What causes a 2004 Forester to stutter under load?

What causes a 2004 Forester to stutter under load?

Mine flaked out on me without setting a check engine light and was causing all kinds of bucking and hesitation under load. If your car has a MAF sensor the oil from the K&N has worked its way onto the sensor element and “clogged” it. It will need to be cleaned with MAF sensor cleaner and the K&N replaced with a regular paper filter.

What does it mean if your Subaru is sputtering?

To a non-mechanic, it feels like the fuel supply is sputtering. We have had it to the mechanic 5 times (3 times to Subaru dealer) and, of course, the problem will not showcase itself during these visits. Only once did the check engine light come on, and that reported a possible problem with the throttle position sensor.

What should I do if my forester is sputtering?

You may also need to clean the intake piping and filter box to remove any excess oil to prevent a recurrence. If no MAF sensor, change the spark plugs and wires. Even if you don’t have a CEL on this sounds like typical misfire under load symptoms due to old spark plugs.

Are there any problems with the forester Outback?

While 2000-2003 legacy and Outback models have had problems in that area with a small cap and o-ring being compromised (and shutting cars down completely), the issue has never been reported in 04 . Maybe the Forester Forum would know for certain. You can get the cap and filter on-line, dunno about just the filter.

Mine flaked out on me without setting a check engine light and was causing all kinds of bucking and hesitation under load. If your car has a MAF sensor the oil from the K&N has worked its way onto the sensor element and “clogged” it. It will need to be cleaned with MAF sensor cleaner and the K&N replaced with a regular paper filter.

You may also need to clean the intake piping and filter box to remove any excess oil to prevent a recurrence. If no MAF sensor, change the spark plugs and wires. Even if you don’t have a CEL on this sounds like typical misfire under load symptoms due to old spark plugs.

Why does my car sputter when I drive?

Driving should be smooth. But, if you are driving and your car’s engine starts sputtering the first cause of concern would be low fuel. However, if your fuel gauge is full it could be a symptom of further engine problems. A blocked fuel injector can prevent fuel from reaching the combustion chambers.

How much does a Subaru Forester engine hesitate during acceleration inspection?

Subaru Forester Engine hesitates during acceleration Inspection costs $85 on average. Following is a breakdown of the labor and parts estimates. Fast and easy service at your home or office. Real customer reviews from Subaru owners like you. Offered to arrive earlier, which was great! Very friendly and easy to talk to. Quick, great work!