Won't stay running
05-26-2016, 07:46 AM
#1
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Won't stay running
My friend has a TT 1.8 t will crank gets get to rail starts then dies he had a vacuum hose that was sliced under where the rail is I connected it back still nothing I'm getting code po171 the fuel pumps seem fine I got spark haven't pulled the plugs I don't know what else to do please help any ideas
05-28-2016, 07:06 AM
#2
AudiWorld Super User
Here we go.
Standard Audi troubleshooting techniques apply. Also standard automotive troubleshooting techniques as well.
1. Perform a proper diagnostic scan. Not with an OBD II tool, but with either the "million dollar" dealer tool or using the VCDS diagnostic interface from Ross-Tech and their software.
2. Read the information from the scan, comprehend it and utilize the guided fault-finding information in the proper Service Manual for the vehicle. Also, search the forum(s) for information from others who have experienced the identical fault/problem. NOTE: "won't stay running" is too general.
3. Also, check this out, while written for another Audi model, most of it applies to your vehicle and can help with troubleshooting. https://www.audiworld.com/forums/a8-...-read-2877219/
4. Watch this video. Most of it applies here :https://www.youtube.com/watch?v=gx4EfoLzu_
Standard Audi troubleshooting techniques apply. Also standard automotive troubleshooting techniques as well.
1. Perform a proper diagnostic scan. Not with an OBD II tool, but with either the "million dollar" dealer tool or using the VCDS diagnostic interface from Ross-Tech and their software.
2. Read the information from the scan, comprehend it and utilize the guided fault-finding information in the proper Service Manual for the vehicle. Also, search the forum(s) for information from others who have experienced the identical fault/problem. NOTE: "won't stay running" is too general.
3. Also, check this out, while written for another Audi model, most of it applies to your vehicle and can help with troubleshooting. https://www.audiworld.com/forums/a8-...-read-2877219/
4. Watch this video. Most of it applies here :https://www.youtube.com/watch?v=gx4EfoLzu_
Last edited by Mister Bally; 05-28-2016 at 11:00 AM.
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