Mercury Workshop Service and Repair Manuals

(Revise 550 RPM stated in TSB to 590 RPM).

5.

After performing Steps 1 through 4, retest the vehicle. If customer concern(s) is still present, replace the fuel injector. (See Procedure 4 on page
38). If new injector corrects concern(s), return vehicle to customer; otherwise, reinstall original injector.

6.

Review the articles listed in the following "TSB Application Chart" to assure that other causes for the symptom(s) were not overlooked.

NOTE:
Processor replacement or battery terminal disconnect requires adaptive learning procedure per TSB 85-9-17.

TSB APPLICATION CHART

SYMPTOM

TSB NO.

Fuel Injector/Fuel Pressure Regulator

85-9-12

Leaking

Hard/No Start

85-9-13

Idle Speed  -  Adaptive Learning

85-9-17

Strategy

Loading/Stalling  -  ACT Harness

85-9-20

-

Intermittent Open Circuit

No Start, Idle Rough, Spark Knock

85-9-22

Stalls  -  Engagement/Decel after

85-9-26

Initial Cold Start

85-9-27

Surge/Stall, Poor Idle, Loss of Power,

85-9-28

AM Radio Noise, Alternator Regulator

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual.
OPERATION: SP9593B85 - Check and reset base timing.
TIME:

0.4 Hr.

OPERATION: SP9593B185 - Check fuel pump/check valve operation.
TIME:

0.3 Hr.

OPERATION: SP9593B285 - Check injector/regulator integrity.
TIME:

0.2 Hr.

OPERATION: SP9593B385 - Check fuel pressure regulator, fuel filter and fuel return line.
TIME:

0.4 Hr.

OPERATION: SP9593B485 - Road test vehicle
TIME:

0.3 Hr.

OPERATION: SP9593B585 - Replace injector.
TIME:

0.2 Hr.

OPERATION: SP9593B685 - Repeat test of injector/ regulator - integrity.
TIME:

0.2 Hr.

OPERATION: SP9593B785 - Reinstall original injector
TIME:

0.2 Hr. DLR. CODING: Basic Part No. 9593 - Code: 09