Difference between revisions of "16555/P0171/000369"
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* Mass Air Flow Sensor (G70) defective<br> | * Mass Air Flow Sensor (G70) defective<br> | ||
| + | * Intake System Leak(s) | ||
==== Possible Solutions ==== | ==== Possible Solutions ==== | ||
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* Check Vacuum Pipes for Leaks<br> | * Check Vacuum Pipes for Leaks<br> | ||
| + | ==== Special Notes ==== | ||
| + | |||
| + | * [[Fuel Trim Info]] | ||
| + | * [http://forums.ross-tech.com/showthread.php?2612-TFSI-Oil-leak-Not-a-VCDS-releated-question-or-is-it TFSI - Oil leak - TFSI - Oil leak - Not a VCDS related question? or is it? ] | ||
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[[Category:Fault Codes]] | [[Category:Fault Codes]] | ||
Latest revision as of 17:37, 3 May 2019
16555/P0171/000369 - Fuel Trim; Bank 1: System Too Lean
Possible Causes
- Mass Air Flow Sensor (G70) defective
- Intake System Leak(s)
Possible Solutions
- Check Mass Air Flow Sensor (G70)
- Check Fuel Pressure Regulation
- Check Fuel Pump
- Check Injectors
- Check Intake System for Leaks
- Check Exhaust System for Leaks
- Check Secondary Air System for Leaks
- Check Vacuum Pipes for Leaks