When did the Subaru Forester engine broke down?
“The engine threw a rod at 145000 miles in 2014. It broke down on the highway. Cost of new engine on otherwise good car was cheaper than getting a new car. Good decision, now at 215000.”
What is the misfire code on a Subaru Forester?
Mileage may suffer as well when your Forester has P0303. P0303 is a cylinder specific misfire code, which means that Cylinder 3 is misfiring and causing the code.
What does p0303 stand for on a Subaru Forester?
It stands for: P0303 should not be ignored, and can be a threat to the drivability the Subaru Forester. The nice thing about P0303 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. It will often be accompanied by codes P0301, P0302, etc….
Can a vacuum leak cause a forester to misfire?
Vacuum leak – If your Forester has a vacuum leak, it can be very difficult for it to get the right air/fuel mixture. This will cause the cylinders to misfire and it’ll throw the P0303 if the leak is around that specific cylinder on the intake manifold. It’s easy (and kind of fun) to chase one down. Popular Mechanics: How to find a vacuum leak.
How to fix a backfire in an engine?
Common Engine Backfire Causes And How To Fix 1 Check Your Spark Plugs 2 Check Your Spark Plug Wires 3 Check Your Distributor Cap 4 Check Your Carburetor
What is the difference between backfire and afterfire?
What are backfire and afterfire? Backfire is a condition described as a loud bang, poof, explosion, etc., while the engine is running or while shutting down. Afterfire occurs after the engine has been shut off. Note: Backfire and afterfire through the carburetor will not harm the engine at all!
Can a clogged fuel filter cause an engine to backfire?
If your fuel pump is going out or your fuel filter is clogged up your fuel pump may not be able to send enough fuel into the air intake of your engine cylinder. This can also cause your engine to backfire. If you have never replaced your fuel filter before it may be a good idea to inspect and replace it if necessary.
What causes a Chevy 350 to backfire constantly?
The air intake boot or tube transfers air from the mass air flow sensor into the throttle actuator and then into the engine. If there is a problem with these parts such as a tear or rip it will allow un-metered air into the engine which the computer will see via the oxygen sensor which in turn will deliver less fuel creating a lean condition.