How to diagnose a Toyota Corolla misfire?
P0300: Random Cylinder Misfire. P0303: Misfire Cylinder #3. Since my buddy was standing next to me… he mentioned that he’d already replaced the ignition coil and the fuel injector for cylinder #3 but those parts hadn’t solved the P0300/P0303 DTC.
Is the Toyota Corolla p0301 a misfire code?
P0301 should be considered a cause for concern, and can be a threat to the drivability your Corolla. The one nice thing about P0301 is that it is a cylinder specific misfire code. This makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring.
What is the trouble code on a Toyota Corolla?
P0301 is a common OBDII trouble code that appears in the Toyota Corolla.
What are the misfire codes on a Toyota OBD II?
P0303 Cylinder #3 Misfire. P0304 Cylinder #4 Misfire. Sometimes, even tho’ your OBD II equipped Toyota is suffering a bona-fide misfire, the PCM doesn’t set/register any misfire codes (no check engine light either). Lack of power upon acceleration.
How do you check a dead cylinder in a Toyota Corolla?
The easiest and fastest way to verify a ‘dead’ cylinder is by doing a manual cylinder balance test. This simply involves: Starting the engine and letting it idle. Disconnecting one fuel injector (from its electrical connector) at a time.
Where is the first cylinder on a Toyota Corolla?
An important thing to understand when finding the location of cylinder one is that it’s going to be the first cylinder in the firing order of the vehicle, and not the first cylinder that you might see when looking at the engine. The P0301 Toyota trouble code will trigger the Corolla’s service engine soon light.
What’s the difference between the 2002 and 2003 Toyota Corolla?
The 2003 Toyota Corolla is a completely new car, redesigned from the ground up. The new Corolla is longer, wider and higher than the previous generation Corolla (1998-2002). It has a longer wheelbase and a softer, more compliant ride. It has a tall, roomy interior and offers more standard equipment at a lower price than the old Corolla.