Why does the old Mazda 6 have no response when starting?

2 Answers
KevinRose
07/28/25 8:12pm
Reasons why the old Mazda 6 has no response when starting: 1. Dead battery; 2. Starter motor failure; 3. Fuel pump supply issue; 4. Fuel injector problem; 5. Sensor malfunction; 6. Excessive carbon buildup in the vehicle; 7. Lack of antifreeze, causing the entire cooling system to freeze, leading to engine cracks and preventing the car's water pump from functioning. The Mazda 6 has a body size of 4670mm in length, 1780mm in width, and 1435mm in height, with a wheelbase of 2675mm. The Mazda 6 features front-wheel drive, a front suspension type of double-wishbone independent front suspension with a stabilizer bar, a rear suspension type of E-type multi-link independent rear suspension, and a unibody structure.
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RileyMarie
08/12/25 1:01am
I've encountered this issue with the old Mazda 6 failing to start many times. The most common cause is battery problems—either the battery is dead or the terminals are corroded, leading to poor connection and no power supply. The starter is another critical component; if there's no clicking sound or motor turning noise when you turn the key, the starter might be burnt out. Worn ignition switches can also prevent signals from getting through, especially in older cars that have been used for over a decade—the switch contacts may have degraded. Don’t forget to check the fuses and relays; look for the ignition fuse in the engine bay or the fuse box under the dashboard, and replace it if it’s blown. Also, inspect the fuel pump or crankshaft position sensor—if these sensors fail, the engine won’t respond. I recommend not forcing it yourself and taking the car to a repair shop early for a diagnostic scan—safety first. Regular maintenance and checking the battery and connections can prevent a lot of trouble.
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