Audi P1009: Air mass meter 1/2 implausible signal from load detection
Is your scanner showing Audi P1009?
No worries. We'll show you what it means and how to deal with it.
Audi P1009: Air mass meter 1/2 implausible signal from load detection
OVERVIEWWhat Does The Audi P1009 Code Mean?
Time after engine start, 20 camshaft revs Lambda control, Closed loop Engine load, >14.25% Throttle position, No fuel load ECT, >59.25° C Or Substitute ECT
What Are The Potential Causes Of The Audi P1009 Code?
- Check fuse
- Check for signal, voltage and ground
- Check harness for open or short
- Check connector for damage.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> FAERSI Mass Air Flow Sensor Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Audi, 2013, 2014 A8/A8L/S8 Quick Reference Specification Book, page 322.