1997 Geo Metro BaseFACTORY OEM SERVICE PROCEDURE

Distributor Sensors

PICK-UP COIL AIR GAP (1)

Application Clearance In. (mm)
Metro & Firefly (Canadian) .008-.016 (.20-.41)
(1) This may also be referred to as Camshaft Position (CMP) sensor.
PICK-UP COIL RESISTANCE (1)

Application Ohms
Measured Between Terminals No. 1 & 2
Cold (2) 185-275
Hot (3) 240-325
(1) This may also be referred to as Camshaft Position (CMP) sensor.
(2) Cold temperatures between 14-122°F (-10-50°C).
(3) Hot temperatures between 122-212°F (50-100°C).
Factory Service Tools

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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.