- Crankcase Ventilation Valve or PCV (OEM) Early, for B7-A4 2.0T
Crankcase Ventilation Valve or PCV (OEM) Early, for B7-A4 2.0T
- Seemingly random RPM fluctuations at idle that feel like a single misfire but the ECU does not show a code for misfires.
- Oscillating RPM at idle where the idle will rise up to 2000 to 3000 RPM without pressing on the gas.
- If applicable, depending on the location you have tapped for a boost reference on a boost gauge, a faulty PCV may cause the boost gauge to read inaccurately. NOTE ON BUILD DATE SPLIT: There is a split on this part for B7-A4 2.0Ts. If you have a B7-A4 2.0T with a build date before December 16th, 2005 (displayed as 16.12.2005 in your car) you will have the EARLY version of this part. If you have a B7-A4 2.0T with a build date AFTER December 16th, 2005 (displayed as 16.12.2005 in your car) you will have the LATE version of this part. If that's the case, please go back one section and select the LATE part and add it to your cart. NOTE ON CHECK VALVES IN THESE CRANKCASE VENT VALVES: The only difference between early and late is that the early ones have a check valve located in the round hole next to the rectangle hole on the flange side where it bolts to the valve cover. The shape and look of the housing does not matter since Audi used several different externally looking housings through their supersession of the parts. If you install the wrong PCV valve on your car you can have idle issues. More info on this and the PCV - turbo to valve cover breather tube combinations as follows.
--EARLY PCV Crankcase Vent Valves: These have a check valve in the actual PCV (crankcase vent valve) and there is NO check valve in the end of the metal breather pipe that bolts to the turbo and connects to the valve cover on the passenger side via a short portion of hose.
--LATE PCV Crankcase Vent Valves: These have NO check valve in the actual PCV (crankcase vent valve) and there is a check valve in the end of the metal breather pipe that bolts to the turbo and connects to the valve cover on the passenger side via a short portion of hose. The original OEM part number for this part is 06F129101L or 06F 129 101 L then superseded to 06F129101N or 06F 129 101 N then superseded to 06F129101R or 06F 129 101 R.
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|Audi||A4||B7 (2005.5-2009)||2.0t FSI|
|Audi||A3||8P (2006-2013)||2.0t FSI|
|Volkswagen||Passat||B6 (2006-2010)||2.0t TSI|
|Volkswagen||R||MK VI (2012-2013)||2.0t FSI|
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(b) No person shall operate or leave standing upon a highway a motor vehicle that is required to be equipped with a motor vehicle pollution control device under Part 5 (commencing with Section 43000) of Division 26 of the Health and Safety Code or any other certified motor vehicle pollution control device required by any other state law or any rule or regulation adopted pursuant to that law, or required to be equipped with a motor vehicle pollution control device pursuant to the National Emission Standards Act (42 U.S.C. Secs. 7521 to 7550, inclusive) and the standards and regulations adopted pursuant to that federal act, unless the motor vehicle is equipped with the required motor vehicle pollution control device that is correctly installed and in operating condition. No person shall disconnect, modify, or alter any such required device.
(c) No person shall install, sell, offer for sale, or advertise any device, apparatus, or mechanism intended for use with, or as a part of, a required motor vehicle pollution control device or system that alters or modifies the original design or performance of the motor vehicle pollution control device or system. Health and Safety Code § 43000:
43001. The provisions of this part shall not apply to:
(a) Racing vehicles.
As the aforementioned code sections outline, it is against the law to operate or use a vehicle on public streets or highways with modified, altered, or disconnected motor vehicle pollution control devices. This may include but is not limited to, Evaporative Fuel Controls, Catalysts, DPF, PTOX, PCV Systems, Exhaust Gas Recirculation Systems, Oxygen Sensors, Thermostatic Air Cleaners, Air Intake Systems, Fuel Injectors, Regulators, Adjustable Cam Gears, ECU Programming, Mapping, or other Computer Modifications. Air Pumps, Air Injection, Timing, and any other Emission System Modification(s).
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