Volkswagen Passat 1995 Official Factory Repair Manual page 1757

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
Diagnostic Trouble
Code (DTC)
SAE VAG
P0172 16556
P0300 16684
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07....
Malfunction text
System too Rich
(Bank 1)
Random Misfire
Detected
Malfunction elimination
- Check HO2S and O2S control (before three way
catalytic converter)
- Check fuel pressure regulator
- Check exhaust system for leaks:
Repair Manual, 2.8 Liter VR6 2V Engine
Mechanical, Engine Code(s): AAA, Repair Group 26
- Check components of ignition system
- Check misfire detection
- Check ignition coil
- Check engine speed (RPM) sensor
- Change type of fuel
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12/6/2004