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.
1994 Geo Metro XFiFACTORY OEM SERVICE PROCEDURE
Signal Rotor/Camshaft Position (CMP) Sensor
Measure signal rotor/CMP sensor air gap. If gap is not .008-.016" (.20-.40 mm), adjust or replace distributor. Check signal rotor/CMP resistance. See I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.