Ase A8 Verified 100% Solution

ASE A8 VERIFIED 100% SOLUTION spark plug wire resistance should be - ANSWER 5000 to 10000 ohms how do you test spark plug cables insulation - ANSWER spray it with salt water The specification, such as 10 BTDC, indicates that - ANSWER indicates that the spark occurs at 10 degrees before top dead center of the compression stroke With an increase in speed, ignition must begin - ANSWER earlier to end by 23 degrees ATDC Each cylinder must produce power once every - ANSWER 720 degrees what is the differance between tbi pfi and gdi - ANSWER throttle body injection port fuel injection gas direct injection ideal air to fuel ratio is - ANSWER 14.7:1 EGR valve, air pump, and evaporative emissions canister are controlled by the - ANSWER pcm what is open loop mode? - ANSWER when the engine is too cold to burn all fuel the engine doesn't respond to sensor feedback Fail-Safe or Limp-In Mode - ANSWER ether usses other signals to compensate for out of range sensors or limits the rpm to 1200 tps adaptive strategy does what - ANSWER if something like the tps drops from its normal range it will adjust for wear by adding voltage. Air induction system - ANSWER An engine system that directs outside air into the engine's intake manifold Closed loop - ANSWER An electronic feedback system in which the sensors provide constant information on what is taking place in the engine Drive cycle - ANSWER The operating conditions that must exist before OBD II selfdiagnosis can take place. It includes an engine start and operation that brings the vehicle into closed loop and includes whatever specific operating conditions are necessary, either to initiate and complete a specific monitoring sequence or to verify a symptom or repair. Enable criteria - ANSWER The operating conditions that must be met to run some OBD II monitors. obd2 Freeze frame - ANSWER With this feature of OBD II systems, the PCM takes a snapshot of the activity of various inputs and outputs at the time the PCM illuminated the MIL Parameter identification (PID) - ANSWER A scan tool display for OBD II systems that shows current emission-related data values of inputs and outputs, calculated values, and system status information. Trip - ANSWER An OBD II drive cycle that includes all of the conditions basic diagnostic checks 4 - ANSWER 1battery voltage and charging system operation 2check for open fuses 3vissually inspect componants of system 4check for aftermarket parts what does a scan tool use a PID for - ANSWER obd2 standardized system like the coolant temp sensor when connecting the scan tool what two things should have been done? - ANSWER get engine at operating temp set key to off KOEO self test - ANSWER key on engine off KOER self test - ANSWER Key on engine running obd2 mode 6 data - ANSWER allows to monitor data on any scan tool. can check for missfires. oxogen sensors ect visual inspections after finding a dtc - ANSWER check vacuum lines check belts check battery and connections inspect wiring for sensors and outputs check coolant and condition of it check air filter and inlet check for exhaust leaks if no dtc are present - ANSWER see if data is within normal ranges pcm power and ground are in good condition identify all vehical mods tire inflation Hard Start/Long Crank symptom with no dtcs - ANSWER componants/system Starting System Fuel/Ignition/Computer Intake Air System MAF Sensor Exhaust System PCV System EVAP System possible cause