Why does my Subaru Outback hesitate when I accelerate?

Why does my Subaru Outback hesitate when I accelerate?

A vehicle that hesitates while accelerating or while driving up a hill may have a weak fuel pump. Fuel injectors may become dirty over time and not be able to provide as much fuel to the cylinder as is needed. Dirty fuel injectors may cause the engine to run lean which will in turn, cause hesitation when accelerating.

Why is my Subaru sputtering?

A dirty or failing sensor puts too much or too little fuel into the engine causing it to run rough or sputter. If they are not working correctly or are dirty they don’t ignite the fuel cleanly and the car can misfire or sputter. The plugs will need to be replaced or cleaned.

What to do about hesitation in a Subaru Outback?

I have a 2007 Outback that had the same symptoms. Taking the MAF (Mass Air Flow) Sensor out and spraying some electronic sensor cleaner on it removed the hesitation. There are just two screws that hold it in to the intake, so it is a quick operation.

Why does my Subaru hesitate when I accelerate?

Subaru 2004 2l auto tip tronic. It seems to hesitate or have slow or lack of power when you accelerate slowly Just resolved a similar problem on ’03 Forester 2.0 turbo. Car would not respond for 2 to 3 seconds when the accelerator pedal is pushed. Also, when it finally kicked in it lacked power.

Why did my Subaru Outback hesitate to change the spark plug?

My hesitation was due to my plug wire on #3 breaking apart after the last spark plug change (I pulled on the proper location of the wires to take the wires off). I changed them in the parking lot of the local Subaru dealership (when I was out of town!).

Can a 2007 Outback Outback air intake be replaced?

I have a 2007 Outback that had the same symptoms. Taking the MAF (Mass Air Flow) Sensor out and spraying some electronic sensor cleaner on it removed the hesitation. There are just two screws that hold it in to the intake, so it is a quick operation. Not sure if long term the MAF needs to be replaced but for now it is holding up.