holyford86
Some guy with a problem
⭐Supporting Member
💻 TRS Socials
Article Contributor
Boosted (Not Stock)
GMRS Radio License
- Joined
- Aug 6, 2007
- Messages
- 2,508
- Points
- 3,101
- Age
- 40
- City
- Plattsburgh
- State - Country
- NY - USA
- Vehicle Year
- many
- Vehicle
- Ford Ranger
- Drive
- 4WD
- Engine
- 4.0 V6
- Transmission
- Manual
- Total Lift
- 7
- Tire Size
- 33x12.50R15
I have been having issues with my truck not liking to idle correctly after being shut off and restarted within about 15 minutes, It will idle @ about 450-500 rpm. I have set the TPS baseline using the procedure in Snap ON Shopkey and any other time it idles where its supposed to right @ 850 rpm. The truck is an 86 but it has been converted to a 1990 California emissions MAF computer, all of the egr components have been removed. I have no codes KOEO or KOER, the ACT and ECT are both within range, the FPR does not leak and fuel pressure is 33psi @ idle and 40psi KOEO. The IAC does function correctly in the KOER test and an ohm test to it @140 degrees says its fine as well. the underhood temps do get to 140*+ and the upper intake gets toastier than that right after shutoff.
I was wondering if relocating the ACT to the intake tube and capping the hole in the intake would make much of a difference in this behavior as the rubber intake tube is somewhat more isolated from engine heatsoak than the upper intake and it stays roughly 5-10 degrees cooler than the ambient underhood temps while driving.
I was wondering if relocating the ACT to the intake tube and capping the hole in the intake would make much of a difference in this behavior as the rubber intake tube is somewhat more isolated from engine heatsoak than the upper intake and it stays roughly 5-10 degrees cooler than the ambient underhood temps while driving.
Last edited:

