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.
Idle Speed & Ignition Timing
For adjustment procedures, see ON-VEHICLE ADJUSTMENTS - FUEL INJECTION article.
| Application | Idle RPM | ||||
|---|---|---|---|---|---|
| Impulse (1) | |||||
| Non-Turbo | 850 | ||||
| Turbo | 900 | ||||
| Stylus | |||||
| SOHC (1) | |||||
| A/T | 940 | ||||
| M/T | 850 | ||||
| DOHC | 850 | ||||
|
|||||
| Application | Base Timing | ||
|---|---|---|---|
| Impulse & Stylus | (1) 9-11 | ||
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Use the Manual With the Right Hardware
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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.
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