Volkswagen Passat 1995 Official Factory Repair Manual page 1623

Diagnostic Trouble Code (DTC) table
Scan Tool Possible cause
Display
00537 2341
Oxygen sensor Exhaust system leaking
control between cylinder head and
three-way catalyst
Control limit
exceeded
Misfiring
Intake system leaking
Injector(s) (N30, N31, N32,
N33, N83, N84) faulty
Fuel pressure too low
EVAP canister purge
regulator valve 1 (N80)
sticks (permanently open)
Control limit Fuel pressure too high
not reached
Injector(s) (N30, N31, N32,
N33, N83, N84) faulty,
leaking
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Corrective steps
Check exhaust system:
Repair Manual, 2.8 Liter VR6 2V Engine
Mechanical, Engine Code(s): AAA, Repair
Group 26; removing and installing parts of
exhaust system
Check the ignition components
1
Check intake air system for leakage
(unmetered air)
Check (N30, N31, N32, N33, N83, N84)
Page 24-43
Check fuel pressure regulator,
39
Check N80 Page 01-32
Diagnostic Test Mode
Check fuel pressure regulator,
39
Check N30...N33, N83, N84,
Page 10 of 23
01-16
Page 28-
Page 24-
, Output
Page 24-
Page 24-43
6/12/2004