June 2022

Battery Conductance Testing — What is it? Most DIYers think that a battery’s voltage is the only indication of its condition. Wrong. Battery voltage only tells you the battery’s State of Charge (SOC), it does not tell you anything about the battery’s State of Health (SOH). To determine battery SOH, you need to conduct either a load test, an internal resistance test or a battery conductance test. What is a battery load test? Using a carbon pile, the battery is loaded to half of its rating cold cranking amp ratings. … Read More
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Most Common Causes of Alternator Failure Electrical causes of alternator failure 1) Attempting to fully recharge a dead battery using the vehicle’s alternator. The alternator is designed to replenish the battery from the last start and to supply extra power during engine operation. It is NOT designed to output maximum current and voltage for long periods, especially at low engine RPMs found at idle. This causes the rotor, stator and diodes to overheat and fail. Prolonged Maximum Charging Output will cause premature alternator failure. Never operate your alternator for more … Read More
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Alternator voltage drop test — How to What does an alternator voltage drop test prove? An alternator voltage drop test is done to prove the connections between the alternator B+ out and the positive battery terminal and the alterantor’s case grounding to the battery – terminal You’ll need a multimeter set to DC volts to perform an alternator voltage drop test Step 1: Test for voltage drop on the positive side of the alternator circuit Touch one lead to the B+ terminal on the back of the alternator and the … Read More
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Kia P2096 Post Catalyst Fuel Trim System too Lean (Bank 1) Diagnose and fix Kia P2096 Post Catalyst Fuel Trim System too Lean (Bank 1) Kia constantly monitors the upstream and downstream oxygen sensors and constantly changes fuel trims to compensate for rich/lean readings. To properly diagnose a Kia P2096, read the live data on a scan tool for the upstream and downstream oxygen sensors. The upstream sensors should rapidly switch from low to high voltage while the downstream sensor should stay at around 0.6-0.7-volts. If your readings show rapid … Read More
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The Mechanic Doctor – Resources for Amateur and Pro Auto Mechanics
When it’s time to purchase an extended warranty for your new car, it’s crucial to do your research and find
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The Mechanic Doctor – Resources for Amateur and Pro Auto Mechanics
In the matter of selecting the best motorsport tires, the most significant factors to keep into consideration are the size,
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The Mechanic Doctor – Resources for Amateur and Pro Auto Mechanics
It’s no secret that shipping cargo can be a complicated and expensive process. But what if there were ways to
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The Mechanic Doctor – Resources for Amateur and Pro Auto Mechanics
If you’ve made your way to this article, odds are you are pretty familiar with the Ford Bronco, or at
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The Mechanic Doctor – Resources for Amateur and Pro Auto Mechanics
Whenever you’re behind the wheel, there’s always potential for something to go wrong. But some automotive problems are more common
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