Lynx L4-116 1.9L VIN J FI HP (1986)
Oxygen Sensor: All Technical Service Bulletins
Engine - Erratic Idle/Hesitation
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HESITATION - 1.9L EFI - ERRATIC HEGO SIGNALS
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IDLE - ERRATIC - 1.9L EFI - HEGO SIGNALS
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LAMP - UPSHIFT INDICATOR ERRATIC - 1.9L EFI - HEGO CIRCUIT CORROSION
Article No. 89-22-1
FORD:
1985-88 ESCORT
LINCOLN-MERCURY: 1985-87 LYNX
This article is being republished in its entirety to include an illustration showing the location of the connector.
ISSUE:
An erratic engine idle, hesitation or malfunctioning upshift indicator lamp may be caused by an incorrect signal from the HEGO sensor.
This can happen when the 14B060 and 12A522 wire assemblies get wet.
Figure 1
Figure 2
ACTION:
Install a new wire harness connector on Circuit # 94 as shown in Figure 1. Refer to Figure 2 and the following procedure for service
details and the location of the connector.
1.
Remove circuit # 94 (DG-P) from the connector as shown in Figure 1.
2.
Reinstall circuit # 94 into a new connector. Use the existing terminals.
3.
Insert the male terminal of the 12A522 wire assembly into the female connector (E7DZ-14489-N).
