How To Fix P0300 Random Misfire Codes In Your Car




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Andiar Rohnds: REV VREV REV REV VVV REV REV

John Long: got chevy silverado and i dont know weather to changes catillac converter or spark plugs

HunterKiller 94: ok odd question. i want to make sure my cars check engine light works. whats the best way to make it turn on without doing any damage? or removing the dash to check the bulb.

Robert Smith: I have a 2003 ford Taurus ses 3.0 it randomly says I have a p1131 p1151 and p0300 or it will say p0301 p0303 and p0306 and runs like crap I pop the hood try to hear see or even smell something off then it smooths out

chris rogers: I have a 1996 Oldsmobile Cutlass Supreme 3100 V6 12 cylinder engine can a random misfire cause the car not to start because at times it will start but then it will not but once it's running it's fine it'll bog down a little bit at times unless I'm going over 40 but then if I'm doing over 45 it does just fine what could this be

Dildar Hussain: Hello,
I have Toyota Camry 2006 (2.4L)/4Cyl.... it misfires,/loosing power/jerk during running when I increase the Accelerator...... but it remains Lil bit smooth when I increase accelerator very slowly.... No check engine light no any code.

1)..I replaced Fuel filter
2)..Injector cleaned
3).. Air control valve Inspect and clean
4)... Ignition Coil Resistance Check and the resistance is between 349 to 350.7 Ohm for all 4 cylinders ( resistance measured between first 2 pins).
5)... All vacuum pipe also checked but did not found anything..
6).... All electrical fuses are ok
7).... At OBDII no no code display

what would be the cause of misfire or losing power or pick power or jerk....???? Please Rply.
Thanks and regards.
Dildar Hussain.

Billyboy: I do have a bad battery,guess I can start there lol

k monsalve: Hi scott. I changed my sparkplugs on my sentra 09 and now it doesnt stays on. I put the comp on it and it has codes P0300 and Pedal sensor. Any help appreciate it. Thanks

rstephe: Good stuff.

stumpmtsr: I received this code on my 2003 Nissan Altima 3.5L after my daughter ran the car hot for several miles. What could running the engine so hot hurt to cause this code? Don't think the heads are blown.

juggernault71: one more small detail you could have added is how to Deactivate the 'Check Engine Light" when your Mission is done. other wise you could be Diving around for days with it on and Still not Sure if what you might have fixed was actually the problem to Begin with. :)

Raymond Rodriguez (Ray): I have a 2008 Chrysler Pacifica AWD, had a check engine light went to autozone codes popped up p0300 &0016 which is multi cylinder misfire and crankshaft/camshaft timing misalignment. So I want to solve the problem. Changed spark plugs, valve cover gaskets and o ring seals (because there was oil in the spark plug tubes) and all six ignition coils, check engine light came back on after about 5 mins of idling. Engine is still riding rough with a consistent ticking upon start which turns into a knocking within a few mins of idling. A friend suggested it may be my timing belt, but I have also been told it could be carbon build up (so I have also used a fuel system cleaner treatment 2x). Can you give me some advice before I spend more than what I need to to fix the problem? Please get back ASAP, Thank you.

Acdeportivo2: instead of carb cleaner can i use throttle body cleaner instead ?also this wont light up a fire if the engine is hot and running ?

MrHeruDark: Good Evening. I have a 2000 nissan pathfinder le and am getting a random misfire and knock sensor code ( p0300 and p0325 i think) i have replaced/relocated the knock sensor to the top of the engine where it was recommended by a few people i know who work on cars and on the internet. I also replaced all 6 spark plugs and erased the codes but after a while the SES light would come back on. the car Idles a little rough and the SES light flashes when am driving it seems to run fine but doesnt have as much power as a 3.3L engine should. anything you can suggest? i was thinking about the ignition coils but i was going to change the wires out before i spent $70+ to get them off the internet.

Octavio Sanchez: THANK YOU

Charlie Cerezo: Probably one of the most informative and entertaining instructional videos on cars I have seen so far.

duy dinh: Mr Scotty, I got the code p300 and p301 showing up. I swap the spark plug, but the code still show up after I erase and run for a few miles. Should an AC compressor cause the same code (p300 and p301)?

Draper Lawson: My car won't even go now it just dies?

Draper Lawson: My car has miss fires, I have no clue what's causing the them, I changed spark plugs, I do know my battery is bad? Would my battery cause this?

B Brid: I have a 2004 mercedes e500 and I'm getting a random misfire code p0300 I told that the x4/10 fuses are blown and that's why the engine is misfiring I had new plugs put in and wires but I didn't replace the ignition packs and my air filters are dirty can u give something concrete to go with

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