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All Technical Service Bulletins for Engine Oil Dip Stick - Dip Stick Tube: > < Engine Mount|Service and Repair|Page 1952
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Engine Oil Dip Stick - Dip Stick Tube: Customer Interest
Engine - Oil Consumption/Spark Knock/Plug Fouling

Article No.

^ OIL CONSUMPTION - 2.3L OHC/2.3L OHC TURBO

87-5-20

^

SPARK KNOCK - 2.3L OHC/2.3L OHC TURBO

^

SPARK PLUG FOULING - 2.3L OHC/2.3L OHC TURBO

FORD 1985-87 MUSTANG, THUNDERBIRD

LINCOLN-MERCURY 1985-87 COUGAR

ISSUE:

Spark knock, spark plug fouling and/or excessive oil consumption on 1985 through 1987 vehicles equipped with a 2.3L OHC turbocharged
engine or 1987 Mustangs equipped with a 2.3L OHC engine may be caused by engine oil being drawn into the air intake system. This is
caused by the engine oil level in the crankcase being too high because of incorrect markings/wording "MAXFILL" on the oil dipstick.

ACTION:

To correct this, install one of the following new calibrated dipsticks (E7ZZ-6750-A, 2.3L OHC) or (E7SZ- 6750-B, 2.3L OHC
turbo) depending on the application. Refer to the following service procedure for the installation information.

1.

Drain the engine oil and remove the old oil filter.

2.

Install a new oil filter and add exactly (5) five quarts of new engine oil.

3.

Install the new calibrated dipstick.

PART NUMBER

PART NAME

CLASS

E7ZZ-6750-A

Oil Dipstick - 2.3L OHC

C

E7SZ-6750-B

Oil Dipstick - 2.3L OHC

C

Turbo

OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual
OPERATION: SP870520A
TIME:

0.3 Hr. DLR. CODING: Basic Part No. 6750 - Code: 90

All Technical Service Bulletins for Engine Oil Dip Stick - Dip Stick Tube: > < Engine Mount|Service and Repair|Page 1952