How to change crank position sensor?

Lol. Oh I deal with them a lot more than once. I paint all their cars and do all their body work for their location So they are trying their best to fix it. I guess just most scared that someone else will hit the truck if it fails in the drive test. I’m being calm. Letting them contact me I think today anyways lol. I will let you know if they tell me any codes that were saved

 

Every marquee I know of clears codes with battery disconnect since 1996, when OBDII was mandated. Some will immediately return, some require x keystarts with detection of an issue to set.

 

Thank you

 

If you're an insider from that perspective, I am sure that you should be able to get adequate technical information from the mechanics and/or service advisors. For your sake though, hopefully you are not getting low fuel rail pressures/fuel starvation codes and random misfire codes as it seems this is a wall thru which Toyota is having difficulty passing. Of course I will keep up with my Service Advisor on my Truck's situation, as we may have a similar problem.

Then again, it is entirely possible that your problem could still be just the CKP, and once the condition demonstrates itself for them, you'll be on your way.

 

You are partially correct. There are many ECU's on the truck and all are accessed thru the OBDII port. Some of the ECU's keep codes forever, some are gone the first power cycle, some are cleared on their own after a certain number of drive cycles. The engine codes are not kept permanently.

 

in the OPs case they should be still in the ECU

 

Not associated with emissions. Not likely.

 

If so, then their Techstream should be able to pick it up and they should be able to see the codes. IF the truck is at the dealership presently, they should be able to interrogate the CKP and see if it is reading within spec. Apparently in the recall, the paperwork said something about some cranks having excessive anticorrosion coating, but it wasn't cranks that were getting serviced, it was the CKPs. I'm neither an insider nor a Toyota mechanic, so I don't have further insight here.

 

The TS program will pick up stored codes that may have tripped and cleared that are associated with emissions. These could have been caused by the bad CSP, but it won't show the bad CPS.

That one will be gone.

You might still have a stored code from a fuel rich environment that was caused by that bad sensor. Those don't clear right away.

The dealer needs to see the whole picture. I can't blame them for not wanting to work on the truck. They know they don't have all the information that originally present.

 

Time for them to do a few legitimate road tests under the same type conditions as undertaken by OP when it failed on her. Road tests do take time, mechanics are generally reluctant to go on this sort of an adventure and provoke the truck to make this happen, since once it does, then they're the ones stranded in the cold waiting or a tow back to the shop. Likely though, this is the only way they will expose the problem and its relevant codes.

So, Miss Karen, fill us in on the situation, and let us know how it's going with the mechanics on this. We happen to have an interest in this and are all on your side and rooting for you to find a successful resolution.

 

Please do keep me posted. And no offense to you but good lord I hope it’s not the same thing. But if it is. I will be talking to you so maybe our dealerships could communicate what they have tried on yours and vise versa. The thing is. If it was that on mine (the fuel issue) wouldn’t you think it would manifest itself by now? It can’t just poof go away can it? Like the first 20’miles I would think it woulda done it. But gosh I don’t know why mine isn’t doing it again since it did it twice in 24 hours to me. Any way it could be an actual fuel issue. Like bad fuel I had a quarter tank and it was super cold. But does that kinda thing still happen these days

 

I thought we debunked the markings on the sensor awhile back and when the recall came out there was also a new part number.
OP is your VIN on the recall list?

 

I was a little intrigued about your debunking comment. I know nothing of this. I know the bad part had a different part number than the part which replaced it in the recall. It's up a few posts from here, and I posted it with the photo. Debunking? Tell us more.

The recall was issued for early production 2016 models, with roughly 32K of them being affected. The recall was issued on June 1, 2017 and covered Tacomas with the 2GR-FKS engines, built between Sept 15th 2015 to Nov 30 2015. While I clearly see it says vehicle affected 2016-2017 Tacoma, the 2017 Tacomas were not built within the time interval in late 2015, so I don't understand why it says 2017 Tacomas. I'm happy to have someone clarify that for me, here's the recall, read it for yourself. Yes, it also mentions Lexus etc with the same engines, but apparently they were made with the upgraded CKP, and we aren't really worrying about Lexus vehicles here. So why it appears to say 2017 as well as 2016 vehicles, I really don't know. OP has a '17, and she could type in her VIN and see if she is affected by this recall, but I seriously doubt it. Also, Toyota dealership would have done this as well, but seems they would have mentioned it to her and they would do the work and not stall her here.

I have read here on TW that some 2016 and 2017 Tacoma owners have experienced clear CKP failures, and their vehicles were outside the range of those recalled, and were therefore equipped with the new part number CKP. They have made posts to this effect. I figured it worth a shot to replace my CKP when I had stalling issues, but it failed to remedy my problem.

OP--Link to check your VIN for recalls

Editing: Apparently there must have been a broadening of the build date range of the initial announcement in the recall. What I put above is actually Sept 17 2015 to Oct 28 2016, so that's how some 2017 models are included. Other threads I have read since reveal that a number of 2016 and 2017 model owners not in this recall range have had CKP sensors go bad.

 

Pretty sure there was people replacing the sensor before the recall with the original part number but the theory was it was different due to manufacturer markings. May or may not make a difference but I wouldn't trust anything other than the new part number.

 

Yes, I have read this as well, now that you mention it. I do not know if those that were replaced with the same questionable "bad" part number also suffered repeat failures due to this CPK, and we would all like to hear from them.

For right now, I'm hoping for the OP a speedy and simple resolution of this, and that it is merely a CKP problem, but it would be nice to see if Toyota has broadened the spectrum of the recall, or if they have/will issue a TSB regarding this CKP failure in non-recalled Tacomas.

 

So I just got done washing wife's car, and mowing the grass after a little beach time on the North Shore........wondering if OP has any updates for us. Truck in shop now? Etc.

Was just sitting outside now, mighta dripped some sunscreen into my Mai Tai. Dammit! OP has the Dealership come up with a plan for you yet?

 

Ok sorry. Been horrible long week. Just got truck back this morning. As stated by someone above. There was a fuel code stored back in the computer. So this made Toyota require the shop to tear my whole fuel system apart. Of course finding not a single thing wrong. So I MADE them replace the sensor. They did. Then putting my truck back together the broke a fuel line so I hade to wait this entire time for a new fuel line to get to them. They replaced that. Called me. I came and got it finally. And she runs perfect. The only thing they officially changed was that sensor )fuel lines due to their fuck up). So yes. So far knock on wood. This did fix my problem. Thank you all for your help I appreciate it. There was no way I ever would have known any of this with out you so seriously. THANK YOU. Knock on wood. This is the cure!!!

 

And my production date on my truck is 9/17. The sensor that was in my truck that went bad. Was the new one with the equal sign. Apparently I just happened to get a bad updated one. Now I have one they said that is the newest of the new

 

Okay, thanks for coming back in. I hope that this solves your problem completely. Make sure you do a number of recreational test drives of adequate distance and duplicate as much as possible the driving conditions that led to your truck originally failing to make sure it's all okay.
And now I'm thinking that the CKP I replaced on my truck was a bad sensor as well. Who can tell? But remember that the recall placed the blame on excessive anti corrosion coating on the crank, not necessarily the sensor. Or was that just subterfuge?

So why aren't they addressing taking off the excess coating on the crank reluctor......One can only wonder. In the meantime, I am still truckless with no word from my Dealership on status for the last week. I have suggested to them the CKP being bad and is the source of the problem, but what on earth would a customer know about this issue anyway? We're all just sheep anyway, right? Wonder how much problem it would be to pull the pan, and scour off the coating on the reluctor ring. This thing is on the crank, continuously bathed in oil. Not much chance of rusting now, eh?

Ennyhoo, good for you, and we hope you'll stay in touch. Oh, and the original CKP you said you had marked....you're sure that's a new CKP in there, right?

 

You got me thinking about the "official" Toyota explanation as to why these CKP "failures" occurred in the first place. The documentation they sent to the regulating body detailed a lengthy investigation, in which excessive anti-corrosion coating on the crank angle sensor plate was suspected. The problem is, Toyota could not reproduce this failure, even after looking into suspected "bad" batches of crank plates. They also found evidence of scratch marks on the CKP pulled from customer vehicles.. in any case, their solution was to produce a revised sensor. Subterfuge? Maybe. I think I know why they went this way instead of pulling and replacing or modifying crank plates.... the darn thing lives on the outside of the block, held in place on the end of the crank by the bolts that also hold the drive plate (A/T) or flywheel (M/T). No oil bath for this sucker!