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B2300 Base, Automatic
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Symptom Troubleshooting Chart - Engine Cooling
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Cooling System Pinpoint Test 4: Block Heater Does Not Operate Properly
Cooling System Pinpoint Test 4: Block Heater Does Not Operate Properly
Fig 1: Cooling System Pinpoint Test 4: Block Heater Does Not Operate Properly
Courtesy of MAZDA MOTORS CORP.