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What is code p0300 - 2004 Chevrolet Impala

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P0300 stands for a misfire diagnostics

how old are the plugs and plug wires? if 50,000 miles or more are on the I would replace them

Posted on Jul 17, 2010

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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/

Jan 24, 2016 | Cars & Trucks

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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.

Apr 07, 2015 | Cars & Trucks

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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.

Mar 19, 2014 | 2000 Isuzu Trooper

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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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