Volkswagen Passat 1995 Official Factory Repair Manual page 1756

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
Diagnostic Trouble
Code (DTC)
SAE VAG
P0171 16555
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07....
Malfunction text
System too Lean
(Bank 1)
Malfunction elimination
- Check intake air system for leaks (outside air)
Page 24-123
- Check HO2S and O2S control (before three way
catalytic converter)
- Check Secondary Air Injection (AIR) system
Page 01-71 output Diagnostic Test Mode (DTM),
and:
Repair Manual, 2.8 Liter VR6 2V Engine
Mechanical, Engine Code(s): AAA,Repair Group 26
- Check MAF sensor
- Check fuel pump:
Repair Manual, 2.8 Liter VR6 2V Engine
Mechanical, Engine Code(s): AAA, Repair Group 20
- Check fuel injectors
Diagnostic Test Mode (DTM), and
Page 24-25
Page 24-62
Page 01-71 output
Page 24-115
Page 11 of 77
01-17
12/6/2004