Technician A says most OEMs (original equipment manufacturers) recommend an oil change interval of 7,500 to 12,000 miles, or every 6 month. Technician B says oil change intervals are controlled electronically through an oil life monitor on the dash. Who is right? correct answers Both A and B
The...
ASE 21-30 (100% Guaranteed)
Technician A says most OEMs (original equipment manufacturers) recommend an oil change interval of
7,500 to 12,000 miles, or every 6 month. Technician B says oil change intervals are controlled
electronically through an oil life monitor on the dash. Who is right? correct answers Both A and B
The engine oil pan uses a RTV (Room Temperature Vulcanizer) silicone sealer instead of a gasket.
Technician A says you cannot wait more than 3 minutes before assembling the pan to the engine.
Technician B says you can use either silicone sealer or anaerobic sealer to install the oil pan. Who is
right? correct answers A only
All of the following tasks are done when checking secondary ignition components during ignition system
maintenance, EXCEPT: correct answers Do a voltage drop across coil terminals
Technician A says if the PCV (Positive Crankcase Ventilator) valve is clogged, the engine could have a
rough idle. Technician B says that the PCV valve rattles when it is working properly. Who is right?
correct answers A only
The throttle body is being serviced on a fuel injected engine. Technician A says to check for gasoline at
the vacuum port of the fuel-pressure regulator. Technician B says to check for carbon deposits at the
throttle plate. Who is right? correct answers Both A and B
Routine exhaust system maintenance is being done during a state inspection. Technician A says exhaust
leaks often show up as black carbon lines coming from any breaks in the system. Technician B says a
cracked exhaust manifold makes a clicking sound like a valve with excessive clearance. Who is right?
correct answers B only
When replacing an air filter, the technician should: correct answers Make sure dirt does not fall into the
opening
Technician A says the emission maintenance reminder automatically turns on the dash light to indicate
the need for an emission control system service. Technician B says faulty evaporative emissions control
system purge solenoid can cause the fuel tank to collapse. Who is right? correct answers Both A and B
Which diagnostic tool plugs into the DLC (Data Link Connector) to allow the technicians to read DTCs
(Diagnostic Trouble Codes)? correct answers Both b and c (scan tool and laptop computer)
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