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
Ensure idle speed and base ignition timing are set to specification. Refer to the appropriate IDLE SPEED SPECIFICATIONS table and/or IGNITION TIMING table in this article. If necessary, see ADJUSTMENTS article for adjustment procedures.
| Application | Idle RPM | |||
|---|---|---|---|---|
| X-90 | ||||
| A/C Off | 750-850 | |||
| A/C On | 950-1050 | |||
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| Application | (2) Percent | ||||
|---|---|---|---|---|---|
| X-90 | 50 | ||||
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| Application | Man. Trans. | Auto. Trans. | ||||
|---|---|---|---|---|---|---|
| X-90 | (2) 4-6 @ 800 | (2) 4-6 @ 800 | ||||
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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.