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Oil Mixed With Coolant: Causes and Effects

07/19/2026

Engine oil mixed with coolant in the cooling system is very common. Especially, after a blown or leaking head gasket. So, you opened your coolant tank or the rad cap, and see that the coolant —READ-MORE

Rocker Arms Dislodging: Along With Valve Seats Falling Out

07/13/2026

Rocker arms dislodging on certain engines is a common problem, and is usually misdiagnosed. So, a customer comes in and complains of a poor running engine. After diagnosing it, you find engine misfire codes. Frequently, —READ-MORE

Automatic Shutdown (ASD) Relay: Function – Failure – Testing

07/07/2026

The function of the automatic shutdown (ASD) relay, is to shut off power to major systems. When the key is turned off, as a safety feature. So, when the automatic shutdown (ASD) relay is on. —READ-MORE

Thermostat Problems: Will Affect Your Engine’s Performance

07/01/2026

Almost all thermostat problems, will have some effect, on your car’s performance. The thermostats purpose, is to keep the engine at its proper operating temperature. So, the thermostat, is just a simple valve. It opens —READ-MORE

Diesel Engine Issues: The Answers May Be In The Exhaust Smoke

06/23/2026

Diesel engine issues are frustrating, and can be costly to repair. Computer generated fault codes, only go a certain distance to point you in the direction of the problem. Consequently, finding and solving diesel engine —READ-MORE

Cylinder Leak Down Test: What Are The Results Telling You

06/15/2026

Doing a cylinder leak down test, especially in conjunction with a compression test. Should allow you to quickly determine, the basic condition of any engine. So, a compression test is a “dynamic test” (engine moving). —READ-MORE

Rear Engine Oil Leaks: Finding The Real Location Of The Leak

06/02/2026

Rear engine oil leaks, that are confused with a rear main seal leak, are usually an oil pan gasket leaking. Consequently, an oil pan gasket is also, much less expensive to replace, than a leaking —READ-MORE

Camshaft Position Sensor Symptoms, Testing & Replacement (CMP Guide)

05/09/2026

Modern engines rely on multiple sensors to manage ignition timing, fuel injection, and emissions control. One of the most important of these is the camshaft position sensor, commonly called the CMP sensor. The CMP sensor —READ-MORE

Crankshaft Position Sensor Symptoms, Testing & Replacement (CKP Guide)

05/09/2026

Modern engines use multiple electronic sensors to control ignition timing, fuel delivery, and emissions. One of the most important of these is the crankshaft position sensor, commonly called the CKP sensor. The CKP sensor monitors —READ-MORE

Honda OBD1 Codes: How to Read Check Engine Light Without a Scanner

05/04/2026

It’s the weekend, you’re out enjoying a drive—and suddenly, your check engine light comes on. Now you’re left wondering: what’s wrong with the engine? The good news is that if your vehicle uses OBD1, you —READ-MORE