WebAug 2, 2024 · Car won't idle normally? Engine surges or revs up at idle? Mine used to as well, until I discovered what the problem was. I replaced multiple parts that m... WebJan 10, 2024 · It sounds like you may have a dirty or failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at idle. This valve is controlled by the vehicle’s computer and will adjust idle speed based upon other measurements such as engine temperature, intake …
7 Reasons Of Car RPM Bounce When Letting Off The Gas
WebSep 13, 2024 · Honda Civic Engine Idle Surging Up / Down - Poor Idling P0505 IACV Hot - Cold or Warm StartHonda Civic Engine 1.5L / 1.6L / 1.7L / 2.0L / 2.0L - S Type#1- Co... WebWhile accelerating your RPM may fluctuate. This issue is usually caused due to the idle air control valve or IAC. This can be one of the reasons behind your car revving while … hia member benefits
Why is it when driving the RPM gauge drops or jumps up? - iFixit
WebMay 24, 2016 · One foggy morning however, I was driving and stopped at a stop light. While pressing the brake, the engine suddenly revved up. The car lurched me toward the stop light. I took it to the dealer, but he didn't find any problem. This happened again one rainy day. The engine started revving. The car lurched me toward while I pressed the … WebNov 16, 2015 · After all this the engine started revving up and down when idling. If I try to drive the car while it is still idling it stalls a lot. However the car still stalls a bit when it is finally warmed up but not as frequent nor as hard. ... Hopefully this will stop the surging. Share. Improve this answer. Follow answered Nov 11, 2015 at 17:00. ... WebMay 4, 2024 · The idle air control valve is a small valve on the engine’s intake system that reads the air intake as it comes into the motor. This is controlled by the car’s ECM which uses this information to make adjustments to the air/fuel ratio depending on various inputs such as outside air temperature, intake air temperature, load and various other ... ezekiel etymology