Why does my car stop with no check engine light?
If already at idle, then stopping, with no check engine light, you normally look for air/fuel/ignition issues. It obviously lost one of them. The cause, is the deeper question. In some models, the Idle Air Control motor wiring is not monitored for codes, so a broken wire, or bad motor will slam shut when…
Why does my car rough idle but no check engine light?
This issue is normally caused by low fuel pressure or a faulty injector, but since you have just replaced the fuel pump, this may also be a sign of a failing idle air control (IAC) valve. This is a unit that is located on or near your intake manifold that monitors the air intake as it is mixed…
How does the Check Engine light work on a car?
Your car’s primary computer, which is often referred to as the powertrain control module (PCM), controls and monitors the IAC. If the module detects a problem with the way the IAC is behaving, it will turn on the check engine light and store a corresponding diagnostic trouble code (DTC) in its memory.
How long has my car been sitting idle?
The car has been sitting idle for about 6 months as I’m trying to sell it and have had it sitting on public land. I’ve finally got someone going to come and look at it tomorrow, so I went and checked it today and the check engine light has come on. I took it for a little 5 minute drive around a few blocks but it didn’t seem to help.
Why does my car idle but no check engine light?
This issue is normally caused by low fuel pressure or a faulty injector, but since you have just replaced the fuel pump, this may also be a sign of a failing idle air control (IAC) valve. This is a unit that is located on or near your intake manifold that monitors the air intake as it is mixed with fuel prior to being injected into the engine.
Why does my check engine light flash on?
Your idle air control valve controls the idle speed of your engine, and if it goes bad, your car might idle too high or start stalling. Your car’s “Check Engine” or “Service Engine Soon” light can flash on for more than 1,400 different reasons, and in the coming months, we’re going to share with you what some of those reasons are.
What does the Check Engine light look like?
Look at your dashboard; if the check engine light is on in conjunction with idle issues, it may be because the idle control valve is malfunctioning. [4] Auto Repair & Design Specialist Expert Interview. 23 February 2021. The check engine light looks like a simple drawing of an engine.
How can I tell if my idle control valve is working?
To check if an idle control valve is working properly, start by turning on your engine and letting it run for a minute or 2. Then, when it’s at an idling speed, take note of the RPMs in your car. Next, turn the engine off and disconnect the idle control motor under your hood.