What to Do When the FAW J6 Doesn't Respond to Turning the Key?

2 Answers
LaZane
07/28/25 8:06pm
Here are the solutions when the FAW J6 doesn't respond to turning the key: 1. Change the engine oil: Check if the engine oil and coolant are sufficient. Consider replacing the engine oil with one suitable for the current temperature conditions. 2. Clean the engine: Inspect the generator for any abnormalities and the condition of the carbon brushes. If necessary, it is recommended to clean the engine or adjust the fuel pump. 3. Professional repair: If the issue is with the electronically controlled fuel injection engine, seek professional repair services. Below is an introduction to the FAW J6 truck: The FAW J6 truck is a commercial vehicle developed by FAW Jiefang Automotive Co., Ltd. It is equipped with an electronically controlled engine, ECAS electronically controlled four-airbag air suspension, ABS, and ASR advanced braking technologies, making it suitable for long-distance highway transportation and special goods transport.
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FranciscoLee
08/12/25 12:55am
This is quite common in our veteran driver circles. Having driven trucks for decades, my first reaction when the key won't start is to check the battery - power loss is the most frequent culprit. First see if dashboard lights come on - if completely dark, there's an 80% chance it's a dead battery, either from prolonged parking drain or alternator failure. Then test the headlights; if dim, that confirms it. Loose or corroded battery terminals can also cause poor contact - clean and tighten them. If that fails, check the starter motor - could be gear jamming or wire corrosion. For safety, don't disassemble randomly; get help for push-starting or visit a professional shop for voltage/circuit tests. Cold weather worsens such failures - regular battery maintenance prevents headaches. Always inspect terminals and charge status pre-trip.
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