Thread: 08 GTI se 130 low idle rpms
03-18-2014, 05:01 PM #1
08 GTI se 130 low idle rpms
My GTI recently starting running rough with erratic rpms and had a max speed of 37. I replaced the plugs and for good measure, the battery.
I got in the water last weekend and it's running much better, but it died a few times after going from full throttle to idle. Every time I do go to idle, it seems to go too low on rpms, shudder slightly, then readjust. It had been doing this before but it seems more consistent now.
03-18-2014, 05:02 PM #2
03-18-2014, 05:06 PM #3
Gas should be good, as I ride 2-3 days a month, about 60 hours a year. So, this has been occurring over several tanks of gas.
03-18-2014, 06:27 PM #4
Tps might need reset.
Throttle position sensor.
03-18-2014, 06:28 PM #5
60 hrs per year so you have 360 hrs?
When is the last time you ran fuel injector cleaner thru it?
03-18-2014, 07:42 PM #6
how many actual hours on it?
spark is good on all 3?
03-19-2014, 05:48 AM #7
The actual hours on this machine are unknown.
It was bought used about 1.5 years ago from an independent dealer. The hours were at 0 and the dealer stated "we had to replace the electronics" and that supposedly explained the 0 hours.
I suspect it may have been a rental, as the speedo was never activated or was deactivated. Also, the water temp does not work/display.
And for some reason, the OPAS fins have been removed.
I have put 95 hours on it since purchasing and have generally had no problems.
I have not run injector cleaner.
I did replace oil/filter/plugs at 50 hours. Plugs were just replaced to combat the erratic RPMS and seems to have fixed that issue.
I do ocassionally ride in the ocean, but it's thoroughly rinsed and lubed after every ride.
Regarding the TPS, is that something I can reset, or must it be taken to the dealer?
Could a worn throttle cable becausing problems as well? It looks OK, but it gets just a bit sticky now and then.
Many thanks for all the assistance!
03-19-2014, 06:15 AM #8
The display not working means the dealership didn't marry the guages to the ski/ecu when they put new guages in.
Check your coil packs for cracks and connection points.
Tps is something the dealership has to check/reset a candoo or seadoo computer is needed.
A stickey throttle cable is not good and could be a reason for higher idle.
Have you checked your compression #s?
03-24-2014, 05:37 AM #9
Got it in the water yesterday and put about 2 hours on it. It generally ran well, but the low RPMs persist; although it never totally died. It will drop to about 1200 and then readjust upward to the 1800~2000 range.
I have not checked compression; don't have the tools for that.
03-24-2014, 06:17 AM #10
Compression guage is @ $40 at any auto parts store.
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