DIY - Check/Replace your CPS Sensor

No one here has a cps. It's a ckp. It is abbreviated as such so you can differentiate between the cam sensor (CMP) and the crank sensor (CKP).

 

Indeed, good call. I was confused when I started reading up on CPS and kept seeing manufacturers refer to camshaft And/Or crankshaft sensors with the CPS acronym. So yes, CKP is the correct term to differentiate. Still - these CKPs are crap

 

It's like, you could say burgina, and it might get the point across, but some pedantic ding dong like me will die a little inside.

 

Sorry if this has been covered, but if so, I didn't notice it. If the root cause is the anti-corrosion stuff on the crank migrating to the CPS/CKP, how does replacing the CPS solve the problem long term? Or does the centrifugal force fling all the goop off the crank within a few miles, so by now it should be clean and all the goop is on the CKP?

 

It's a very valid point, and something that keeps me skeptical. I mean, I didn't experience these specific issues until I had my truck for about 4 months with the issues first surfacing after the weather heated up in TN on what I'd call our first real hot day, and then they progressively got worse to the point of misery. Who's to say the coating on the timing rotor won't eventually mess up the new CPS/CKP after a few months if the coating on the timing rotor itself is the issue?

I've been providing updates/data to both my Toyota case manager and my field tech in hopes they do some more investigation on this matter and will keep folks updated if I do indeed hear anything conclusive which is even more alarming in my case since I'm not on the recall list and clearly was affected by this...

 

Maybe they stick a rag in the CKP hole and spin the crank a few times rubbing against the timing rotor to clean it off

 

Boom! The "parts" they are waiting for are enough rags to clean off the crank rotor!

 

So I filled a claim to get my money back for the sensor I installed. After mailing it last week today I received an email from Toyota corp that they are reviewing my claim and it may take up to 45 days.
Are they serious??!! 45 days??!!

Are they sending the check from Japan by row boat?

 

Is yours on the recall list?

 

Yes it is, and I had my service manager verify the install and he wrote it up on a service order so I had a copy to send Toyota. I followed the instructions exactly as Toyota told me.

 

Hilarious. Takes as long to get reimbursed as for the part... Still flabbergasted they haven't expanded the recall list. I feel like bi-polar with this truck. I wish it had more low-end torque which shows itself like, say, when I'm on a forest road on a steep incline and can't get it to GO unless I want to floor it which I don't, so I let it slowly creep up or 4-Lo it if really steep. But that's SO minor compared to how angry I was with my purchase for months on end.

I literally love my truck 99% of the time after replacing this damn part that Toyota still claims shouldn't be on a recall and given it has now stuck for a good 2,500 miles since I've replaced it I'm becoming more optimistic it isn't just a short-term fix like a lot of my prior attempts were. My vibes are decreasing more and more as well, I swear a lot of the floor vibrations I was feeling was exhaust-related and it's clearing itself up now that it's running properly. Damn shame so many people could potentially be living with this as "normal"

Also - still getting ~20 consistently MPGs, and even when driving 80 in hilly and/or mountainous areas I can get 18ish.

 

Has anyone seen an actual TSB for this?
Someone posted in another thread there is something in the works;

 

So I took my truck in for a 35K express service (aka tire rotation and fluid and floor mat check) and asked about the CPS recall. The service advisor acknowledged that my VIN is covered by the recall ... he didn't have to look it up, it was showing on the screen as he logged my info ... but said they weren't ready with the parts yet, should be a few more weeks. I asked how long it would take , and he said schedule a half day. He went on to tell me that they've done quite a few and it's an easy job. So then I asked how they did them if they don't have the parts. He said they replaced them for people who have had the engine stall or run roughly. So I asked if they would replace it if I told him it stalled. He told me "No, we don't have the parts yet". I thanked him and left. I think he either had poor communication skills, or was skirting around the fact that either they are holding back parts for actual failures, pending arrival of enough parts for all affected VINs, or the recall will be more than just replacing the CPS with the current part number they have in stock. BTW my rear diff was verified as leak-free. My auto-reset trip meter will also require the half-day appointment, to verify it ... never mind that it takes 2700 miles +/- to reset. Sigh ....

 

Anyone know the part number for a 2017 TRD sport 4x4? It looks like it's either 90919-05060 or 90919-05061. Thanks in advance.

 

I just had mine replaced under the recall and the part number on the work order was
90919-05098. Mine is a 2016 OR 4x4 but assume the PN of the latest and greatest CPS is the same for all Tacoma 3.5's.

Truck seems to run better but maybe my imagination.

 

Thanks. I'm just hoping this solves my issue of getting 14.3 MPG's.

 

Unfortunately I haven't been able to record mpg since my CPS replacement because my trip odometer and mpg reading have chosen to reset themselves. On the other hand my new combination meter came in and the truck is at the dealer as I write this getting it installed per TSB 0148-16.

 

Posted this in another thread but thought the people here that are not following that one might be interested in this;

I am not on the recall list and the only obvious symptom possibly related to a CPK problem is poor MPG. My truck is a 2017 4/17 build date. I'm really replacing it as a precaution and also because I plan on buying an aftermarket tune and I want to be sure that there are no possible known hardware issues that could be feeding the ECM bad data. When I put the new tune in I want to do everything to ensure it's working with good data. I am one of the folks who is not at all happy with the throttle response, transmission shifting and overall eng/tranny interaction.

Here are the differences I noted between the CPK in my truck and the new one I ordered, part # 90919-05098:

Old CPK: Has the hash mark that some people guessed meant it was good.
New CPK: Has the = sign on it where the hash mark was on the stock one.

Old CPK: It had these numbers printed on it "0971 02U28"
New CPK: "0972 06U20"

All measurements were the same. The only other difference I noted was the stock CPK was a slightly lighter shade of black than the new one. That's it. There were no marks on the sensor end of my stock CPK like some of the people are reporting. I'm going to hold on to the old one for now. I will report back here in a few weeks how my MPGs look. I'm not really expecting a significant change, but I am hoping for one.

 

@speedtre Did you notice any improvement after installing the new sensor? I'm in a similar situation. I have a 2017 SR5 (build date 8/16) and my truck is not on the recall list. I checked my CPK and it has the hash marks indicating it should be good. I have considered replacing it anyway just for peace of mind.

 

I have not noticed a change in MPG after a couple hundred miles unfortunately...