New Member RX-7 Technical Post your first technical questions here, in an easy flame free environment, before jumping into the main technical sections.

rough idle then stalls

Thread Tools
 
Search this Thread
 
Old Mar 19, 2026 | 11:58 AM
  #1  
logandingo's Avatar
Thread Starter
New to the Club!
 
Joined: Mar 2026
Posts: 1
Likes: 0
rough idle then stalls

I recently got my FC running but it can't hold an idle, I tried adjusting the TPS and cleaning the BAC out. When I first checked the TPS it read the voltage correctly now I get no Volts out of it. I also suspect a vacuum leak so I'm probably going to re hose the rats nest. If anyone got any ideas let me know.
Reply
Old Mar 19, 2026 | 06:50 PM
  #2  
TheWulf's Avatar
Full Member
Tenured Member: 15 Years
Liked
 
Joined: Jun 2008
Posts: 52
Likes: 18
From: Canada
Welcome.

Definitely sounds like a vacuum leak. You're on the right track. Vacuum leaks can be tricky, anything from a vacuum tube crack to a manifold gasket.

TPS getting no volts is suspect though. Have you tried to bench test it? I got myself one of
these these
on Amazon to bench test my TPS over the winter. This should also help rule out if it's a wiring issue or a sensor issue -- in all likelihood the connector is just loose.

Good luck!
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
galaxy convoy
2nd Generation Specific (1986-1992)
4
Feb 16, 2018 08:52 AM
AUGieDogie
Rtek Forum
1
Jun 24, 2006 03:20 AM
Cowzzz
2nd Generation Specific (1986-1992)
5
Mar 18, 2005 04:03 PM
jdmsuper7
2nd Generation Specific (1986-1992)
4
Jan 19, 2005 10:22 PM
Impreza2RX7
2nd Generation Specific (1986-1992)
11
Oct 12, 2004 08:44 AM




All times are GMT -5. The time now is 10:13 PM.