Escort L4-98 1.6L SOHC VIN 5 FI (1985)
Choke Thermostat/Heater: All Technical Service Bulletins
Engine - Low Power/Surge at Steady Speeds
Article No.
85-20-9
POWER LOW/SURGE DURING STABILIZED DRIVE AT LOW AMBIENT (BELOW 70~F) - 1.6L ENGINE
FORD
1985 ESCORT
LINCOLN-MERCURY
1985 LYNX
CALIBRATIONS: 4-03A, F, K, P, S; 4-04S; 5-04A
WARNING:
This modification is authorized only for the listed engines. Performing this modification on other engine calibrations is unauthorized and could create
liability under applicable federal or local laws.
An open circuit in the electric choke cap may prevent the choke from operating properly. Use the following procedure for servicing the choke system.
1.
Remove the air cleaner assembly, then disconnect the electric choke terminal connector from the choke cap.
2.
Cool the electric choke cap to 50~F or lower. This can be done using a choke/sensor tester, Rotunda Part Number 090-00001. For cooling
procedure, refer to the 1985 Car Shop Manual, Emission Diagnosis, page 4-135, paragraph IIC.
Figure 8 - Electrical Continuity Test
3.
While the choke cap is still below 50~F, check electrical continuity. Use a test lamp, as shown in Figure 8. The lamp should glow if the choke cap
is good.
4.
If the lamp does not glow, the choke cap should be replaced. Replace with service choke cap, pan number E6PZ-9848-A.
5.
Reconnect the electric choke terminal connector to the choke cap.
6.
Operate the engine to assure proper choke rotation.
7.
Reinstall the air cleaner assembly.
PART NUMBER
PART NAME
CLASS
E6PZ-9848-A
Choke Cap
C
