Tempo L4-140 2.3L CFI (1985)
Authorized Modification decal
Obtain an Authorized Modification decal and list the date, dealer number and summary of alterations performed. Select a prominent place adjacent to the
Vehicle Emission Control Information decal suitable for installing the Authorized Modifications decal. Clean the area, install the decal and cover it with
a clear plastic decal shield.
3.
Check for proper fuel pump/check valve operation. (See Procedure 1, page 35). Check for injector/regulator integrity. (See Procedure 2 on page
37). Check integrity of fuel pressure regulator, fuel filter and fuel return line. (See Procedure 3 on page 38).
4.
Check the throttle stop screw and adjust to 590 RPM (ATX) 640 RPM (MTX) maximum. Check TV Linkage Rod adjustment per TSB 85-9-29.
(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.