On which trip will the ECM or PCM turn on the malfunction indicator lamp?
On which trip will the ECM or PCM MOST likely turn on the Malfunction Indicator Lamp (MIL)? It is MOST likely that on the first trip a misfire condition can occur that can damage the three way catalyst (TWC) due to overheating.
How long does it take for a car to go through a Drive Cycle?
How Long does it Take to Complete a Drive Cycle. Preparation for it will take eight hours but, all in all, a basic drive cycle test should take around 30 minutes to complete, with about 20 minutes of actual driving. Understanding your vehicle’s overall health can help you ensure it drives smooth and lasts long.
What does the malfunction indicator light illuminates?
The light turns on only for a reason and you should not ignore it. You should always investigate the cause. What does the Malfunction Indicator Light mean? The Malfunction Indicator Light can signal three different types of problems. Occasional flashes indicate temporary engine malfunctions.
What does a malfunction check engine light mean?
Malfunction Indicator Lamp/Check Engine Light If this indicator comes on while driving, there is a problem with your engine or its emission control systems. Even though you may feel no difference in your car’s per- formance, it can reduce your fuel economy and cause your car to put out excessive emissions.
What does the malfunction light on the dashboard mean?
This dashboard symbol has several names and is often referred to as the engine malfunction light / engine management light, malfunction indicator lamp (MIL), check engine or engine emissions light to name a few. This warning light covers many faults and will often require diagnostic equipment to be fitted in order to locate the malfunction.
What are the symptoms of a faulty lambda sensor?
Symptoms of a faulty lambda sensor can be: Engine power not acting as expected – decreased power, slow to respond The coil pack also called ignition coil (single unit) or spark coil, builds up many thousands of electrical energy / volts which is then released via a signal from the ECU.