2004 Audi A4 "clean mas" Questions

...the first 2, check for air leaks as well. air mass is cheapest part, EGR and air mass can often be cleaned and work fine again. do you get an engine light at all? if so then I would say have the EGR ...

...MAS. Also check all connections on battery, positives and grounds, as wellas on the starter. Make sure coil wire, if applicable, is secure. A loose connection will cause a weak start, no start, and ...

...MAS an it was clean but cleaned it anyways. The service engine light is still on. Could I just need to replace the MAS even though its clean? maybe wiring is wrong? or bad? Also said fuel injectors ...

...clean it with MAS cleaner. You can find the cleaner at your local auto parts store. Watch this "how to" video to guide you through this process. IF YOU FOUND THIS INFORMATION HELPFUL, PLEASE VOTE. ...

...I have installed new aux coolant pump. New air filters OEM. New mas sensors. I can suggest try cleaning the earth connection from body to engine. good

...MAS is unplugged. If this fixes your issue, there is special cleaner to spray and clean the sensor. It may not be bad. It may just have a coating on it (inside the air intake tube). I've seen a ...

...clean the MAS. I would really appreciate some helpfull input! Starting new job in a week and really need to get down to the bottom of this.Thanks the mass airflow sensor needs replaced, can't be ...

...clean the electrical harness plugs on the MAS as well as those in the harness connector that plugs into it. If that doesn't work, you may need to replace the MAS. This happened on my nissan sentra ...

1999 SL1 running rough Car starts, but chugs bad at higher speeds, also rpms are high. We've changed the spark plugs and wires. Could it be the fuel filter? Any suggestions would be great. Sharon I ...

MAS liberally, making sure to clean the entire inside. This inside should look like a honey comb with either octogon or circuler shaped holes. Spray the MAS from both sidees. DO NOT spray the electric