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Code p0300 - MPV Mazda Cars & Trucks

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This is code for multiple misfire. Check that the cam sensor is OK and that the timing belt has not jumped a tooth on the cam sprocket

Posted on Apr 01, 2011

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P0300-This Relates to Misfire Detected - Random .
get back with some info on how the vehicle is running,and i will try and give you some more precise diagnosis and repair strategy.

Posted on Apr 01, 2011

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  • drock99901 Apr 04, 2011

    I have this exact same issue. It runs terrible, it idles rough, feels like it is about to stall all the time, if I accelerate hard or go up a hill my check engine light flahes and the hold light comes on and begins to flash as well.

  • Peter da techmen Apr 09, 2011

    Apologies for late reply,was away with work.just check your spark plugs for wear,and the coil lead going to each,always easier to test the basics first.Let me know your findings.

  • dbisges Apr 16, 2011

    I am having the same issue... did you find a cure?

  • Ajulo Abiodun
    Ajulo Abiodun Mar 07, 2013

    i have P0300 random multiple cylider misfire detected. what is the solution to the problem. i just change my spark plug with new ones, service the ingentor, but my mechanic says he will have to lwork on the cylinder> should i allow him to loose the cylinder?

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Posted on Jan 02, 2017

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97 caddy codes show cam timing is off causing rough idle. How do I adjust for that?


Code P0300 is not a timing code at all , it is a "Random Engine Misfire" code. Timing is computer controlled and no adjustment is required or provided for by the way. Follow the link for more info on the fault code P0300
https://www.obd-codes.com/p0300

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Starts up but runs rough, exhaust smells, and when you give it gas it wants to shut off.


How To Fix P0300 random misfire codes in your car ...

? 2:56
https://www.youtube.com/watch?v=OyvdWeyDHf4
Feb 5, 2010 - Uploaded by Scotty Kilmer
Scotty Kilmer, mechanic for the last 46 years and counting, shows how to fix your car if the check engine light ...

P0300 - OBD-II Trouble Code - RepairPal

repairpal.com > Encyclopedia > OBD II Codes
OBD II Fault Code. OBD II P0300. Fault Code Definition. Random, Multiple MisfireDetected. Symptoms. Check Engine Light flashing; Rough running, hesitation ...

P0300 - Check Engine Light Diagnostic Trouble Code ...

https://www.engine-light-help.com/P0300-check-engine-light.html
The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the ...

Random-Misfire Page

www.random-misfire.com/

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Codes P0300 P0302 P0303 P0304 P1176 P0133 P1300 P1580 P1543 B0423is running but having trouble building speed and going up hills


Codes p0300 random misfire, p0302-0304 misfire cylinder 2-4. P0133 o2 circuit slow response bank 1 sensor 1. P1176, P1300, P1580, P1543, B0423 r make specific which you didn't say this would cause the problems you are having.

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What are codes p0401 and p0300 mean on a 2000 isuzu trooper


P0401 is EGR problem
P0300 is a cylinder 3 misfire.
Replace EGR valve and do a full tune-up.

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2005 saturn ion 3 trouble code P0300


A P0300 code indicates random, multiple misfires were detected. You eliminated the possibility of ignition system faults by replacing the ignition module, the coils, and the spark plugs (unless the replacement part(s) were no good). However you did not mention the ignition wires which are another probable cause. In addition, there could be vacuum leaks due to damaged hoses or improper routing. Consider also fuel contamination or a problem with the fuel system.

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1 Answer

Random engine misfiring- fault code P0300- 1999 cutlass


Could be coil pack(s), fuel injectors, etc. Rather than retype it, just check out this great article on P0300 random misfire - http://www.obd-codes.com/p0300

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