If engine does not start at cranking speed troubleshooting , Mechanical Engineering

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If Engine Does Not Start at Cranking Speed

Causes of Problem

Remedy

Incorrect electrode gap of spark plug

Fouled spark plug

Spark Plug insulator cracked

Bridging of electrodes of spark plug

Insufficient or no high tension voltage reaching spark plug terminals

Low compression in engine

Engine valves sticky

Engine valve timing incorrect

Fuel lines clogged

Airlock in fuel lines/air leak in induction system

Carburettor faulty (over flooding)

Correct

Clean

Replace spark plug

Clean the electrodes

Check ignition system and rectify

Rectify

Rectify the problem

Adjust the valve timing

Clean

Rectify connections

Rectify the fault of carburettor

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