Yup, always verify your mechanical settings first before farting around with the tune (something about chasing your tail).
Double check if I sent you my HP Tuners Running Airflow config.
BUILD THREAD 87 Cutlass EFI build: 9/13/23..NEW STUFF!
- Thread starter Injectedcutty
- Start date
Yup, always verify your mechanical settings first before farting around with the tune (something about chasing your tail).
Double check if I sent you my HP Tuners Running Airflow config.
Update: The LS tuning expert and I have been going back and forth on this idle issue. Motorheadmike found a probable issue with the IAT sensor. The original tune is set to open loop, and for some reason it screwed up the IAT settings. He found the problem, sent me the correct info, I made the changes and flashed the ECM.
It was dry earlier so I started the car. This video shows it ECM trying to learn and it caught up, was idling and chugging perfect. Soon after the video it started the high idle again like a vacuum leak. Cont....
Scratching my head, Mike sent me a link about China throttle bodies. I decided to swap the TPS and IAC sensors with know good Delco units I had here. Went to remove the TPS and it came off like this!!!! Dang chinesium junk, but it gets better....
The delco sensor wouldn't slide onto the throttle shaft due to tolerance issues, so I slightly filed it to work. Also, one of the TPS mounting bolts was loose, or so I thought! Damn threads in the TB are stripped! Gotta love china QC, meh just send it! Moral of the story, I need a new TB to replace my NEW TB, that's what I get for trying to save money! At least my girls enjoyed the rear seat while I pulled hair out!
It was dry earlier so I started the car. This video shows it ECM trying to learn and it caught up, was idling and chugging perfect. Soon after the video it started the high idle again like a vacuum leak. Cont....
The delco sensor wouldn't slide onto the throttle shaft due to tolerance issues, so I slightly filed it to work. Also, one of the TPS mounting bolts was loose, or so I thought! Damn threads in the TB are stripped! Gotta love china QC, meh just send it! Moral of the story, I need a new TB to replace my NEW TB, that's what I get for trying to save money! At least my girls enjoyed the rear seat while I pulled hair out!
Back seats are one of the reasons people end up with kids to enjoy sitting in their new back seat. 
I've always maintained that ACDelco (USA made stuff) is usually the better choice all the way around if you have a choice between that and chinesium. Another story to nail that point down.
I've always maintained that ACDelco (USA made stuff) is usually the better choice all the way around if you have a choice between that and chinesium. Another story to nail that point down.
I am also now over the himfluenza and just held down my first full meal in three days!
And I stayed at a Holiday Inn Express last night.
And I stayed at a Holiday Inn Express last night.
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Scott you can drill and tap that hole slightly larger using appropriate screw. Or if it's under warranty send tb back.
As to possible vac leaks, did you have your block decked at all? I don't remember. if you did maybe manifold isn't sealed properly to heads
As to possible vac leaks, did you have your block decked at all? I don't remember. if you did maybe manifold isn't sealed properly to heads
I'm actually drilling/tapping right now. Waiting on compressor to build air to blow the hole out. No other vacuum leaks present that I could find. The TPS not being completely seated though is a huge issue.
I almost lost my fresh motor to a "budget" oil pressure sender.
Delco or nothing for this guy, sucks that the TB had terrible QC. Huge piss off.
Delco or nothing for this guy, sucks that the TB had terrible QC. Huge piss off.
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