Misfires have root causes in multiple systems. How good are you at misfire diagnostics? Test your knowledge with this quiz from AVI’s Misfire Diagnostic Strategies course.
Take this quick quiz and find out!
Which of the following is NOT one of three types of misfire found on most vehicles?* Mechanical HVAC Fuel Ignition True or False: Mechanical misfires can be diagnosed with an oscilloscope. True False Which of the following should be visually inspected when diagnosing a misfire? Battery voltage Spark Plug condition Diagnostic Trouble Codes (DTCs) All of the Above The proper inclination angle on a coil ramp should be approximately ____ degrees. 10 20 45 90 Which of these does not aid in ignition and fuel related misfires? short term fuel trim Oxygen sensor readings Exhaust pulse Total fuel trim
