ASE A8 Engine Performance Certification Q&A Bundle

Proper Engine Performance -Emission levels that are allowances and good fuel economy, that all depend on a quality. -Well timed spark, fuel, air, and compression are factors that determine the quality. -No matter how complicated the engine and its controls become, it will always depend on those 4 ...

What are the key components in an EVAP system? Fuel Tank, gas cap, lines/hoses, and charcoal canister Catalytic Converter: Oxidizes NOx into CO and HC When testing a connector what is an acceptable reading? a.) 1V from ground side b.) 1V from positive/reference side c.) .5V from at each con...

During a leak down test, air could be heard coming from the tail pipe. An exhaust valve not sealing When a cylinder head with an overhead camshaft is discovered to be wrapped, what is the repair option? check for cracks, straight in the head, and then surface the head Rack and pining inspectio...

D. The PCV valve should rattle when shaken back and forth. When the thumb is placed over the end of the PCV valve with the engine idling, the plunger should snap back. A water manometer can be used to check the crankcase for vacuum at idle. No blowby test is performed on the PCV system. All of t...

High Hydro Carbons indicate... Engine misfire; Incomplete burning of fuel, Ignition fault Lean misfire Thermostat (engine temp. too low) High CO indicates... Rich condition; Leaking fuel injector or fuel-pressure regulator Clogged air filter or PCV system Excessive fuel pressure High NOx...

A hesitation on acceleration can be caused by? A faulty Throttle position sensor A leak in the vacuum hose to a MAP sensor may cause? A higher-than-normal reading from the sensor and can cause hesitation during acceleration Tools that can be used to diagnose emission faults without a DTC. Powe...