Engine - Intermittent Hesitation/No Start/Stalling
Article No.96-7-5
03/25/96
^ HESITATION - INTERMITTENT - HIGH AMBIENT TEMPERATURES AND/OR HIGH ALTITUDES - ALL 3.0L/3.8L VEHICLES EXCEPT FLEXIBLE FUEL VEHICLES
^ NO START - INTERMITTENT - HIGH AMBIENT TEMPERATURES AND/OR HIGH ALTITUDES - ALL 3.0L/3.8L VEHICLES EXCEPT FLEXIBLE FUEL VEHICLES
^ REDUCED POWER - INTERMITTENT - HIGH AMBIENT TEMPERATURES AND/OR HIGH ALTITUDES - ALL 3.0L/3.8L VEHICLES EXCEPT FLEXIBLE FUEL VEHICLES
^ STALLING - INTERMITTENT - HIGH AMBIENT TEMPERATURES AND/OR HIGH ALTITUDES - ALL 3.0L/3.8L VEHICLES EXCEPT FLEXIBLE FUEL VEHICLES
FORD:
1989-95 TAURUS
LINCOLN-MERCURY:
1989-94 CONTINENTAL
1989-95 SABLE
This TSB is being republished in its entirety to include a Parts Application Chart.
ISSUE:
A reduced power, hesitation, stalling at low vehicle speed, idling and/or a no start condition may occur on some vehicles in hot ambient temperatures and/or high altitudes. In addition, a no start may result while the engine is still hot and the vehicle has been parked for a short period. A stall may also occur when moving the vehicle from idle. This may be caused by a lack of vapor ports in the fuel pump, resulting in a vapor lock condition or internal high wear of the fuel pump components due to tank contaminants.
ACTION:
Perform normal diagnostic routines as described in the appropriate year Powertrain Control/Emissions Diagnosis Manual (PC/ED). If the condition still exists after all diagnostics are followed, replace the fuel pump with a new turbine fuel pump. Refer to the following Part Application Chart for correct part usage. Also, replace in-line fuel filter with a new filter (E7DZ-9155-A). The new turbine fuel pump will reduce the possibility of vapor lock in high ambient temperatures. Refer to the appropriate model/year Service Manual for removal and installation procedures.
PART NUMBER PART NAME
F4DZ-9H307-A Fuel Pump And Sender Assembly
F4DZ-9H307-B Fuel Pump And Sender Assembly
F4DZ-9H307-C Fuel Pump And Sender Assembly
F4PZ-9H307-A Fuel Pump And Sender Assembly
E7DZ-9155-A Fuel Filter
OTHER APPLICABLE ARTICLES: 94-16-3
SUPERSEDES: 95-25-2
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage For 1992-95 Vehicles And 1991 Continentals, Major Component Coverage For 1989-90 Continentals
OPERATION DESCRIPTION TIME
960705A Replace Fuel Pump And 1.3 Hrs.
In-line Fuel Filter
DEALER CODING
CONDITION
BASIC PART NO. CODE
9H307 30
OASIS CODES: 603300, 607400, 607500, 607600, 607700, 610500, 610600, 610700, 611000, 611500, 614000, 614500, 614600