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cpr05xtr
08-08-2012, 02:35 PM
Ever since my boat started throwing tach codes a month ago have been waiting to get someone to the lake to do a on water diagnoses because they cant get it to throw the code in the shop. They are suppose to call me today to meet them to figure out what the hell is going on with my boat. Cross your fingers that they actually call me because if not I am headed with her to S&W Performance in Denver this weekend because if they dont get to me today the next chance is 2 weeks which is the near end of my season and S&W can get me in faster.

cpr05xtr
08-09-2012, 12:46 PM
ok SO figured i would give and update. They cam and hooked up and it was still giving a "TAC" code. After some tinkering and general screwing around the mechanic found that if he unplugged the Throttle body it is throwing the same code as it is normally. SO This morning they are calling indmar to talk to them about the problem to see if that could truly be the problem. Anyone else had this problem.?

cpr05xtr
08-09-2012, 07:27 PM
New update! Just got off of the phone with the mechanic which just got off the phone with INDMAR Indmar is suggesting a throttle position sensor and a TAC Module. He said parts are looking abouyt $650 plus labor hoping they dont rake me over the coals on that part of it. They are going to call me back with an exact estimate so cross your fingers for me guys.

mikeg205
08-09-2012, 07:36 PM
$650 - doesn't sound too bad... the throttle in my car cost me $700 to replace...2001 Mercedes -Gas pedal position sensor wore out...

ahhudgins
08-09-2012, 07:56 PM
Dang, all of this great technology is getting expensive.

I thought by your thread title that you were done having kids!! :D

JimN
08-09-2012, 08:23 PM
Dang, all of this great technology is getting expensive.

I thought by your thread title that you were done having kids!! :D

Thank the EPA for that- it's their fuel economy mandates.

willyt
08-10-2012, 12:13 PM
do something first before you spend all that money - turn off the battery switch for about 5-6 hours, dry the boat out completely, and reconnect the batteries. my boat was throwing TPS codes after the fuel pump died, but not throwing me back into limp mode. Talked to cincymc who said if the TPS was really going bad there's no way it wouldn't throw you into limp mode. tried that, and she's been healthy ever since (knock on teak)

JimN
08-10-2012, 01:26 PM
"Limp mode", which is RPM reduction, ONLY happens when the engine overheats. A failed TPS will cause the ECM to default to 12% throttle position, only so the boat can be driven back to the dock and serviced. That's not "limp mode", where RPM is limited to 2000 and it toggles the injectors.

If your boat was throwing TPS codes, it had nothing to do with the fuel pump dying- they're completely separate circuits.

cpr05xtr
08-16-2012, 03:07 PM
Oh ya i tried the reset a few times now. No luck there either. Jim, i just didn't know what else to call it. Limp mode is easier than typing, the boat went to 12% throttle position. I am going out to pick her up from the lake tonight and to drop it off at the mechanic tomorrow. They gave me a total estimate of $1,030 so that hurts a little but if it works it will be worth every cent. If not its time to move on to S&W in Colorado. Cross your fingers and D*cks for me.
Oh and yes i am getting fixed this winter. No more kiddos for me 1 and done i always say!

wakescene
08-16-2012, 11:17 PM
I know that the TPS is a only about $50, not sure about the TAC module, could be much more. I would ask for an itemization on that. I suspect your service will include a travel fee to get to the boat, $125-150 but both of these should be EASY to install. The TPS especially.

cpr05xtr
08-17-2012, 12:39 PM
well it includes the $250 on-lake diagnosis.

cpr05xtr
08-21-2012, 04:28 PM
That was fast took it in opening monday and they called at 10 am this morning and said i was fixed. So looks like i will be taking a impromptu run to the lake thursday night and give her a water test.

Traxx822
08-21-2012, 06:44 PM
"Limp mode", which is RPM reduction, ONLY happens when the engine overheats. A failed TPS will cause the ECM to default to 12% throttle position, only so the boat can be driven back to the dock and serviced. That's not "limp mode", where RPM is limited to 2000 and it toggles the injectors.

If your boat was throwing TPS codes, it had nothing to do with the fuel pump dying- they're completely separate circuits.

Had a Cadillac that operated the same way. Good description of the difference between limp mode and throttle regulation and running on less cylinders than normal.

cpr05xtr
08-28-2012, 07:47 PM
https://sphotos-a.xx.fbcdn.net/hphotos-ash3/542364_3627127518644_735883537_n.jpg
these were the problem

$1050.78 and its back in buisness!

Pedal Position Sensor=107.14
TAC Module = 523.84
shipping=15.50
Labor including Lake Test=330
Shop Supplies=25
total 1001.48
5% sales Tax 49.30
Total $1080.78

erkoehler
08-28-2012, 11:31 PM
Labor was cheap with a service call & lake test!

sand2snow22
08-28-2012, 11:58 PM
Yeah, had one today to switch out a battery. New battery installed, fired right up, running rough, then nothing. Out of gas. Going to get charged twice now....

cpr05xtr
08-29-2012, 02:20 PM
Yeah, had one today to switch out a battery. New battery installed, fired right up, running rough, then nothing. Out of gas. Going to get charged twice now....

that sucks

cpr05xtr
08-29-2012, 02:20 PM
Labor was cheap with a service call & lake test!

not bad considering the lake is 40 min away