Escort L4-98 1.6L SOHC VIN 5 FI (1985)
b. Remove plug and connect vacuum hoses.
Fig. 5 Throttle plate adjust. 4-97.6 & 4-116 W/EFI
4-97.6 & 4-116 W/EFI
Curb idle speed is adjusted by the EEC IV and the idle speed control (ISC) system. The following procedure is an initial curb idle speed
setting with the ISC disconnected. Refer to Tune Up Specifications chart for curb and fast idle speeds.
1.
Place transmission into Neutral or Park.
2.
Start and allow engine to reach normal operating temperature, then switch ignition OFF.
3.
Disconnect and plug both vacuum lines from EGR solenoid.
4.
Disconnect power lead electrical connector from ISC.
5.
Install a suitable tachometer onto engine as per manufacturer's instructions.
6.
Start and operate engine at 2000 RPM for approximately 1 minute. Ensure electric cooling fan comes ON.
7.
Apply hand brake.
8.
Place transmission into Neutral on manual transaxle models or Drive on automatic transaxle models.
9.
Check and if necessary adjust initial curb idle speed within 1-1/2 minutes by turning throttle plate adjusting screw, Fig. 5.
