Troubleshooting a Truck That Won’t Start When the Battery is Good: What to Check and How to Fix It
If you’ve ever been stuck in a situation where your truck won’t start, even though the battery is good, you know how frustrating it can be. It’s a common problem, and one that can be solved with a bit of troubleshooting.
First, check the basics. Make sure the battery is securely connected and that the terminals are clean and free of corrosion. If the battery is good, then it’s time to move on to the next step.
Check the starter. If the starter is bad, it won’t be able to turn the engine over. You can test the starter by turning the key in the ignition and listening for a clicking sound. If you don’t hear anything, then the starter is likely the culprit.
Series
Lithium Voltage
LiFePO4 Voltage
1S
3.7V
3.2V
2S
7.4V
6.4V
3S
11.1V
9.6V
4S
14.8V
12.8V
5S
18.5V
16V
6S
22.2V
19.2V
7S
25.9V
22.4V
8S
29.6V
25.6V
9S
33.3V
28.8V
10S
37V
32V
11S
40.7V
35.2V
12S
44.4V
38.4V
13S
48.1V
41.6V
14S
51.8V
44.8V
15S
55.5V
48V
16S
59.2V
51.2V
17S
62.9V
54.4V
18S
66.6V
57.6V
19S
70.3V
60.8V
20S
74V
64V
21S
77.7V
67.2V
22S
81.4V
70.4V
23S
85.1V
73.6V
Next, check the fuel system. If the fuel pump isn’t working, then the engine won’t get the fuel it needs to start. You can test the fuel pump by turning the key in the ignition and listening for a humming sound. If you don’t hear anything, then the fuel pump is likely the problem.
Finally, check the spark plugs. If the spark plugs are bad, then the engine won’t be able to ignite the fuel. You can test the spark plugs by removing them and inspecting them for signs of wear and tear. If they’re worn out, then they need to be replaced.
If all of these components are in good working order, then it’s time to move on to more complex troubleshooting. You may need to check the fuel injectors, the ignition system, or the computer system.
Troubleshooting a truck that won’t start can be a daunting task, but with a bit of patience and some basic knowledge, you can get your truck running again in no time.
