Mazda 6 - Starts and stalls! | Diag & Fix! | Misleading Code!

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Advanced Level Diagnostics

Advanced Level Diagnostics

Күн бұрын

Пікірлер: 91
@martijn8337
@martijn8337 10 ай бұрын
Since it’s an inductive style crank sensor ( downside for that sensor is they only give signal when the engine is turning) how do you check for integrity of the cranksensor circuit? This manufacturer desided: let’s pick the maf sensor for telling us that the engine is running. And if then there is not yet a signal from the crank sensor, we should set a crank sensor code. Oh and if the engine is on ( that’s what the maf was reporting ) then the alternator should work by now, so throw the battery light on….. the all data info was great from the start. Your diagnosis was right , and quick:)! Mazda does things a little bit different than others….
@patrioticimmigrant8817
@patrioticimmigrant8817 2 ай бұрын
Its actually a Ford. They deff do things differently. Lol
@BuckingHorse-Bull
@BuckingHorse-Bull Ай бұрын
ford pcms dont like aftermarket
@steveo6631
@steveo6631 10 ай бұрын
Logical process in action... That's the kind of stuff only experience can figure out... Quirky things in the field that aren't going to be in service data... Thumbs up to you!!!!
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
Thank you!
@brakeboss
@brakeboss 10 ай бұрын
Great job to not get distracted by the code, thanks for sharing
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
Thanks for watching!
@8power0
@8power0 10 ай бұрын
GREAT VIDEO... ANYTIME I GET MASS-AIR FLOW CODES I START WITH A SENSOR SIMULATOR TEST. FOR ONE IT SHOWS ME I HAVE A GOOD CIRCUIT ALL THE WAY BACK TO THE ECU/PCM .THEN FROM WHAT I SEND (EITHER VOLTAGE OR FREQUENCY) TO THE ECU/PCM YOU CAN SEE IF IT'S ACTUALLY FUNCTIONING CORRECTLY . IT SAVES A SHIT LOAD OF TIME AND IM NOT EATING A MASS AIR SENSOR. THANKS FOR YOUR TIME AND EFFORT ITS ALWAYS GREAT TO GET A VIDEO FROM YOU !!!🙏🏼👍🏼👍🏼👍🏼
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
That's a cool idea! In this case I didn't have a MAF code only a CKP sensor code.
@stewpid1215
@stewpid1215 10 ай бұрын
Nice one! I know I would have wasted a lot of time on that crank sensor circuit, then the remote start before checking into MAF. Nice job!
@Hybriddiag
@Hybriddiag 10 ай бұрын
One quick tip....these mazda pcm are nasty on giving codes which totally are opposite to the real issue i suffered alot on these 2.2 skyactive junk its a nightmare to figure it out....great and quick diag depending on your experience..cheers
@NextLevelAutoDiagnosticsLLC
@NextLevelAutoDiagnosticsLLC 10 ай бұрын
Great job using service info to find the theory of operation. Not all cars use the MAF as the trigger.
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
Yup it was my first time seeing that
@Mr2004MCSS
@Mr2004MCSS 10 ай бұрын
Nice diagnosis. Not sure why the shop would get another aftermarket sensor that only lasted a year unless an OEM one wasn't available.
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
They have a auto zone on the block and I don't think they fully trusted me😉
@s.j.5850
@s.j.5850 10 ай бұрын
@@advancedleveldiagnostics They should watch your videos to see how good an automotive fault detective you are!
@alrifainidal
@alrifainidal 10 ай бұрын
service info was the key. Great work Matt
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
💯
@gianfrancoa
@gianfrancoa 10 ай бұрын
Nice diag!!. Hopefully this duralast will "dura" more than a year
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
We shall see🤣
@JankyardGarage
@JankyardGarage 10 ай бұрын
Good job sir, the maf unit of this car is designed to house the air intake temperature sensor as well.
@Jpilgrim30
@Jpilgrim30 5 ай бұрын
Correlation between the MAF, the CKP, and the charging voltage being used to set a crank sensor code and a battery light. Kind of like the older GM cars with the TPS and MAP sensor correlation causing a code to be set for the opposite. Good job man. I just found your channel and love to watch as you move quick and your thought process is very similar to my own. Will definitely be watching through your videos.
@advancedleveldiagnostics
@advancedleveldiagnostics 5 ай бұрын
Thanks!
@jman28lamplight
@jman28lamplight 10 ай бұрын
Good job. I don't see how amateur zone stays in business. We see tons of problems with duralast parts at my shop.
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
I think some shops don't care because it has a Lifetime warranty on the part. Not saying I agree but around me that's what I see.
@daveunbranded
@daveunbranded 10 ай бұрын
Ivan really likes your channel. Therefore, i do to
@PineHollowAutoDiagnostics
@PineHollowAutoDiagnostics 10 ай бұрын
First! 😊
@PineHollowAutoDiagnostics
@PineHollowAutoDiagnostics 10 ай бұрын
Duralast didn't last very long 😆
@YOUZTUBE2000
@YOUZTUBE2000 10 ай бұрын
@@PineHollowAutoDiagnosticsanother win for OEM!
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
The shop put in another duralast, I guess I'll be going back next year😅
@lakesautomotivediagnostics6509
@lakesautomotivediagnostics6509 10 ай бұрын
🔧✌️🔧
@YOUZTUBE2000
@YOUZTUBE2000 10 ай бұрын
@@advancedleveldiagnosticsI rewatched the vid, my bad, you did mention it was replaced with another “Don’tLast”🤣 nice diag!!!!
@franciscoxaviergonzalezrom4648
@franciscoxaviergonzalezrom4648 10 ай бұрын
Love your diag process! Thank you!
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
Thanks so much!
@Averna222
@Averna222 10 ай бұрын
I've had a couple Toyotas do something similar. Set cam and crank circuit codes when both were perfectly fine.
@bobbygicharu2628
@bobbygicharu2628 7 ай бұрын
Had the same stalling issue from a 2008 mazda 5 cleaned the maf sensor and no issue since this was over 7yrs ago
@advancedleveldiagnostics
@advancedleveldiagnostics 7 ай бұрын
Cool! Did it also have the CKP code (P0335)?
@zburkst2928
@zburkst2928 10 ай бұрын
really great knowledge in all your videos thank you
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
Glad you like them!
@jgp12cabj
@jgp12cabj 5 ай бұрын
I had the same problem, I changed the MAF and it worked. Thank you.
@advancedleveldiagnostics
@advancedleveldiagnostics 5 ай бұрын
Thanks for sharing!
@s.j.5850
@s.j.5850 10 ай бұрын
Very strange deduction by the computer system to flag the crank sensor instead of the MAF sensor which was causing the problem. Many people would simply jump to changing the crank sensor. I wonder what code would be present if you had changed the crank sensor? If it did still set a crank sensor code after replacing it many people would be running around in a circle. It's good to see a smart technician looking at multiple aspects instead of jumping to a snap conclusion. Great video showing how a fault code is an indicator of what the computer thinks is wrong.
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
💯 Thanks for watching!
@eddiereichel9354
@eddiereichel9354 10 ай бұрын
I fixed a Mini one time. Only code was for mass air sensor plausibility. It needed a timing chain.
@danielgarage5276
@danielgarage5276 5 ай бұрын
How the....
@eddiereichel9354
@eddiereichel9354 5 ай бұрын
@@danielgarage5276 codes are not part numbers.
@spelunkerd
@spelunkerd 10 ай бұрын
Do these engines use the 5V reference signal to drive the MAF and CKP output? I wonder if the 5V ref supply (or ground) was noisy or intermittently failing with high resistance.... Perhaps the 5V ref had partially shorted to ground through a bad MAF giving weird secondary symptoms?
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
I don't know if they share a ref, but I would think if it was shorted the computer would see a problem with the signal and not have an RPM Signal. Here I had an RPM signal. I think that the MAF was just reporting voltage when the key was on and the car saw no crank signal so it set the code.
@mbabazijohnson6315
@mbabazijohnson6315 10 ай бұрын
Good ideas bro
@stanleysemchenko4079
@stanleysemchenko4079 10 ай бұрын
This is probably exactly why it had the battery light on as well.. the computer thought the engine was running and didnt see anything from the alternator. Crazy.
@arthuraucar3696
@arthuraucar3696 10 ай бұрын
I had a problem similar to this one, but this one was throwing a p0340, camshaft sensor circuit. It turned out to be that the signal was occurring at the wrong time. It had a 2.0 I believe. The crank sensor is adjustable, so I was able to fool the computer by sliding the crank sensor one notch. It's not the right way to fix it, but I understand he drove the car a couple more years until he got rid of it.
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
No parts required fix!
@arthuraucar3696
@arthuraucar3696 10 ай бұрын
Yeap..! It was basically a correlation code, however it was throwing a p0340. Replaced sensor, checked wiring etc. There is A TSB on four cylinder engines where the sprocket bolt comes partially loose, and crank to cam correlation is lost. I believe you replace that bolt, and overtorque past factory specs because there is no keyway, and the cam gear moves.
@jimpetty2961
@jimpetty2961 10 ай бұрын
great video great work.
@fastbagel
@fastbagel 9 ай бұрын
Was it seeing the maf voltage and thinking hey that’s running voltage where’s my crank signal? Hence the crank sensor code?
@advancedleveldiagnostics
@advancedleveldiagnostics 9 ай бұрын
Exactly!
@emmcee476
@emmcee476 5 ай бұрын
Was it that it actually started and ran very briefly that made you think it may not be the CKP? Actual bad CKP would mean no start/run at all?
@advancedleveldiagnostics
@advancedleveldiagnostics 5 ай бұрын
Yes, It was starting and stalling like a security issue.
@themechanic6117
@themechanic6117 10 ай бұрын
Thanks for the video , time to ditch that Duralast crap lol
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
Well at least I know I'll have a job next year when it fails🤣
@danielgarage5276
@danielgarage5276 5 ай бұрын
Nobody want the D...
@waynetaylor7086
@waynetaylor7086 7 ай бұрын
Which TOPDON scanner do you use
@advancedleveldiagnostics
@advancedleveldiagnostics 7 ай бұрын
Phoenix Elite www.topdon.us/discount/ALD10?redirect=%2Fproducts%2Fphoenix-elite
@reddfoxx2861
@reddfoxx2861 10 ай бұрын
So why the crankshaft position code.
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
The code set criteria for the CKP code is 4.2 sec of seeing a MAF input without seeing a CKP signal. Since the MAF was bad it was reporting voltage so the PCM thinks the car is on without a CKP signal so it sets the CKP code.
@danielgarage5276
@danielgarage5276 5 ай бұрын
​@@advancedleveldiagnosticsI didn't catch this explanation in the video but now makes sense
@kyletuttle9064
@kyletuttle9064 10 ай бұрын
Nice diag.thanks for sharing.
@SDS-1
@SDS-1 10 ай бұрын
A parts swapper would have made a retirement on this car 😮😮😮
@bartscave
@bartscave 10 ай бұрын
Thanks for sharing!
@aranhaydar9195
@aranhaydar9195 8 ай бұрын
Cool case 🙃
@joesmo4749
@joesmo4749 10 ай бұрын
Ive seen this before with bad mass sensors but never a crank sensor code being thrown. You like your panasonic toughbook?
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
I am really happy with it, I buy them used on eBay for $350 -$450. I don't think it's worth the full price.
@chadgardee1496
@chadgardee1496 10 ай бұрын
Did you check the air filter make sure mouse 🐁 get too it and part of it got caught in the mass air flow sensor
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
Good point! I did not check the air filter but the sensor was clean.
@modernageauto
@modernageauto 10 ай бұрын
TFW you see a Duralast MAF sensor😆
@eddiereichel9354
@eddiereichel9354 10 ай бұрын
Trouble codes and part numbers are 2 different things with 2 different definitions. There is a reason that advance auto and auto zone will scan your car for free. They sell parts they dont fix cars. If they can show you the code in post cases they can sell you the part.
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
💯
@danielschmidt2721
@danielschmidt2721 10 ай бұрын
Duracrap 😂🎉❤
@lucasellyson6872
@lucasellyson6872 10 ай бұрын
Man you diag stuff quickly.
@BuckingHorse-Bull
@BuckingHorse-Bull Ай бұрын
ford pcms dont like aftermarket
@odisonlineandmoroco911
@odisonlineandmoroco911 10 ай бұрын
🫵✌️💪
@daveunbranded
@daveunbranded 10 ай бұрын
Get in the zone. Crappy auto parts
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
💯
@daveunbranded
@daveunbranded 10 ай бұрын
@@advancedleveldiagnostics I was the pa caller the other day
@advancedleveldiagnostics
@advancedleveldiagnostics 10 ай бұрын
@@daveunbranded Did you get it figured out?
@daveunbranded
@daveunbranded 10 ай бұрын
@@advancedleveldiagnostics waiting for a BCM. That is my best guess. I can't talk to anything on the comfort can. Which 2010 VW is the BCM. Measured resistance at the dlp and it is 66. So I am pretty sure it is whole.
@cbarkwell1000
@cbarkwell1000 6 ай бұрын
I thought this good KZbinr ( Advanced Level Diagnostics ) was " Advanced Level Auto " outta Houston , Texas copying Houston, Texas NAME. Me - EX Southern California Independent Auto Shops / GM Dealership Smog Inspector - Smog Repairer - Driveability Problem Solver .
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