Engine Testing Procedures and Fixes
Engine Testing Procedures and Fixes

Today’s cars have an onboard computer diagnostics (OBD) system that continually analyses the status of the vehicle’s components.

Engine testing can reveal problems within a car’s engine, and other major components.

As well as performance issues with the fuel injector, air flow and coolant, ignition coils, and throttle. 

However, a common misconception about car engine testing is that technicians can use code-reading tools to determine the exact problem that triggered the check engine light.

In reality, the code tells technicians which engine or component parameters are out of range, but it does not detail the cause of the problems. Finally, That’s where the good old human brain comes in handy, as the technician uses experience and expertise to diagnose the underlying problem.

Choose Your Help Topic Below

Cooling Heating System – Fan – Sensors-Thermostat – Rad Cap – Coolant

Electrical System Testing – Sensor – Relay – Ignition – Starter – Battery

Engine Mechanical – Diagnosing Internal Engine Mechanical Problems

Fuel System Testing – Fuel Pump – Injector – Regulator – Relay – Sensor

Head Gasket – Manifold Leaks – Can Both Leak Internally Or Externally

Engine Troubleshooting FAQ – Automotive Repair Help With Solutions


Car Battery – Before You Disconnect It – Know What Can Go Wrong

When started, your engine should run smooth, without shaking or hesitation.

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