Baller Andy Posted July 21, 2015 Baller Share Posted July 21, 2015 The 06 ZR6 is having an idle issue. Boat starts right up and settles into appropriate idle. Going into gear no problem. The issue is into and out of gear when picking up skier or trying to get on the lift. Appropriate in gear RPM but when it goes back to neutral, it'll rev between 1000-1300 for a second or two. What do you guys think...throttle control position sensor or throttle body assembly or both? Thanks in advance. Link to comment Share on other sites More sharing options...
Baller_ DW Posted July 21, 2015 Baller_ Share Posted July 21, 2015 I would start with the TPS, and clean the MAS wire (if setup that way). Link to comment Share on other sites More sharing options...
Baller chris_logan Posted July 21, 2015 Baller Share Posted July 21, 2015 I'm not super familiar with the throttle body setup on a ZR6, but it sounds like what I have experienced with a failing IAC valve on other engines. Maybe you could get something more definitive with an OBD2 scan? Link to comment Share on other sites More sharing options...
Baller skiinxs Posted July 21, 2015 Baller Share Posted July 21, 2015 The .06 still had a throttle cable. Since initial start is ok and the problem only manifests itself going in and out of gear, I would start with a check / adjustment of the throttle cable. Open the motor box, open the slide on the ball connector on the throttle cable connector at the throttle body, make sure it is not touching the throttle arm, and shift in and out of gear. If it still does it, that isn't the problem. If it works correctly with the throttle disconnected, readjust. Make sure there is some pressure on the throttle arm when in nuetral. Also, make sure the throttle cable moves freely and is not stiff/sticking. Link to comment Share on other sites More sharing options...
Baller Andy Posted July 21, 2015 Author Baller Share Posted July 21, 2015 Great places to start. Thanks for your insights! Link to comment Share on other sites More sharing options...
Baller rockdog Posted July 22, 2015 Baller Share Posted July 22, 2015 I have exact same problem with my GT-40.. Link to comment Share on other sites More sharing options...
Baller Andy Posted October 27, 2015 Author Baller Share Posted October 27, 2015 So I lived with this annoyance since July. I followed above trouble shooting ideas andI changed the TPS but it didn't fix the issue. Now the dealer says there is an update for the ECM that he thinks will resolve the problem. Any of you know about this update? Thanks. Link to comment Share on other sites More sharing options...
Baller Andy Posted October 30, 2015 Author Baller Share Posted October 30, 2015 I'll keep you guys posted. Supposed to get this done Tuesday and I hope to ski Wednesday. Link to comment Share on other sites More sharing options...
Baller Andy Posted November 5, 2015 Author Baller Share Posted November 5, 2015 The ECM went back to PCM. Hope to get it back ASAP. Link to comment Share on other sites More sharing options...
.webp.a30f66e5f4553a0ea06e4fe12520951c.webp)
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now