The continuous monitors will set a SES light the first time the monitored parameter goes out of range,unlike the non continuous monitors which require a two trip cycle.
Fuel trim is high at the bottom if the PCM is using a MAF sensor. This is not true for cars that use a MAP sensor since vacuum leaks do not affect fuel trim on these cars.
The MAF was overreporting (where the actual load was higher than calculated). Probably due to the partly clogged cat. I think since the actual load was higher than the calculated load at higher rpm, the system decided to take less fuel away from the mixture in order to remain stoichiometric. In other words, it thought the air (load) coming into the engine was high and reacted by taking away fuel. Even in a normally functioning system, the higher rpm range tend to be rich. I may be wrong, but I doubt there's any diagnostic value in seeing green ONLY at the upper rpm range. I'm just trying to make sense of the situation just like you so feel free to come up with an alternative explanation.
I think the Escan is a great tool but needs to be more user friendly or for the tool company to have tutorial videos on how to use every section. Specially how configure custom data. The built in training does ok, not good enough.
I'm watching and he says what's a misfire? He then said well they can be caused by mechanicdl ( I stopped listening). Obviously he's not really thought about the what and how he was going to say. Yes he knows a lot but he's doesn't know how to teach Too many guys out there doing that You guys I suggest should take a course in how to teach a class. There are some basic steps to doing it well.
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Awesome presentation ! Thanks mate !! Please keep teaching us !!
Awesome video,as a diyer i learned a lot from this video and i use a launch scanner,thank you for posting this video,merry christmas.
Exellent. 👌
The continuous monitors will set a SES light the first time the monitored parameter goes out of range,unlike the non continuous monitors which require a two trip cycle.
Great job guy🙏🙏🙏
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Great lecture series!
How do I get info on attending?
Thanks
Fuel trim is high at the bottom if the PCM is using a MAF sensor. This is not true for cars that use a MAP sensor since vacuum leaks do not affect fuel trim on these cars.
Lol the fuel continuous monitor is the fuel trim, which is monitored continuously.
I don’t understand how a bad cat could cause those readings I would think the green at higher rpm would prove no exhaust restriction 33:30
The MAF was overreporting (where the actual load was higher than calculated). Probably due to the partly clogged cat.
I think since the actual load was higher than the calculated load at higher rpm, the system decided to take less fuel away from the mixture in order to remain stoichiometric. In other words, it thought the air (load) coming into the engine was high and reacted by taking away fuel. Even in a normally functioning system, the higher rpm range tend to be rich. I may be wrong, but I doubt there's any diagnostic value in seeing green ONLY at the upper rpm range.
I'm just trying to make sense of the situation just like you so feel free to come up with an alternative explanation.
I think the Escan is a great tool but needs to be more user friendly or for the tool company to have tutorial videos on how to use every section. Specially how configure custom data. The built in training does ok, not good enough.
Do you just have one student.[ HA HA]
Y
I'm watching and he says what's a misfire? He then said well they can be caused by mechanicdl ( I stopped listening).
Obviously he's not really thought about the what and how he was going to say. Yes he knows a lot but he's doesn't know how to teach Too many guys out there doing that
You guys I suggest should take a course in how to teach a class. There are some basic steps to doing it well.
Y