P0300 Diagnostic Code - Random Misfire
Symptoms.
Engine may stumble or miss
Engine may be hard to start
you may notice no issues
Cause
Failing spark plugs or spark plug wires
Bad coil or coil pack
Failing oxygen sensor(s)
Bad fuel injector or more than one
Stuck exhaust valve
Bad catalytic converter
EGR valve or valve passage clogging
Bad camshaft position sensor
Bad PCM or ECM
The Fix
Best first action is a tune up, new plugs, wires, inspect all hoses and wire connections then reset the code. If it returns you will need to narrow it down to a system, coils and coil packs should be tested, catalytic converters for function ( do you smell rotten eggs?). A misfire that jumps cylinders could indicate a lean condition, do you have any other codes along with the 300? this will help clue you in to the source, check valve function to make sure they are opening and closing fully.
This is probably pone of the most difficult codes to troubleshoot, so start with the basics and work your way into the more expensive options, in many cases a good old tune up solves the problem, back it up with a fuel system cleaning and see where you stand.
Random misfire
Random misfire
My book shows P0300=Random/Multiple Cylinder Misfire Detected. P0342=Camshaft Position Sensor Circuit Low Input. Hopefully this helps you out.
i need code cassette for Hyundai accent 2002 ..please
Trouble code P0300 means: Random/multiple cylinder misfire detected
All Hyundai accent in that year physically don't have that code they will start in p0,p2 and u0 . None start in p1
Have the car re-scanned. P0310 is cylinder #10 misfire. This code is no applicable to the Accent.
http://www.modifiedlife.com/2001-hyundai-accent-car-stereo-radio-wiring-diagram/
my code is 1564 for 95 Hyundai accentFromHyundai OwnerEach Hyundai will come with a card this card contains the code to you radio without this card the radio will not unlock because of the theft system.
Trouble code P0300 means: Random/multiple cylinder misfire detected.
Trouble code P0711 means:Transmission fluid temperature sensor circuit range/performance
Yes. Trouble code P0300 means: Random/multiple cylinder misfire detected
I have my code I need to know what to do with it so my radio will work the battery was removed.
Trouble code P0172 means: System too rich (Bank 1)