Fuel Answer B is wrong. It works great on multiple choice exams like this. Test and diagnose engine performance problems resulting from charging system failures; determine needed action. Anytime there is a change in the manuals content we return old copies in exchange for new editions. Technician A says when the vacuum hose is disconnected from a vacuum operated fuel pressure regulator, fuel pressure should increase.
Inspect, test, repair, or replace ignition primary circuit wiring and components. Inspect, test, and replace ignition system sensors; adjust as necessary. Our practice exam authors, peer reviewers, editors, technical support are responsive to your needs and dedicated to you passing your exam the first time. These sensors have less resistance as temperature increases. Neither A or B 9.
If only one answer fits, great! This is true for fuel injector pulse width and negative or positive fuel trim. Our practice exam was written by an expert with strong experience, education and overall credentials. If you want printed copies to be sent to you in the mail,. Be sure to check out the auto mechanic certification requirements by state for additional information! When we add new questions, you get them Free! There are nine exams — A1 — A9 — and you must pass A1 — A8 in order to obtain Master Technician status. Technician B says this is caused by worn piston rings.
When the gate opens, exhaust by-passes the turbine wheel preventing an increase in intake manifold boost pressure. For more on training sources,. A great reference for the who, what, why, where and how of the actual exam. There's no reason you shouldn't. A kink alters the pressure and will cause higher pressure at the upstream end of the restriction and lower pressure at the downstream end. Not all techs have the same level on knowledge. Two technicians are discussing a turbocharged engine.
Here are three popular spark plug gaps and a typical firing voltage:. Exhaust Gas Recirculation 2 questions a. Once inside the software, the technician can browse, read, view all video clips and diagrams and leisurely gain all the knowledge necessary to pass the exam. We believe, that it is simply too difficult, to go to school after a hard day at work. This is because as the throttle plate opens, vacuum drops and the fuel pressure regulator's diaphragm blocks return flow. Verify camshaft timing; verify operation of camshaft timing components, including engines equipped with variable valve timing; determine needed action.
Technician B says a restricted fuel return line will cause low fuel rail pressure. Read and interpret electrical schematic diagrams and symbols. A spark tester does not fire when it is connected from the coil secondary wire to ground while cranking the engine. If you are looking to pass the Smog Inspector or Repair License come join my class. Remove, clean, inspect, test, and repair or replace fuel system vacuum and electrical components and connections.
. Test, remove, inspect, clean, service, and repair or replace power and ground distribution circuits and connections. Long-term fuel trim is a Self-Learned value. If the engine has worn piston rings, the pressure readings increase after injecting oil. Unlike monthly subscriptions, you pay only once and we have No Time Limit! Inspect fuel tank, filler neck, and gas cap; inspect and replace fuel lines, fittings, and hoses; check fuel for contaminants and quality; determine needed repairs.
The color diagrams are full of textual explanations on all the finer points relating to the A-8 Engine Performance Exam. Answer D is wrong, A is correct. After clicking on your answer, be sure to review what the correct answer and explanation. In the event that you fail the question, the program simply explains to you why you failed and all the particulars about what the correct answer should be. A crack in the cap will alter system pressure. Neither A or B 1.
Perform cylinder power balance test; determine needed action. In simple terms, a diode is a one-way check valve in an electrical circuit. In order to be fully prepared for this exam you will want to use a study guide and practice test, which are readily available online. Neither A or B 8. This will result in delayed torque converter engagement. I've taken the practice exam on this site and discovered that these questions are the closest to what I've learned in school.