paradime Posted December 10, 2024 Report Share Posted December 10, 2024 This started a few weeks ago and I have no idea what's causing it. Check the usual suspects, cable not stuck, throttle position is fine, vacuum hoses fine, and testing IACV is being replaced. Right now the car is in OR with my brother, and he's not very mechanically inclined, so getting clear info is an issue. A little background on the setup and peripherals. Top mount turbo, no MAF on intake, Link G4 ecu controlling servo waste gate, flex fuel sensor running e85, 60mm TB, Greddy intake, ID 1000 injectors. WTF could be causing this? Quote Link to comment
datzenmike Posted December 10, 2024 Report Share Posted December 10, 2024 Extra air must be getting in to support that high an idle. The IAC idle air control allows more air when engine cold to raise the idle and speed the warm up. Quote Link to comment
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