Corolla CE Sedan 4-Door L4-1587cc 1.6L DOHC MFI (1997)
(c) Disconnect the vacuum hose from port R of the EGR vacuum modulator and connect port R directly to the intake manifold with another hose.
(d) Check that the vacuum gauge indicates high vacuum at 2,500 rpm.
HINT: As a large amount of exhaust gas enters. the engine will misfire slightly.
7. REMOVE VACUUM GAUGE
Remove the vacuum gauge, and reconnect the vacuum hoses to the proper locations.
8. INSPECT EGR VALVE
(a) Apply vacuum directly to the EGR valve with the engine idling.
(b) Check that the engine runs rough or dies.
(c) Reconnect the vacuum hoses to the proper locations.
9. REMOVE SST FROM DLC1
SST 09843-18020
IF NO PROBLEM IS FOUND WITH THIS INSPECTION, SYSTEM IS NORMAL: OTHERWISE INSPECT EACH PART
