Mta Bus Maintainer Chassis Exam Questions With Complete Solutions

23. The diagnosis of intermittent failures in computer - based engine control A. readily found using standard service bay equipment B. accomplished by displaying fault codes to the driver at the time C. sometimes accomplished by means of warning lamps on the dash D. routinely accomplished with the onboard diagnostic capability {Ans: C. sometimes accomplished by means of warning lamps on the dash}5. Excessive wear of brake linings will MOST likely cause A. stiff pedal B. drum scoring C. sticky wheel D. drag on brakes {Ans: B. drum scoring}24. If an onboard diagnostic system's fault code indicates that the Oâ‚‚ sensor is not ready , all of the following are possible causes EXCEPT A. Oâ‚‚ sensor is not functioning correctly B. defective connections or leads C. lack of Oâ‚‚ contacting sensor D. control unit is not processing Oâ‚‚ signal {Ans: C. lack of Oâ‚‚ contacting sensor}16 . What is the PROBABLE result of setting a spark plug gap more closely than normal ? A. Smoother idling B. Hard starting C. Easier starting D. Rougher idling {Ans: D. Rougher idling}25. What is the MOST probable result of incorrect camber on car wheels A. Abnormal tire wear along