Pittstate Engine Performance 1 Final Exam 2023 Study Guide with correct answers
Tech A says that the first step in the diagnostic process is to verify the problem (Concern) Tech B says the second step is to perform a thorough visual inspection. Which Tech is correct. correct answers Both Tech A & Tech B Which step should be performed last when diagnosing an engine performance problem? correct answers Verifying the repair Tech A says that reprogramming a PCM using the J2534 System requires a factory scan tool. Tech B says Reprogramming a PCM using the J2534 system requires internet access. correct answers Tech B only What is the last step in diagnosis process is... correct answers Verifying the repair Type A & B diagnostic trouble codes (DTC) are related to vehicle... correct answers Emissions Using the scan tool to clear a trouble code will also erase... correct answers Freeze frame data Tech A says when using a scan tool the year of the vehicle is not important as long as the make and model are correct. Tech B says using the wrong year with the scan tool may result in incorrect data. correct answers Tech B Tech A says that knowing whether there are any stored DTCs may be helpful when checking for any TSBs. Tech B says that only a factory scan tool should be used to check DTCs. correct answers Tech A Some DTCs require a certain number of trips before they will set a code and turn on the MIL. A type A code will set a MIL after _____ Trip(s) correct answers 4th Which method can be used to reprogram a PCM A) Remote B) Direct C) Off board D) All of the above correct answers All the above Two techs are discussing oil leaks. Tech A says oil leaks can be found using fluorescent dye in the oil with a black light to check for leaks. Tech B says a white spray powder can be used to check for oil leaks. correct answers Both Tech A and Tech B Which of the following is the least likely to cause engine noise. correct answers Vacuum Leak A smoothly operating engine depends on... correct answers Equal compression on most cylinders
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tech a says that the first step in the diagnostic process is to verify the problem concern tech b says the second step is to perform a thorough visual inspection which tech is correct