Why does my Subaru Forester make a pinging noise?

Why does my Subaru Forester make a pinging noise?

we own an 03 forester xs 2.5AT. we’ve been getting knocking/pinging from the engine since it was fairly new. at the time, the subaru dealer mechanic said that it was an ecu thing, and just use a higher octane, so we went from 87 to 89 regular, and the noise mostly went away. Pinging on higher mileage cars can be caused by carbon buildup.

Why does my Subaru make a knocking noise when I start the car?

When start the vehicle cold or warm, the engine is loud and high rpm for 60 seconds. Vehicle shakes 2. After 60 seconds, the rattle/knocking noise from the engine kicks in and stays on. The noise occurs 90% of the number of times starting the vehicle.

Are there any problems with the Subaru Forester?

Subaru Forester owners have reported 14 problems related to engine knocking noise (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Subaru Forester based on all problems reported for the Forester. My car is burning up oil.

Why is smoke coming out of the hood of my Subaru Forester?

Smoke was coming out from under the hood. The car was towed to a nearby dealership. They determined that the one of the connecting rods punctured the engine block which caused engine oil to shoot through the hole onto the engine block, melting the wiring, and causing the smoke.

we own an 03 forester xs 2.5AT. we’ve been getting knocking/pinging from the engine since it was fairly new. at the time, the subaru dealer mechanic said that it was an ecu thing, and just use a higher octane, so we went from 87 to 89 regular, and the noise mostly went away. Pinging on higher mileage cars can be caused by carbon buildup.

How can I tell if my knock sensor is working?

A good way to test to see if the knock sensor is working is to tap the general area around the sensor with a hammer. This should make the engine change its idle due to the change in timing. If it doesn’t change, then your knock sensor is toast.

Why does my 2004 Impreza outbak sport Keep Knocking?

The knocking you are hearing is probably piston slap. My 2004 Impreza outbak sport had that as well. I had them change the piston that was causing the piston slap (due to very small tolerances) and it mostly went away. It still did on cold days and when first starting up.