Ford VSG-411 Service Manual page 65

03A-1
Emission Control Svstem 03A-1
SECTION TITLE
PAGE SECTION TITLE
PAGE
01-l STARTING SYSTEM . . . . . . . . . e.. . . . . . s.. . . . . . . . . . . . . . .
05-l
IGNITION SYSTEM - DISTRIBUTORLESS.. . . . , . . . . . . . . .
02-1
GOVERNOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-l
FUEL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
03-l
COOLING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . 07-l
EMISSION CONTROL SYSTEM ........................
03A-1
SPECIFICATIONS
.................................... 08-l
CHARGING SYSTEM ................................. 04-1
SECTION 03A - Emission Control System
SUBJECT PAGE
SUBJECT
PAGE
DESCRIPTION AND OPERATION ...................... (
Exhaust Gas Recirculation (EGR) Valve ............. (
Crankcase Emission Control System ...............
(
DIAGNOSIS AND TESTING ............................ (
Symptoms of EGR System Malfunctions ............ (
Rough Idle ...................................... f
Surge, Stall, or Won' t Start ....................... f
Detonation (Spark Knock) ........................ (
Poor Fuel Economy .............................
(
13A-3
3A-3
3A-6
13A-7
3A-7
13A-7
13A-7
13A-7
13A-7
EGR System Gas Flow Test . . . . . . . . . . . . . . . . . . . . . . . . 03A-7
Diaphragm Leak Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03A-7
EGR Valve Leakage Check . . . . . . . . . . . . . . . . . . . . . . . . . 03A-8
Testing for EGR Source Vacuum . . . . . . . . . . . . . . . . . . . . 03A-8
Tesing the 2-Port PVS Valve . . . . . . . . . . . . . . . . . . . . . . . . 03A-8
REMOVAL AND INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . 03A-9