WebJan 21, 2010 · Hello o have a 2001 audi a4 1.8t the check engine light came on with miss fires all cylinders p0507 p0171 and idles like crap. ... Audi a4 quattro: P0171..mass..sensor & Crank senor valve & gasket. Hi, I have a audi a4 quattro s … WebMar 17, 2024 · If you find DTC codes like P0171, P0172, P0174, or P0175, ... Volkswagen (VW) / Skoda / Seat / Audi A4 1.8T / V6 2.4. There is a Check Valve/PCV Valve under the intake manifold on many VAG engines, which is the first thing you need to check if you see this trouble code. You must also ensure that the crankcase ventilation is free from sludge ...
P0420 Code: Meaning, Causes & How To Fix It Mechanic Base
WebMar 17, 2024 · The P0171 code indicates that the oxygen (O2) sensor on bank 1 sent a signal to the engine control module that the air-fuel mixture is too lean to be corrected. The O2 sensors have the ability to correct a fuel … Aug 31, 2010 · bird chirping noise from car
Audi A4 2.0T P0171 System Too Lean P2187 P2279
WebJan 5, 2007 · Audi A6 - CEL Codes: P0118, P0172, P0175 - Does the P0118 indicate the coolant sensor needing replacement? Do both the P0172 and P0175 indicate both O2 sensors need to be replaced? Codes: 16502 P0118 Engine Coolant Temp.Circ High Input 16556 P0172 Fuel Trim,Bank1 System too Rich 16559 P0175 Fuel Trim,Bank2 System too... WebMar 7, 2024 · A common engine code that would accompany a P2279 when it comes to vacuum leaks is P0171. Vacuum hoses create suction and bring air into the engine. The main hose to look out for when it comes to vacuum hose leaks is the hose that connects the vacuum pipe to the vacuum pump. Diagnosing and replacing vacuum hoses is not an … WebHSURQUHART85. I have a B4 Audi A4 Quattro. I have a CEL that is giving the codes P0507 and P0171. I have done a little googling on this but haven't found much help. The only thing that seems to be the solution is replacing the PCV (pressure control valve). Symptoms of the car is that at stoplights or when I'm stopped anywhere with the car in ... bird chirping music