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Пікірлер
@mehmetkunt2503 2 күн бұрын
Very very nice video. I want to buy an automotive oscilloscope. Which product do you think is the best in terms of price performance?
@MRDIAGNOSTECH 2 күн бұрын
@@mehmetkunt2503 picoscope is a great scope to have.
@mehmetkunt2503 2 күн бұрын
@@MRDIAGNOSTECH thank you. Which model?
@MRDIAGNOSTECH 2 күн бұрын
@@mehmetkunt2503 PicoScope 4425A
@mehmetkunt2503 2 күн бұрын
@@MRDIAGNOSTECH thank you
@anthonyheak3479 3 күн бұрын
Great video! This is a 4 cylinder engine. It is possible to do a compress test like this on a V6 engine when one bank of the ignition coil and spark plugs are under the intake manifold like the 2GR-FE engine on Lexus RX 350 transverse engine?
@turbo8711 4 күн бұрын
Good video
@anthonyheak3479 4 күн бұрын
MR. DIAGNOSTECH, how did you cranked the engine from the fuse box? Nevermind, I think you had the key to the on position and jumped the starter relay terminal 30 and 87.
@MRDIAGNOSTECH 4 күн бұрын
@@anthonyheak3479 by supplying voltage to the starter relay connector to terminal 87.
@anthonyheak3479 4 күн бұрын
@@MRDIAGNOSTECH Thanks for replying, you did a great explaining step by step!
@anthonyheak3479 5 күн бұрын
You explains things real well, you should have many more subscribers!
@tabitnabil8771 5 күн бұрын
there is smd multimeter like tweezers i think it make work easy and its cheap
@MRDIAGNOSTECH 5 күн бұрын
@tabitnabil8771 YES, it's a meter with an amp clamp integrated, just make sure that it's capable to measure is DC AMPS, not AC.
@tabitnabil8771 4 күн бұрын
@@MRDIAGNOSTECH no its not an amp clamp just search for ex; UNI-T UT116A
@stupot9000 5 күн бұрын
Excellent video and explanation of testing the MAP sensor. What about the voltage range for a turbo engine? any difference for diesel versus petrol engines?
@mekkibilal1372 5 күн бұрын
Great job thank you for the help
@anthonyheak3479 5 күн бұрын
Very step by step explanation sir, thank you!
@MRDIAGNOSTECH 5 күн бұрын
Glad it was helpful!
@HumbertoFlores-t6u 5 күн бұрын
Can you make a video on how to check Air Fuel Ratio sensors
@DJ-tn7vj 5 күн бұрын
Very powerful explanation
@geechbadart 6 күн бұрын
This was a great video thanks for taking the time to share it with us. Keep up the good work.
@MRDIAGNOSTECH 5 күн бұрын
Thanks, will do!
@ThunderbirdRocket 6 күн бұрын
Mr. Diagnosteach ! You are an amazing TEACHER / coach ! 🥇 😀 🔑 💡
@MRDIAGNOSTECH 5 күн бұрын
Wow, thank you!
@wannaPreG 6 күн бұрын
Good explanation after many years of trying to understand map sensor operation
@ThunderbirdRocket 6 күн бұрын
Extraordinary detail ! Super helpful !! I learned lots !!! Thanks mate . 👊🏼 🔥 💻 📈
@ericornelas5488 6 күн бұрын
Great video Mr. Diagnostech👍
@tabitnabil8771 6 күн бұрын
you have a good skill how to explain make things easy to understand thank you so much for your time keep up
@MRDIAGNOSTECH 6 күн бұрын
@@tabitnabil8771 Thank you
@ericornelas5488 6 күн бұрын
Im agree, he makes things way easier for us to understand
@HYBRIDEVMASTERSGARAGE 6 күн бұрын
Great presentation & content. Some shops are still offering Free Diagnostics, Scanning Codes. Not ME.🙂
@404notfound..... 6 күн бұрын
Excellent video! This is how i search for a parasitic drain. Put the vehicle to sleep, let it time out the modules.
@Jemimah-b1y 6 күн бұрын
This is a great job here. Please, I need your opinion on a BMW i'm working on. The issue is, at high temp, even above 120°C, the fan will not start(that is abnormal). Once you unplug the ects, the fan will come up(normal, showing an open circuit). The confusing part is that, there is no DTC and all measurements are ok. What is your take on this?
@MRDIAGNOSTECH 6 күн бұрын
@@Jemimah-b1y I would do a voltage drop test from the sensor signal to DME and from the sensor ground to a known good ground. It might have unwanted resistance on the circuit.
@Jemimah-b1y 4 күн бұрын
@MRDIAGNOSTECH Thanks, i've done all of these tests. the resistance on the signal wire is around 42ohms and sensor ground 18ohms, which I feel is a normal wire resistance. I began to suspect the DME, i changed the DME, but it was the same(fan not coming on). I tried to on the AC to observe if there would be a difference, NO! Just thinking, can a bad thermostat sensor be a cause?
@MRDIAGNOSTECH 4 күн бұрын
@@Jemimah-b1y voltage drop using volts, not ohms. It should not exceed 0.100V.
@Jemimah-b1y 3 күн бұрын
@MRDIAGNOSTECH woke up to see your response. Your responses are really insightful and helpful. Yeah, voltage drop btw sensor signal and Dme is 0.098v. with the ects unplugged, a measure btw the sensor signal wire and a good ground should give a 4.9v - 5.1v and a measure btw sensor ground and bat+ should give battery voltage(BMW manual) and that is what i'm getting. With the sensor plugged, i measure btw sensor signal(back probed), and ground gives 2.6v after an overnight sleep test. Pls where am i getting it wrong?
@sheerwillsurvival2064 6 күн бұрын
Excellent is it sad I get excited when I see new video 😀
@itsmisterchris 10 күн бұрын
Man your video explains so well to a person who didnt know such test even existed , im excited to learn more n fix problems on vehicles ,
@mehmetkunt2503 10 күн бұрын
Videolarınız çok güzel. Oksijen sensörünün test videosunu bekliyorum.
@nickayivor8432 10 күн бұрын
Enjoy your evening with all your family around you. MR DIAGNOSTECH 👍 SHREWD,MR DIAGNOSTECH Take care,MR DIAGNOSTECH From Nick Ayivor from London England UK 🇬🇧 ⏰️ 20:33pm Good Evening
@ericornelas5488 10 күн бұрын
Looks like a great tool to have, thanks Mr. Diagnostech I hope you can keep using it in more videos 👍 so we can keep learning 👍
@sheerwillsurvival2064 10 күн бұрын
What a great tool
@jimpetty45 11 күн бұрын
Great video will be waiting to see part 2
@josemontano635 12 күн бұрын
👍 👍 good video 👏
@wackey3455 12 күн бұрын
man your are brilliant ive been on youtube a long time and this is the best video i have ever seen wow
@MRDIAGNOSTECH 12 күн бұрын
@@wackey3455 Thank you
@zkdawg2 12 күн бұрын
“Here we have a 2012 Chevy malawoo” 😂
@Ianf1x 13 күн бұрын
Great job full of knowledge
@ericornelas5488 13 күн бұрын
Mr. Diagnostech always with the great videos! 👍🏻 I really liked the example with the thermal imaging camera
@DavidGutierrez-zi4dy 13 күн бұрын
GREAT!
@HYBRIDEVMASTERSGARAGE 13 күн бұрын
Master Class Content. Thank You. Only Extra Step I will Do is Heater Sensor Wires to Sensor Body. Your Teaching Style is awesome🙂 .
@sheerwillsurvival2064 13 күн бұрын
Awesome. Great video
@MRDIAGNOSTECH 13 күн бұрын
Thanks!
@sheerwillsurvival2064 12 күн бұрын
@@MRDIAGNOSTECHthank you as an old technician from the 70s early 80s I have so much to learn. I went to tech school in 1974 it was much simpler then. I joined the military and haven’t touched cars other than mine and wife’s . Now retired from military I spend my time repairing my neighbors vehicles and my church members for free . But your videos have helped me tremendously. I’ve read as much as I can find but your videos are truly golden. Step by step. Fantastic can’t thank you enough 👊🏻
@Wayne2219 14 күн бұрын
This cut a bold that you get put with a extension I pass
@codenothing57 16 күн бұрын
After almost a month I got my car to read the obd2 thank you!!
@MRDIAGNOSTECH 16 күн бұрын
@@codenothing57 Nice! 🤜🤛
@JohnSmith-vt5ry 18 күн бұрын
Can you do voltage drop testing if the starter is not turning over (no crank)? When starting ignition (no crank) the voltage drop from (-) battery to starter housing is 78mv so good. My voltage drop from (+) battery to B-terminal jumps to OL. Its a new good starter. Starter relay is also good. The voltage drop from (+) battery to S lead is also OL when starting (no crank). ???
@twosm0ker 3 күн бұрын
for a no crank you should confirm battery voltage at b term and confirm 12 v at the s term when trying to start.
@Grumps5 21 күн бұрын
Greatly appreciated. Very well done video. Unfortunately this method will not work with newer Fords and their gateway modules, you need one of their expensive special break out boxes to test all can lines. that box is roughly $600-1000
@jackburton2680 22 күн бұрын
How do you do the first test if your starter won't crank the engine at all Should a failed attempt aka just turning the keys still energize the circuit suitably for this test?
@sheerwillsurvival2064 22 күн бұрын
Watching it again you really are great teacher. Details details. Love this channel 👊🏻👍🏻
@teagar3 23 күн бұрын
Bravo, excellent, intuitive description of the can bus function. I have such an issue, I have power at the DLC at pin 16, and good grounds at 4 & 6. But no communication with the PCM through my Scanner. All the fuses checked out good, and for good measure I replaced the PCM Relay in the Power Distribution box. According to the Wiring Diagram for my 98 F150, both the High Bus & Low Bus are located in the PCM. I didn't suspect the communication problem with the PCM because the Truck Runs. But now if I do the Ohms test, I might discover that one of those busses are bad. Recently I had an Alternator that went bad sending a surge through the electrical system, and blowing a 175 amp fuse, all of which I replaced.
@arthurfricchione8119 24 күн бұрын
Excellent video and explanation of how the fuel system operates. 👍
@coenjoosten6454 25 күн бұрын
thank you very much. What doe i see when CAN bus shorts to +12 volt
@sulemanhabib1743 27 күн бұрын
Nice one, thank you for your help,Mr diagnostics tech
@turbo8711 27 күн бұрын
Great video Keep it up
@GroundedDiagnostics 27 күн бұрын
master class 👍👍
@chadh3441 27 күн бұрын
What a very detailed video! Great job and thank you for taking the time to share it! I've watched several videos dealing with voltage drop, but by far, this one is the most detailed and comprehensive yet. Cheers
@MRDIAGNOSTECH 13 күн бұрын
Thank you
@ThunderbirdRocket 29 күн бұрын
Tremendous video . Super helpful . Thanks
@MRDIAGNOSTECH 27 күн бұрын
Glad it was helpful!
@anthonynicholls9415 29 күн бұрын
👍👍