Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1992TEMPO L4-140 2.3L HSCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINS
1992 Ford Tempo L4-140 2.3L HSC
Powertrain Management: Technical Service Bulletins
1992 Ford Tempo L4-140 2.3L HSCSECTION Technical Service Bulletins
- Recalls
- Customer Interest
- Fuel Pump - Whine Heard Through Radio Speakers
- Audio System - Whining/Buzzing Noise From Speakers
- Engine - Idle Speed Fluctuates At Stop After Cold Start
- EGR/PFE - MIL ON/DTC's Stored In Memory
- Engine - Bucks/Jerks/Stumbles/Hesitation
- Engine - Lean Driveability Symptoms
- Instrument Cluster Warning Lights - Dimly Lit
- Air Cleaner - Sludge/Oil Leak
- Catalytic Converter - Inlet Pipe Flange Rust
- Exhaust System - Buzzing/Rattling Noise
- Engine - Multiple Oil Leaks
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Fuel Pump - Whine Heard Through Radio Speakers
- Audio System - Whining/Buzzing Noise From Speakers
- Engine - Idle Speed Fluctuates At Stop After Cold Start
- EGR/PFE - MIL ON/DTC's Stored In Memory
- Engine - Bucks/Jerks/Stumbles/Hesitation
- Engine - Lean Driveability Symptoms
- Instrument Cluster Warning Lights - Dimly Lit
- Air Cleaner - Sludge/Oil Leak
- Catalytic Converter - Inlet Pipe Flange Rust
- Exhaust System - Buzzing/Rattling Noise
- Engine - Multiple Oil Leaks
- Driveability
- Erratic Operation
- False instrument warning light/gauges
- EGR/PFE - MIL ON/DTC's Stored In Memory
- Instrument Cluster Warning Lights - Dimly Lit
- EEC IV - Self Test Codes and MIL Service Tips
- Overview
- Overview of Three Digit EEC-IV Self-Test Codes
- 1) Technician Not Familiar With Self-Test Code Output
- 2) Inadvertent Erasure of Continuous Memory Self-Test Codes
- 3) Concern Setting Continious Memory Code Isn't Present
- 4) Grounded STO/MIL Circuit
- 5) Engine Running In Hlos
- 6) Misinterpretation of MIL Bulb Check
- 7) MIL Flashes During Self-Test
- 8) Processor KAM Is Erased or Fails
- 9) Damaged Star Tester
- 10) KOEO Processor Ram Test Failed
- 11) Intermittent VSS Fault Detected In Wiggle Mode
- 12) IDM Pulswidth Not Recognized By Processor (EDIS Vehicles)
- 13) Intermittent Ignition System Fault
- 14) Intermittent Open STI Circuit
- 15) Power Lost to EEC Processor
- 16) Other Warning Lamps Mistaken For MIL
- 17) Development Testing /Wrong Processor Released to Production
- Leaks
- Noise
- Recalls
- All Technical Service Bulletins
- Fuel Pump/Sender - Obsolete Parts Purge
- Fuel Pump - Whine Heard Through Radio Speakers
- Audio System - Whining/Buzzing Noise From Speakers
- Deposit Resistant Fuel Injectors - Identification
- Fuel Injectors - Non Warranty Reimbursement Testing
- Engine - Idle Speed Fluctuates At Stop After Cold Start
- Heated Exhaust Gas Oxygen Sensor - Application Chart
- EGO Sensors - Silicone Contamination
- EGR/PFE - MIL ON/DTC's Stored In Memory
- Engine - Bucks/Jerks/Stumbles/Hesitation
- Mass Air Flow Sensor - Assembly Replacement
- Engine - Lean Driveability Symptoms
- Instrument Cluster Warning Lights - Dimly Lit
- Recall - Ignition Switch Replacement
- Recall 96V071000: Ignition Switch Short Circuit
- Air Cleaner - Sludge/Oil Leak
- Recall - PCV System Modification
- Catalytic Converter - Inlet Pipe Flange Rust
- Ignition System Diagnostics - Revision
- Overview
- 8A-1 Ignition System Application
- 8A-73 Mustang DIS No Start
- 8A-87 IDM Open, High or LT Coil Pack Failure, Code 218
- 8A-30 DIS No Start and/or Code 224 Coil Failure
- 8A-103 DIS Code 213/412 or No Code and Lack of Power
- 8A-175 SEFI-SHO and DIS Diagnostics By Code and Symptom
- 8A-179 SEFI Sc DIS No Start
- 8A-187 IDM Low or CID to DIS Open, Code 212
- SEFI Sc DIS Code: 215, 216 or 217 Coil Failure
- Emission Control - Part/System Name Standardization
- MIL ON/No Codes Set Explanation
- EEC IV - Self Test Codes and MIL Service Tips
- Overview
- Overview of Three Digit EEC-IV Self-Test Codes
- 1) Technician Not Familiar With Self-Test Code Output
- 2) Inadvertent Erasure of Continuous Memory Self-Test Codes
- 3) Concern Setting Continious Memory Code Isn't Present
- 4) Grounded STO/MIL Circuit
- 5) Engine Running In Hlos
- 6) Misinterpretation of MIL Bulb Check
- 7) MIL Flashes During Self-Test
- 8) Processor KAM Is Erased or Fails
- 9) Damaged Star Tester
- 10) KOEO Processor Ram Test Failed
- 11) Intermittent VSS Fault Detected In Wiggle Mode
- 12) IDM Pulswidth Not Recognized By Processor (EDIS Vehicles)
- 13) Intermittent Ignition System Fault
- 14) Intermittent Open STI Circuit
- 15) Power Lost to EEC Processor
- 16) Other Warning Lamps Mistaken For MIL
- 17) Development Testing /Wrong Processor Released to Production
- Exhaust System - Buzzing/Rattling Noise
- Recall - Modification of PCV System
- Engine - Multiple Oil Leaks
- Fuel Economy - Customer Expectation vs. Vehicle Usage
- Flywheel Timing Mark - Identification
- Fuel - California Reformulated Gasoline
- Fuel - Volatility Related Driveability Concerns
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.