Ase a8 engine performance - Study guides, Class notes & Summaries

If the compression is 5 psi and the oem spec is 140 psi, what most likely is the cause? A, worn piston ring. B, burnt valve. Both A and B What most likely is the cause if the compression doesn't go up during a wet compression test? A, burnt valve. B, worn piston ring. A What most likely is the cause if the compression goes up during a wet compression test? A, burnt valve. B, worn piston ring. B 2. Blue smoke is coming from the exhaust pipe of a vehicle, what most likely is the cause? ...

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 connector d.) 1.5v from sensor harness C An oxygen sensor is reading 400mv, what would this indicate lean condition What increases NOx emissions? High combustion temperatures You have examined ...

ASE A8 Practice Test - ASE A8 Engine Performance Test Prep - Test 1

ASE-A8 Engine performance GRADED A+

ASE-A8 Engine performance Study Guide Questions with Correct Answers . 1. What does a wet compression test, test for? - Correct answer-Burned valve would show no change in compression. A leaking/worn piston would have some change in compression. What most likely is the cause if the compression doesn't go up during a wet compression test? A, burnt valve. B, worn piston ring. - Correct answer-A What most likely is the cause if the compression goes up during a wet compression t...

ASE-A8 Engine performance Test 2023 Questions and Answers 1. If the compression is 5 psi and the oem spec is 140 psi, what most likely is the cause? A, worn piston ring. B, burnt valve.: Both A and B 2. What most likely is the cause if the compression doesn't go up during a wet compression test? A, burnt valve. B, worn piston ring.: A 3. What most likely is the cause if the compression goes up during a wet compression test? A, burnt valve. B, worn piston ring.: B 4. 2. Blue smoke is c...

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 inspection while in normal running position, movement is felt between the tie rod stud and the socket while the tire is moved in and out Torsion bars, exception are not interchangeable blue grey smoke is...

If the compression is 5 psi and the oem spec is 140 psi, what most likely is the cause? A, worn piston ring. B, burnt valve. - ANSWER-Both A and B What most likely is the cause if the compression doesn't go up during a wet compression test? A, burnt valve. B, worn piston ring. - ANSWER-A What most likely is the cause if the compression goes up during a wet compression test? A, burnt valve. B, worn piston ring. - ANSWER-B 2. Blue smoke is coming from the exhaust pipe of a ve...

ASE-A8 Engine performance Test 2023 Questions and Answers

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 the following are tests performed on the PCV system EXCEPT: A. The rattle test B. The snap- back test C. Crankcase vacuum test D. Blowby test C. Faulty secondary ignition components are common c...