Why does my Subaru Impreza idle rough?
While there are a variety of reasons your Subaru Impreza has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
What causes a Subaru Outback to run rough at idle?
These packs are fired by the engines computer at exactly the right time to provide the optimal ignition timing. If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your Outback will be running rougher at any RPM, but a misfire will be most pronounced at idle.
Why does my Subaru Impreza stall when idle?
When it did idle, it idled low and was unstable often dipping to just a couple hundred RPM. I took the advice of Zecher here and cleaned out the TB. It was a work night and I didn’t want to risk not having the car drive-able the next day so I didn’t remove the TB to clean it.
Is there a problem with my Subaru Impreza GC8?
We cleaned that and the air box out and everything is running much more smoothly now, a steady idle at 750 RPM’s. Thanks again for your response, shaz. Not a problem, cleaning anything completely spaced my mind. Glad you figured it out though. I’m having the exact same issue on my ’06 Impreza. Really rough idle and stalling while driving.
Why does rough idle say misfire on cylinders 1, 3?
When hooked up to a code scanner, it said misfire on cylinders 1, 2, 3. Everything else checked out fine. At this point, could it be injectors? I dont have a ton of money, so taking it into a shop is pretty much out of the question.
What are common reasons my Subaru Impreza has a rough idle? While there are a variety of reasons your Subaru Impreza has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
Can ignition timing cause rough idle?
Many system malfunctions can cause misfires or rough idling. Ignition system components, including spark plugs, plug wires, ignition coils and ignition timing are culprits as are lean air/fuel mixtures and mechanical issues within the engine.
Why does my Subaru Impreza stall at low rpm?
So, I’ve just barely installed new plugs (OEM) and new wiring (at the same time I installed a new timing kit, I just hit 100,000 miles) – the hesitation is gone and the power is back, but a new problem has emerged: The car idles at an EXTREMELY low RPM when started (less than 500) and barely stays alive.
When did rough idle on WRX come out?
Discussion in ‘ Modifications And Maintenance ‘ started by Velislide, Oct 14, 2012 . Okay, I’ve been reading since I got my WRX, about the rough idle issues.
Why does my car idle low when starting?
Starting, car starts right up and jumps to 2k rpms or whatever when starting, and when its settling back down sometimes it will just die, otherwise idle will drop extremely low to the point of it not registering on the tach, and then idle back up.