Buick Cars & Trucks

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  • kristalli Jul 31, 2008

    I can not find the location of the pcv valve so I can replace it.

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, deville getting codes pc0171 &pc0174,what does this mean?


Could be many problems,dirty fuel filter,dirty MAF sensor,vacuum leak,exhaust leak,oxygen sensors.PVC valve open.Put good fuel cleaner to tank change air filter and fuel,Clean MAF sensor.Replace PVC valve.Any codes?

Aug 03, 2014 | 1996 Cadillac DeVille

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OIL IN THROTTLE BODY


pvc valve is not supposed let go but one direction replace

Nov 08, 2013 | 2002 Chevrolet Tahoe

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Location of the pvc on 2002 buick 3.8?


on the passeger side of the intake plenum there will be a sensor called the MAF sensor. It will have three wires going to it. The PCV valve is under the cover that the MAF sensor mounts to.

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Mar 06, 2011 | 2002 Buick LeSabre

1 Answer

Codes


Your sensors are reading correctly so leave them alone. What you have is a fuel delivery issue. Your MAF sensor is telling your engine to lean your fuel mixture. You need to remove and clean or replace (is better) the MAF. But first replace your PVC valve and clean your ERG valve.

Jan 20, 2010 | 2000 Dodge Intrepid

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Service Engine soon light came on. Scan code


If it has been serviced correctly just take it aback and ask them to reset the warnibg light. If they can't then you should chose another garage to service it.

Nov 03, 2009 | 2002 Oldsmobile Silhouette

1 Answer

When i press accelerator engine is cutting ....


The van may just need a good tune up.

  • Replace the fuel filter
  • Replace the air filter
  • Replace the PVC valve
  • Replace Engine oil and filter
  • Replace the Spark plugs
  • Clean out the Throttle body with throttle body cleaner
  • Clean out the MAF sensor
This should help you get your van running 100% soon. If your on a tight budget, start with Cleaning the throttle body with spraying throttle body cleaner into the throttle body and cleaning up the MAF sensor with MAF sensor cleaner, just follow the instruction on the can. Then replace the PVC valve and add fuel injector cleaner in to the gas tank. This should help your engine running better and then you can do the rest of the work to complete the tune up. Good luck and keep me posted. If you go to Auto Zone, you can get all the things you need and they can scan your van for any DTC codes that may also indicate what issues your engine has.

Oct 22, 2009 | 1994 Pontiac Trans Sport

1 Answer

Getting a code po171 on a '98 ford expedition...O2 sensor? If so whitch one?


CODE PO171 -SYSTEM ADAPTIVE FUEL TOO LEAN. POSSIBLE CAUSE.AIR LEAKS AFTER THE MAF SENSOR OR LEAKS IN THE PVC SYSTEM. EXHAUST LEAKS BEFORE OR NEAR WHERE THE HO2S IS MOUNTED. FUEL INJECTORS RESTRICTED OR NOT SUPPLYING ENOUGH FUEL. FUEL PUMP WEAK. LEAKING EGR VALVE GASKET OR DIAPHRAGM.MAF SENSOR DIRTY CAUSES PCM TO UNDERESTIMATE AIR FLOW / NOW THE BANK 1 SENSOR ITS MOUNTED IN THE EXHAUST SYSTEM BEFORE THE CATALYTIC CONVERTER.THE BANK 2 SENSOR IS IN EXHAUST AFTER THE CATALYTIC CONVERTER.

Aug 27, 2009 | 1998 Ford Expedition

2 Answers

Where pvc value located in 99 buick LeSabre


It should be going to your valve cover.

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NOTE: On VIN K applications, the Manifold Absolute Pressure (MAP) sensor is mounted to the Positive Crankcase Ventilation (PCV) Valve cover


Please don't forget to rate!!!

May 21, 2009 | 1999 Buick LeSabre

1 Answer

Location of the pvc valve and the maf sensor Cannot remove the PCV valve because it has a brace on the top of it and cannot be removed because it is permanently affixed to the car.


The MAF sensor is in the air intake line just after the air filter.  It will be the part that has some electric plug in it.  Let me know if you need anything else.  Thanks for an honest rating and for using FixYa.

May 19, 2009 | 2005 Buick Terraza

1 Answer

Location of the pvc valve and the maf sensor Can't find the PCV valve to change it.


The PCV valve is part of the front valve cover and in order to replace it you have to replace the valve cover.

The MAF sensor is in the air filter housing. The connector is on the top of the housing.

Sep 06, 2008 | 2005 Buick Terraza

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