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What is po300 and what does it mean - Cars & Trucks

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This is a code that means the engine has a random misfire which could be wires, plugs, fuel, vaccume leak. you will have to check out as to which one is causing the code.

Posted on Dec 03, 2014

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Code po300 and po327 on a 2003 suburban what do these mean


goto engine-codes.com there is info on them lots of it and how and what to check the po300 is a random miss fire can be spark plugs coil fuel injector air leak and more it tells you what to ;look for ect. ok good luck

Nov 22, 2014 | Cars & Trucks

1 Answer

2001 grand Cherokee. Code P0300


po300 is a random misfire, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. If it was a po302 this means its #2 cylinder thats misfiring,ETC, But po300 could be any one of the cylinders. check plugs, wires, fuel injectors, Etc. Good-Day!

Jul 31, 2014 | 2001 Jeep Grand Cherokee

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I'm trying to find out what po303 and po300 means


P0300: Random/Multiple Cylinder Misfire Detected
P0303: Cylinder 3 Misfire Detected
It looks like cylinder 3 isn't firing properly.

Apr 22, 2013 | Cars & Trucks

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What does po300 mean


PO300 is a RANDOM MISFIRE

Apr 04, 2013 | 2000 Chevrolet Monte Carlo

1 Answer

2005 Chrysler 300 codes po300 and po123


The P0123 means Throttle/Pedal Position Sensor/Switch A Circuit High Input.
The P0300 means Random/Multiple Cylinder Misfire Detected
Clear the code with OBD2 code scanner. If it comes back on, you
still have an issue.

Aug 22, 2012 | 2005 Chrysler 300

2 Answers

I have 1999 318 4x4 dakota with fault coads


These are misfire codes.This means that your vehicle is missing.The 300 is a random misfire and the 305 is for cylinder 5,and the 306 is for cylinder number 6.Check the plugs if they are good then you could have bad coils.They are top of the plugs.Hope this helps.Good luck.

Feb 25, 2010 | 1999 Dodge Dakota

1 Answer

1996 olds cutlas supreme, 3.1 L has trouble codes PO171 and PO300. Any Ideas?


The po300 is a misfire code.This means there is probably a plug,plug wire,ignition coil,or ignition module.Check the coil towers one at a time.These are know for corroding.If you find one that is corroded then replace the plug wire also.Po171 is a lean condition code.The po300 could be causing the po171.If you have not had a tune up Now would be a good time.Hope this helps.Good luck.

Jan 06, 2010 | 1996 Oldsmobile Cutlass Supreme Coupe

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

1 Answer

Code po300 comes on when you drive p1133,po171


code P0300 means random cylinder misfiring, have u checked spark plugs and cables

Jul 24, 2009 | Chevrolet Blazer Cars & Trucks

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