The deteriorated oxygen sensor could have contributed to the problem. Normal maintenance involves an occasional check on the coolant level. At higher engine speeds, however, the lack of coolant through the heads and block prevents sufficient flow through the heater. . High ignition coil current draw, higher than specified may be caused by which of the following? Coolant Exchange Machine Many coolant exchange machines are able to perform one or more of the following operations. Create a professional resume that lays out your experience. When an engine overheats, often the coolant overflow container boils.
What do you like working on best? Together, they cited information from. Those who do not have an educational training must show proof of at least two years of work experience. In some vehicles, the heater and air conditioning work in series to maintain vehicle compartment temperature. When the illustration is showing an electrical schematic or another system in detail, look over the system and try to figure out how the system works before you look at the question and the possible answers. However, all of these master-level technicians need to have a foundation to start their journey through this profession. All tools given in the choices are used for analyzing structural damage except one.
Cooling System Testing Visual Inspection Many cooling system faults can be found by performing a thorough visual inspection. It's not normal for the vacuum to fluctuate in an engine. Request study materials and study hard. A belt tension gauge is needed to achieve the specified belt tension. If the torque reading is below specifications, the tensioner must be replaced.
A tram gauge would provide a point-to-point measurement when a part, such as a strut tower or air cleaner, interrupts a direct line between the points. Which of these is the cause? Many manufacturers install tapered rings on their pistons factory. None of the above 17. Ask your admissions counselor if the school offers financial aid, and make sure to in order to receive federal student aid. Tech Tip: Always Use Heater Hoses Designed for Coolant Many heater hoses are sizes that can also be used for other purposes such as oil lines. The questions are standard, relevant, and related so that you can test your knowledge and master the test on your first attempt.
A technician observes a damage oxygen sensor wire on the exhaust manifold of bank 1 of a V-8 engine. All of the above 15. Most of these certifications have a specific experience requirement you will need to meet before you are awarded your certification. Normal current flow usually lasts 1. Worn piston rings will result in gray smoke emitting from the tailpipe. As a result, the belt may start to slip and make a squealing sound even if tensioned properly.
These tests are done on a computer unless you request the written test. Replace any serpentine belt that has more than three cracks in any one rib that appears in a 3 in. Vapors from the boiling liquid will blow coolant from the system. Additional exams are encouraged, but optional. If a hose breaks while the engine is running, all coolant will be lost.
Technician A says the control module is receiving an invalid key signal. Do you know what a moderately loose alternator belt might cause in a vehicle? If the engine is up to proper operating temperature, the upper radiator hose should be too hot to hold. In either case, the correct answer may not be selected. You may also want to look in the classified sections of your local newspapers. A permanent dentition consists of how many teeth? Apply for automotive tech positions. There are over 40 certification tests available and this collection covers all aspects of automotive repair.
That is why you must evaluate each statement independently. That process is invaluable to becoming a successful auto mechanic. Analysis: Answer A is wrong. The wrong answers, however, may be almost correct, so be careful not to jump at the first answer that seems to be correct. This is followed by two statements about the cause of the problem, proper inspection, identification, or repair choices. A lean mixture exhaust condition B. Set the blower speed to high.