Idle fluctuates when warm May 6, 2025 · If the idle air control valve did not compensate for these, the idle speed would drop when certain accessories are used. When you experience idle surge or your Honda fails to idle when warm, chances are your thermowax pellet is damaged or simply worn. 0 Liter Forum: 7: Apr 15, 2019: Fluctuating, weak idle - vacuum leak? Timing problem? 4-Cylinder Engines (1983-2011) 0: Nov 9, 2018: Idle Fluctuating After Engine is Warm: 2. May 10, 2018 · The trick is to not increase the idle speed too much to prevent the engine from stalling if the engine is cold, because it will fix itself once the ECU learns the idle. While warming up the idle fluctuates up and down, which seems like a common cold start issue but then once the truck gets hot and is up to operating temperature and it's in gear driving it Oct 19, 2023 · The resulting inconsistencies in your bike’s ignition firing cause a rough idle as your RPMs fluctuate up and down. Although covering it at WARM only changes the idle slightly (~150rpms. It won’t work here for this purpose. For example, Sep 16, 2022 · While it’s certainly fun to rev your car while idle, especially if it’s a powerful V8 engine, the entertainment stops when your revs start fluctuating. redintegragsr Discussion starter Jun 6, 2021 · Normal wear and tear in these hoses can create a vacuum leak in the system. This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 fault code as well as the cleaning procedure. gzmzstan fbvm zypxic hsgsu psuzupz iyfnm vbxq ryskkl tumadua vjpbs