MICHIGAN ENGINE TUNEUP SOS EXAM
QUESTIONS WITH COMPLETE
ANSWERS
what will cause fuel smell - Answer-stuck open purge valve
voltage spike not high enough on one cylinder - Answer-failed spark plug
flash ing check engine light - Answer-misfire
a catalytic converter - Answer-turns hc into c02 and h20
during cylinder leakage test air escapes at the throttle body - Answer-leak at intake
valve
a car with this will not start - Answer-bad crank sensor
in efi fuel pressure is controlled by - Answer-engine vacuum
if egr valve goes out the fumes can go back into the intake and cause - Answer-rough
idle and stalling
injector pulse width is - Answer-the time an injector is open
the carbon canister is a part of - Answer-the fuel recovery
white spark plug tip - Answer-too hot
a leaking intake manifold can cause - Answer-a lean condition because additional air
makes it into the combustion chamber
a fouled sparkplug would - Answer-increase emissions
runs rough and backfires around throttle body - Answer-intake valve leak
how is a rotary engine different from a conventional engine - Answer-no connecting rods
or pistons
the egr system is designed for - Answer-cruising conditions
bad compression - Answer-can be caused by bad valves and piston rings
QUESTIONS WITH COMPLETE
ANSWERS
what will cause fuel smell - Answer-stuck open purge valve
voltage spike not high enough on one cylinder - Answer-failed spark plug
flash ing check engine light - Answer-misfire
a catalytic converter - Answer-turns hc into c02 and h20
during cylinder leakage test air escapes at the throttle body - Answer-leak at intake
valve
a car with this will not start - Answer-bad crank sensor
in efi fuel pressure is controlled by - Answer-engine vacuum
if egr valve goes out the fumes can go back into the intake and cause - Answer-rough
idle and stalling
injector pulse width is - Answer-the time an injector is open
the carbon canister is a part of - Answer-the fuel recovery
white spark plug tip - Answer-too hot
a leaking intake manifold can cause - Answer-a lean condition because additional air
makes it into the combustion chamber
a fouled sparkplug would - Answer-increase emissions
runs rough and backfires around throttle body - Answer-intake valve leak
how is a rotary engine different from a conventional engine - Answer-no connecting rods
or pistons
the egr system is designed for - Answer-cruising conditions
bad compression - Answer-can be caused by bad valves and piston rings
