Question about 2001 Nissan Sentra

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Code po300,misfire.....is that just sparkplugs

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P0300 Random/Multiple Cylinder Misfire Detected, its coil pack or leads. hope this helps ( rate me thanks )

Posted on Aug 30, 2010

  • mecanico011 May 03, 2012

    Hi gays i changed the sparks plugs a coils to s the engine roug

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SOURCE: Can't read misfire codes

The code P0300 is a random misfire code which means any cylinder and the code P0316 means that there is a misfire code set within the first 1000 revolutions of the engine. Good luck with this problem.

Posted on May 06, 2009

  • 373 Answers

SOURCE: Random misfire on all cyliner a po300 code pops up...

It sounds like the coil is breaking down or the cam sensor may be at fault for the misfiring. Use an inline tester and connect from the coil tower to the spark plug wire to check for a good steady fire. Do this on all coil wires to spark plugs. The best time to do this is at night so you can see it fire. You may want to remove the spark plugs and inspect them for a fouling condition. If all is well then look at the cam sensor for the problem. Hope this will help you.

Posted on May 22, 2010

SOURCE: random multiple misfire at 4000 rpm

trying setting your dwell and timeing, should correct.

Posted on Oct 08, 2008

  • 4 Answers

SOURCE: PO300 Multiple Cylinder Misfire Detected on GMC 5.3L Yukon

TRY LUCAS OIL,I USED A FULL LITRE FIRST,WILL LET YOU KNOW HOW IT WORKED.BEFORE THIS I CHANGED OUT TWO ROTTEN LOOKING KNOCK SENSORS,THEN TWO WEEKS LATER REPLACED THE REAR ONE AGAIN,AND IT FAILED AGAIN.AND SO I AM NOW TRYING THIS NOTICED A BIG DIFFERENCE IN POWER NOISES,NO PINGING,NO RATTELING LIKE IT IS A DISEL.

Posted on Dec 12, 2010

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The engine is a 2.8 v6 30v ihad thought the new coil pack ,new wires or new sparkplugs were installed wrong since i am now getting codes of po300 po301 po303 and po353 i initially thought the...


u should check with ompression test.P300 is misfire code,it might be low compression in any cylinders.always start from basic first then replace parts

Jan 27, 2014 | 1999 Volkswagen Passat

1 Answer

Po161-po300


Sparkplug gap should be .040.The trouble code P0161 is for a faulty oxygen sensor on the passenger side after the catalytic converter.The P0300 is a multiple misfire.It could be vacuum leaking around the intake manifold.

Oct 30, 2012 | 2000 GMC Sierra

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Po300 code multi cyl misfire any sugg


The code you got may not have indicated the correct coil, that was bad

I would put the old coil back in #6 & either walk the new coil to another cylinder, or get professonal help in the form of a scan tool in Mode $06,
if applicable on your vehicle & check for misfires that why

Forget the PO300

Jul 30, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

I have a 1998 chevy milibu and I am getting codes po300 and po172


po172 is system rich bank 1 and po300 is multiple cylender misfire. i would get a full tuneup. sparkplugs and sparkplug wires.

Jul 13, 2012 | 1998 Chevrolet Malibu

1 Answer

Chevy malibu 2001 code po300


P0300 is multiple cylinder misfire, meaning a engine miss is detected on more then 1 cylinder, I would have the codes scanned at auto part store to know for sure which cylinders are actually missing, if there are 2 cylinders that are missing and they are side by side, such as cyl. 1,3. Or 3,5. If so its possible u have a blown head gasket blowing in between the 2 cylinders.. 1st double check that your wires are installed correctly, the coil packs have numbers on them to assure proper location.. Note the rear head has cylinder 1 3 and 5. Some people get that confused.. Providing you have a 3.3, 3.8 or 3.1 liter engine.

Jun 10, 2012 | Chevrolet Malibu Cars & Trucks

1 Answer

2005 nissan frontier giving po300 code


P0300 means misfire ,random, more than one cyclinder.You will need to access the ignition coil and sparkplug and inspect coil boot for a short to ground. start out with a full tune up shnage sparkplugs 10_2_2011_10_49_28_pm.gif

Oct 02, 2011 | 2005 Nissan Frontier

1 Answer

Vehichle just stared running really ruff in a day. Code reader code is PO300 multiple cylinder misfireing. what generally is the problem with the 2003 Alero?


Been there done that code. Ended up being the sparkplugs. Do not use Bosch, the contacts actally arched together on mine 2 different times. Use a different brand or even AC Delco OEM.

Dec 08, 2010 | 2003 Oldsmobile Alero

1 Answer

My check engine light started blinking andthe vehicle is shaking


a blinking ck engine light means you have a catalyst damaging misfire. the misfire is also the cause of the shaking and probably low power condition. you need to have the vehicle scanned asap and try to figure out which cylinder or cylinders are misfiring by the code read by the scanner. if you have a po300 code it means you have a random cylinder misfire. if you have a po301 through a po306 then go to the cylinder 1-6 designated by the last # in the code to figure the cause from there. look for a burnt plug wire, remove the proper sparkplug and ck it. also remember to change the engine oil as there is unburned fuel getting into it every minute this condition exists that the engine is running. good luck to you.

Sep 23, 2010 | 2001 Chevrolet Blazer

1 Answer

Has a po303 and a po300 code


P0300 is a random misfire and P0303 is a misfire on cylinder 3. That's where the trouble is. Change your sparkplugs and see if the coil that drives the #3 cylinder has signs of damage. Then reset the code. If it comes back, swap that coil with another, reset the code, and see if the misfire code moves. If it does, the problem is the coil. If it does not, the problem is the plug, wire (if applicable), or ignition driver for the coil.

Nov 18, 2009 | 1997 BMW Z3 Roadster

1 Answer

I have a diagnostic trouble codes p1768,po300,and a po420. what does this mean?


I have tow of the three requested codes. po300 is misfire detected at multiple cylinders. See po301-306 represent the cylinder # misfire. So 301 is cylinder #1 misfire.

po420 is Catalytic Converter Efficiency Failure

Oct 08, 2009 | 1996 Plymouth Voyager

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