Ignition Coil Output
To see inductance inside the primary windings, use an amp probe placed around the positive wire for the ignition coil.
It’s Got Spark!
Why can’t you trust some spark tests?
Inspection Tips For Chain-Driven Water Pumps
If one water pump fails sooner and is replaced without an investigation, the new pump is likely doomed.
Why Alternators Are Subject To Ripple Voltage
The alternator produces an AC current that must be converted into DC current by way of a rectifier.
Repairing Wiring Harnesses
A guide to probing and poking.
Battery Management Means Knowing How It Ages
The battery may be fully charged, but you also need to measure how low the voltages go while the engine is cranking.
Detecting Misfire And Knock Conditions
Knock sensors are mounted on the block near the base of the cylinder head.
Ignition System Do’s and Don’ts
Why do ignition systems give technicians problems when diagnosing ignition-related misfires? The answer is that some technicians use tests that might give inconclusive results or do damage to the coil or drivers inside a module.
High Pressure Direct Injection Fuel Systems
The main destroyer of high-pressure fuel pumps is a lack of oil changes.
Why Do Timing Chains Stretch?
As the timing chain wears, it can change the timing of the camshaft and crankshaft.
