Escort L4-116 1.9L VIN 9 TBI (1987)
1986
EEC IV-Pinpoint Tests-All Vehicles
21-98
EGR Valve Position Sensor (EVP)
Pinpoint Test DN
EGR Valve Regulator (EVR)
1987 (EGR) Systems - Functional Diagnosis
1987
6-11
Exhaust Gas Recirculation (EGR) Systems
Functional Diagnosis
PORTED EGR VALVE
1.
Make certain that all vacuum hoses are correctly routed and securely attached. Replace cracked, crimped or broken hoses.
2.
Make certain there is no vacuum to the EGR valve at idle with the engine at normal operating temperature.
3.
Install a tachometer, Rotunda 059-00010 or equivalent.
