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 MANUALSHONDA1993ACCORD L4-2156CC 2.2L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESENGINE DIFFICULT TO START WHEN COLD
1993 Honda Accord L4-2156cc 2.2L SOHC
Engine Difficult to Start When Cold
1993 Honda Accord L4-2156cc 2.2L SOHCSECTION Engine Difficult to Start When Cold
Check:
1. Engine Coolant Temperature (ECT) Sensor (code 6)
2. Fast Idle Thermo Valve
3. Manifold Absolute Pressure (MAP) Sensor (code 3,5)
4. TDC/CRANK/CYL Sensor (code 4,8,9)
5. Barometric Pressure (BARO) Sensor (code 13)
6. ENGINE CONTROL MODULE (ECM) (BU)
(BU) code used when the MALFUNCTION INDICATOR WARNING LAMP is on. Jump the service check connector, if no code is displayed (MALFUNCTION INDICATOR WARNING LAMP stays on steady), the back-up system is in operation.
Self-diagnosis indicator, (MALFUNCTION INDICATOR WARNING LAMP) blinks (?), will follow associated systems.
1. Engine Coolant Temperature (ECT) Sensor (code 6)
2. Fast Idle Thermo Valve
3. Manifold Absolute Pressure (MAP) Sensor (code 3,5)
4. TDC/CRANK/CYL Sensor (code 4,8,9)
5. Barometric Pressure (BARO) Sensor (code 13)
6. ENGINE CONTROL MODULE (ECM) (BU)
(BU) code used when the MALFUNCTION INDICATOR WARNING LAMP is on. Jump the service check connector, if no code is displayed (MALFUNCTION INDICATOR WARNING LAMP stays on steady), the back-up system is in operation.
Self-diagnosis indicator, (MALFUNCTION INDICATOR WARNING LAMP) blinks (?), will follow associated systems.
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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.