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 MANUALSMAZDA1995626 L4-1991CC 2.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULETESTING AND INSPECTIONWITH AUTOMATIC TRANSAXLE (ATX)
1995 Mazda 626 L4-1991cc 2.0L DOHC
With Automatic Transaxle (ATX)
1995 Mazda 626 L4-1991cc 2.0L DOHCSECTION With Automatic Transaxle (ATX)
INSPECTION
1. Measure the voltage of the PCM terminals as follows.
- 4 (Ignition control module)
- 50 (Mass air flow sensor)
- 24 (Camshaft position sensor)
2. Check the condition of the connector, distributor, ignition coil, and high-tension leads.
3. If all are normal, but misfire still occurs, replace the ignition control module.
1. Measure the voltage of the PCM terminals as follows.
- 4 (Ignition control module)
- 50 (Mass air flow sensor)
- 24 (Camshaft position sensor)
2. Check the condition of the connector, distributor, ignition coil, and high-tension leads.
3. If all are normal, but misfire still occurs, replace the ignition control module.
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.