Eighth generation of the Mazda Protege.

36 Questions View all

I have an error code P0300.

when a press on the gas sometimes it does not speed up as supposed, on the contrary it perform as it is something obstructing the gas injection, the engine shakes and moves forward very slowly, after few metters it goes back to normal. Any idea??

Answered! View the answer I have this problem too

Is this a good question?

Score 0
Add a comment

1 Answer

Chosen Solution

Ali Hosman Rivero , DTC P0300: RANDOM MISFIRE DETECTED

Possible causes are: Camshaft Position (CMP) sensor malfunction.

Crankshaft Postion (CKP) sensor malfunction.

EGR system malfunction.

Excessive air leak in intake-air system between Mass Airflow (MAF) sensor and dynamic chamber.

Fuel line leak.

Fuel pressure regulator malfunction.

Fuel pump malfunction.

Ignition coil malfunction.

MAF sensor malfunction.

PCV valve malfunction.

Plugged or restricted fuel filter.

Plugged or restricted fuel line.

Poor connection or wiring problems.

Poor fuel quality.

Purge solenoid valve malfunction.

Secondary ignition system malfunction.

Vacuum hoses damaged or improperly connected.

Most common cause is that the coil packs are starting to go, they only mis-fire the engine cylinders sometimes.

Was this answer helpful?

Score 0
Add a comment

Add your answer

Ali Hosman Rivero will be eternally grateful.
View Statistics:

Past 24 Hours: 0

Past 7 Days: 3

Past 30 Days: 26

All Time: 480