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 MANUALSGEO1993PRIZM L4-1600CC 1.6L DOHCREPAIR AND DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSIGNITION SYSTEMSYSTEM SPECIFICATIONS
1993 Geo Prizm L4-1600cc 1.6L DOHC
System Specifications
1993 Geo Prizm L4-1600cc 1.6L DOHCSECTION System Specifications
Spark Plug Type
NGK BKR5EYA
Nippondenso K16R-U
Spark Plug Gap 0.8 mm (0.031 in.)
Camshaft Position (CMP) Sensor Resistance (Cold) Between Terminals 3 and 6 185-275 ohms
Camshaft Position (CMP) Sensor Resistance (Cold) Between Terminals 2 and 5 370-550 ohms
Camshaft Position (CMP) Sensor Resistance (Hot) Between Terminals 3 and 6 240-325 ohms
Camshaft Position (CMP) Sensor Resistance (Cold) Between Terminals 2 and 5 475-650 ohms
Ignition Coil
Primary Coil Resistance (Cold) 1.11-1.75 ohms
Primary Coil Resistance (Hot) 1.41-2.05 ohms
Secondary Coil Resistance (Cold) 9.0-15.7 Kohms
Secondary Coil Resistance (Hot) 11.4-18.4 Kohms
Signal Rotor Air Gap 0.2-0.4 mm (0.008 - 0.016 in.)
NGK BKR5EYA
Nippondenso K16R-U
Spark Plug Gap 0.8 mm (0.031 in.)
Camshaft Position (CMP) Sensor Resistance (Cold) Between Terminals 3 and 6 185-275 ohms
Camshaft Position (CMP) Sensor Resistance (Cold) Between Terminals 2 and 5 370-550 ohms
Camshaft Position (CMP) Sensor Resistance (Hot) Between Terminals 3 and 6 240-325 ohms
Camshaft Position (CMP) Sensor Resistance (Cold) Between Terminals 2 and 5 475-650 ohms
Ignition Coil
Primary Coil Resistance (Cold) 1.11-1.75 ohms
Primary Coil Resistance (Hot) 1.41-2.05 ohms
Secondary Coil Resistance (Cold) 9.0-15.7 Kohms
Secondary Coil Resistance (Hot) 11.4-18.4 Kohms
Signal Rotor Air Gap 0.2-0.4 mm (0.008 - 0.016 in.)
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.