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How to Pair Your UTV with a Rugged Radio to Cover a Wide Range in the Mountains

The Mechanic Doctor – Resources for Amateur and Pro Auto Mechanics
When you’re out in the wild, there’s nothing more important than staying connected. Whether you’re on a hunting trip or
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Test knock sensor

How to test a knock sensor The testing procedure for knock sensor depends on the type of knock sensor used by the carmaker. There are 3 types of knock sensors • Inductive resonant knock sensor • piezoelectric non-resonant sensors. • Piezoelectric resonant knock sensor Initial knock sensor testing Test the knock sensor resistance Using a multimeter, touch one probe to the connector on the knock sensor and the other to a metal portion of the body of the sensor. Read the resistance and compare to carmaker specs. If the resistance … Read More
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Knock sensor symptoms

Knock sensor symptoms What does a knock sensor do? A knock sensor detects knock caused by detonation, pre-ignition, or engine mechanical problems. A knock sensor doesn’t cause any of these problems; its only job is to detect vibration caused by the pre-ignition, detonation, or mechanical problem and create a voltage that is read by the ECM. An engine knocking sound will cause vibration which is picked up by the knock sensor and  reported to the ECM. If the voltage exceeds pre-determined levels, it will set one of the knock sensor … Read More
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