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 MANUALSHONDA1991ACCORD DX, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGIDLE SPEED & IGNITION TIMING
1991 Honda Accord DX, 4D Sedan, Standard
Idle Speed & Ignition Timing
1991 Honda Accord DX, 4D Sedan, StandardSECTION Idle Speed & Ignition Timing
Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ADJUSTMENTS article in the ENGINE PERFORMANCE section.
IDLE SPEED SPECIFICATIONS (1)
| Application | RPM | ||||
|---|---|---|---|---|---|
| 2.2L | 550-650 | ||||
| After ECU Reset | |||||
| No Load | 700-800 | ||||
| Under Load | 720-820 | ||||
|
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IGNITION TIMING (Degrees BTDC@RPM)
| Application | Setting |
|---|---|
| Accord | 13-17 @ 700-800 |
RENDER: 1.0x
NO RELATED
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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.