Cylinder Leak Down Test – What Are The Results Telling You

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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). […]

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Tags: Auto Mechanic, Auto Repair, Mid Ohio Mobile Mechanic

Throttle Position Sensor (TPS) – Function – Failure – Testing

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So, the throttle position sensors function (TPS), is to supply vital information to the vehicles engine control unit (ECU). And, this information is based on, Continue reading

Crankshaft – Camshaft Position Sensor – Testing The Easy Way

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When a Crankshaft – Camshaft Position Sensor goes BAD, your vehicle will not start. Distributorless Ignition Systems (DIS) require a Crankshaft Position Sensor (CKP), and Continue reading

Bubble Test – Used In Conjunction, With A Cylinder Leak Down Test

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So, to determine the health of a head gasket, between two cylinders, try doing a bubble test. If you believe you have a leak, but Continue reading

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

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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 Continue reading

Crankshaft Position Sensors – Function, Failure, Diagnosis, Testing

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Crankshaft position sensors, produce a signal, that talks to the engine control module (ECM) / engine control unit (ECU). Consequently, providing the exact position of Continue reading

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