where is the secondary air injection pump relay in a 2004 Audi A4 2004 Audi A4 The secondary air injection pump relay is no.# 2 relay = R2, placed inside the engine compartment relay box.
p0411 code called secondary air pump if it is right P0411= Secondary Air Injection Incorrect Upstream Flow Detected
...secondary air folw modual on 2001 audi a-4 quadros 1.8 l engine. secondary air pump is used to heat up engine and exhuast gases faster for better emissions. if it sounds like a vacuum cleaner than it ...
...secondary air pump (an emissions device) and it appears to be failing. If you have emissions checks in your state inspection, when it fails completely you'll end up with two codes and a check ...
secondary air pump. worst case you could have a failed combination valve it sits on the back of your block hidden down low. try to apply vacuum to it. if it does not hold vacuum at all that will cause
...what do i need to fix this problem ??? How high does it rev? It's supposed to hold around 1200RPM until the cats heat up (the secondary air pump causes this) to help with cold start
...SECONDARY AIR INJECTION SYSTEM CHECKED OUT.TO MAKE SURE ITS ELECTRIC MOTOR PUMP ASSEMBLY VACUUM VALVE SOLENOID COMBINATION AIR SHUT OFF CHECK VALVE AND TUBING IS INJECTING FRESH AIR TO EXHAUST ...
...secondary air pump located near the pass front wheel. I unplugged it and left it off for a few months. When I brought it to the dealer to replace it they plugged it back in and it works again...go ...
Secondary Air Injection System (B2) - Incorrect Flow You should check the Secondary Air Injection System: Air Injection Pump, Air Injection Solenoid Valve, Air Hoses & Connections.&
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