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Post History: tony-muscle
So I was able to weld a couple holes I had downstream from the O2 sensor. This made no changes on th …In: RPM fluctuation at idle
5 years ago
Quote from taylorteamracing on October 4, 2019, 11:10 am
just fyi I ran a msd 6a,l and now a summit …In: FiTech with MSD ignition
5 years ago
Quote from hades fastback on October 1, 2019, 10:37 am
Wow this is the same problem I’m having ! It …In: 1971 Mustang
5 years ago
Quote from fanof88 on September 29, 2019, 11:19 am
What if the loop rate down number goes higher t …In: Hanging idle at operating temp.
5 years ago
Quote from Austin DeHaas on October 1, 2019, 9:36 pm
Exhaust leaks just past sensor can cause issue …In: RPM fluctuation at idle
5 years ago
Quote from javelin_72 on September 30, 2019, 10:21 am
I had a similar issue with a leaking header g …In: RPM fluctuation at idle
5 years ago
Today I drove around for a while and then checked for vacuum leaks by spraying carb cleaner around t …In: RPM fluctuation at idle
5 years ago
Quote from Austin DeHaas on September 22, 2019, 4:09 pm
Just remembered something. I have heard Fi …In: Help with my p0335, bet you can't....
5 years ago
Quote from Austin DeHaas on September 22, 2019, 3:48 pm
The 198i software has a lot more updates th …In: RPM fluctuation at idle
5 years ago
I had a similar problem, but sometimes it never came back to preset idle. For the sake of it try thi …In: Hanging idle at operating temp.
5 years ago
Austin. Thank you. I am sharing the link to dropbox with you via email.
For anyone interested in …In: RPM fluctuation at idle
5 years ago
Quote from 1972Mach1 on September 21, 2019, 7:33 pm
I've got my PWM set at 40 per the suggesti …In: FCC2 and pwm setting
5 years ago
Quote from tony-muscle on September 19, 2019, 12:26 pm
Quote from bdhulderman on September 19, 20 …In: RPM fluctuation at idle
5 years ago
Quote from bdhulderman on September 19, 2019, 10:53 am
Here are the instructions:
https://fitech …In: RPM fluctuation at idle
5 years ago
Quote from bdhulderman on September 19, 2019, 9:19 am
I would look at all parameters and see if you …In: RPM fluctuation at idle
5 years ago
In my first post I uploaded about 5 files. I charted two of the files with RPM and vacuum. The vacuu …In: RPM fluctuation at idle
5 years ago
Which software update or version did you add? I reflashed it earlier this year with new software.In: RPM fluctuation at idle
5 years ago
I have been running my EFI for some time and after tweaking here and there I am 90% satisfied. I am …In: RPM fluctuation at idle
5 years ago
As a follow up. For some reason I had missed the secondary adjusting screw. I was able to adjust the …In: 1971 Mustang
5 years ago
Okay. So I was finally able to check the butterflies. Evidently the butterfly of the secondary opens …In: 1971 Mustang
5 years ago
BTW, I even increased the the torsion in the primary spring by turning it clockwise. The butterflies …In: 1971 Mustang
5 years ago
Yes, the IACs go back to 6-9 when at the set idle of 900 rpm. I will try to take some pictures of th …In: 1971 Mustang
5 years ago
Quote from bdhulderman on May 9, 2019, 12:20 pm
Basically, if the butterflies are shut, there are o …In: 1971 Mustang
5 years ago
Quote from Austin DeHaas on May 9, 2019, 10:43 am
Then the only way the engine is getting air is th …In: 1971 Mustang
5 years ago
Quote from Austin DeHaas on May 8, 2019, 5:39 pm
Quote from tony-muscle on May 8, 2019, 4:38 pm
…In: 1971 Mustang
5 years ago
5 years ago
Austin, it starts with the butterflies close. It actually idles very well at 900rpm after you tap th …In: 1971 Mustang
5 years ago
Austin. I was finally able to play with the system. The secondaries were not closing all the way so …In: 1971 Mustang
5 years ago
I think there is a way to adjust the secondary butterfly, right? I will guess the primary is where t …In: 1971 Mustang
5 years ago
I have not posted in a while because I had the car parked over the winter. I also replaced the diffe …In: 1971 Mustang
5 years ago
I may have this issue as well. While driving my temp is "at" 165-170. My thermostat is a 1 …In: Temp Sensor
6 years ago