TPS Question - Page 2 - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #11 of 14 (permalink) Old 10-24-2019, 09:56 AM
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Having retired almost 4years ago and then taking a “part Time” job at O’Reillys parts store to get me out of the house a bit has given me a bit of insight to all of this..... and all i’ll Say is that TPS sensor failures are not an uncommon thing along with cam/crank position sensors.

My opinion is that it has to be just a weak design because it occurs across most manufacturers with GM being the most common, but again it’s just my opinion and I know that there is a very limited supplier base for most of these so ford probably gets theirs from the same guy’s as Chevy and price is without a doubt the major driving force for buying from a supplier.

Having worked for 30yrs for the major oe brake supplier that with the exception of Toyota & Honda all the other manufacturers use cost as the main factor in purchasing with the caveat that the parts last long enough to get them out of the warranty period. They all do it. Again the exceptions are Honda & Toyota where they want 100k of no failures.

Through in Subaru I believe because very few come into O’Reily for parts but when they do they are somewhat expensive which says that they don’t sell many Subaru parts.

So, all that said all i’m saying is that TPS failure is not an uncommon issue for everything that uses them, shouldn’t be but it just is. My .02
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post #12 of 14 (permalink) Old 10-24-2019, 11:10 AM
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Originally Posted by passx View Post
Having retired almost 4years ago and then taking a “part Time” job at O’Reillys parts store to get me out of the house a bit has given me a bit of insight to all of this..... and all i’ll Say is that TPS sensor failures are not an uncommon thing along with cam/crank position sensors.

My opinion is that it has to be just a weak design because it occurs across most manufacturers with GM being the most common, but again it’s just my opinion and I know that there is a very limited supplier base for most of these so ford probably gets theirs from the same guy’s as Chevy and price is without a doubt the major driving force for buying from a supplier.

Having worked for 30yrs for the major oe brake supplier that with the exception of Toyota & Honda all the other manufacturers use cost as the main factor in purchasing with the caveat that the parts last long enough to get them out of the warranty period. They all do it. Again the exceptions are Honda & Toyota where they want 100k of no failures.

Through in Subaru I believe because very few come into O’Reily for parts but when they do they are somewhat expensive which says that they don’t sell many Subaru parts.

So, all that said all i’m saying is that TPS failure is not an uncommon issue for everything that uses them, shouldn’t be but it just is. My .02
Thanks passx, I have no experience in the auto industry, I grew up in a town that hosted a GM assembly plant, so many friends worked there. They would tell me, if they came up with an idea to make something better during assembly or inside the car, it would be shot down if it cost them as little as one dollar more. 0.55 seemed to be their threshold to even consider the suggestion. I respect your experience at the auto store and OE manufacture, (and that you ride RED), I take as confirming my ideas. I agree with Toyota, Honda, and Subaru as their goals, and cost per part is a priority but longevity is a major factor. When friends are considering an auto purchase, I usually ask how often they want their car to return to the repair shop? When they say never, I usually steer them to those three. Just my .02

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post #13 of 14 (permalink) Old 10-24-2019, 02:53 PM
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Originally Posted by Joel S. View Post
read some of the disastrous stories of people trying to get this addressed at the dealer
have to duplicate, care, diagnose, fix the issue, confirm condition corrected.
i know of a few people with the same condition that were going to the dealer to get it looked at, i wish them luck, never heard the results.

i'm a 25 year ase master mechanic, definitely had zero intention of being through that mess.
Oh, I get it. I would replace my own as well if the issue pops up. I would think that the majority of members here would do the same as most people with motorcycle interests are mechanically skilled and do their own work.

I was simply using your example of why it seems to some that Yamaha doesn't care to address the issue.

This is a issue that happens to a few people. Of those few, the majority of that group correct the issue themselves. Therefore Yamaha doesn't see it as a problem because there are too few warranty claims.

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post #14 of 14 (permalink) Old Yesterday, 06:33 PM
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From the auto biz myself, accumulating warranty issues do get reviewed by the engineers... it does take a number of claims to hit the radar.
Slim, sent you a PM, I will autopsy that TPS and post up the results....

Ray
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