trouble shooting Flashcards
if an engine will not fir, what is the most like cause?
defective distributor
faulty coil
battery discharged
bad condenser
how would you detect a bad spark plug?
start the enginee
with an insulated handle screw driver, ground each plug to the engine,
the good plug will cause the engine to struggle but
the bad won’t
how would detect a bad condenser?
difficulty in starting
burning of contact points (the points would have a whitish appearance)
how would you detect a bad coil?
difficulty in starting, then the coil would become overheated
if the starter will not turn the engine
what are the most likely causes?
generator not charging
loose battery terminals
faulty starter switch
defective starter
what can cause a spark plug to foul?
when oil is forced between the cylinder wall and piston into the combustion chamber,
due to worn cylinder or broken piston rings.
what is the most likely cause of gas not reaching the carburetter?
lack of petrol in tank
choked gas line
faulty petrol pump
defective needle valve
what can cause an engine to misfire?
detached spark plug wire faulty coil unseated valves bad spark plug a faulty cylinder