Engine - Poor Performance

91ford22

Article No.
91-14-9

07/11/91


^ PERFORMANCE POOR - MAP SENSOR - "OPEN CIRCUIT"

^ WIRING - "OPEN CIRCUIT" - MAP SENSOR


LIGHT TRUCK: 1990 BRONCO, ECONOLINE, F SUPER DUTY, F-150-350 SERIES


ISSUE: Open circuits within the main wiring harness to the MAP sensor may be caused by improperly formed female terminal spring members.

ACTION: Inspect the formed female terminal spring members. Refer to the following procedure for service details.


INSPECTION AND CORRECTION

1. Locate the MAP sensor connector on the 12A581 wiring harness.

2. Check the condition of the connector. Inspect for improperly formed female terminal spring members which lead to:

^ Partial connector mating.

^ Terminal push out from connector shell.

^ Bent or distorted spring inside female terminal.

3. If connector is partially mated with out-of-position lock beams or connector has terminal push outs, replace the connector assembly.


4. If terminals have bent spring members, replace the terminals with those included with the connector assembly.

PART NUMBER PART NAME CLASS

F0TZ- 14489-K Connector Assembly With B
Terminals

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under Basic Warranty Coverage, Emissions Warranty Coverage
OPERATION DESCRIPTION TIME
911409A Inspect Connector 0.2 Hr.
Assembly Only
911409B Inspect And Replace MAP 0.3 Hr.
Connector And/Or Terminals
DEALER CODING
BASIC PART NO. CONDITION CODE
12A581 44
OASIS CODES: 203200, 608000