Why does my engine randomly shut off?
If your car all of a sudden shuts off while driving, it is probable that your alternator has gone bad. A broken alternator will cut the power to your car and the important parts, which will signal to you by a flashing dash or the engine all of a sudden shutting off.
Which Subaru engines have head gasket issues?
The most commonly affected models are the Impreza, the Legacy, and the Outback models between the years of 1999-2004. The main reason that they have the issues is because they share the 2.5-liter SOHC engine. This engine causes overheating, loss of coolant, and black-colored coolant in the recovery chamber.
Are there any problems with a Subaru 2.5L engine?
Subaru 2.5L engines have a mixed history of cooling, head gasket and oil leaks. There are specific ways to test a Subaru 2.5L engine for leaks, and not all testing methods provide reliable results.
What causes a Subaru Forester engine to shut down?
There’s a good chance some untrained monkey pulled something free when they shouldn’t have. If it doesn’t sputter, it’s not likely a vacuum leak. The ECU tends to try VERY hard to keep the engine running in the presence of a leak. A stuck or bad IAC would cause shutting down, but also erratic idle.
What causes a Subaru 2.5L engine to leak coolant?
Faulty chemistry and corrosion are a common problem on older 2.5L models, in which coolant tends to leak from the left–side cylinder. This problem has largely decreased since Subaru added ground straps, which protect the most vulnerable part of the head gasket.
Are there any heating problems in a Subaru?
Heating Problems on Newer Subaru Models. Cars made by Subaru since 2005 are likelier to leak oil than coolant, but the biggest abnormality in the newer models their tendency to develop warped cylinders. This is due to the reordering of engine components within the newer vehicles, which have larger combustion areas.