Question about 1999 Mitsubishi Mirage

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P0300 misfire problen

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Get a tune up change spark plugs, wire, air filter, pcv , and gas filter.

Posted on Dec 18, 2008

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1998 Pontiac grand Prix gt has motor vibration when started replaced plugs, maf code is po300 what could this be


Melissa, P0300 Random Cylinder Misfire, could be caused by bad plug wires,bad /weak coil, Ign. module,clogged bad fuel injectors,etc. will probably have to take it to a good tech to diagnose and est. repair. Check the attached links more info,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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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

3 Answers

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

1 Answer

Ramdom misfire p0300


Please go to this link for diagnosis and repair of random misfire codes (P0300)

Sep 04, 2012 | 2000 Dodge Ram 1500 Truck

1 Answer

P0300


Im assuming your asking about the ODB-II codes, this code,P0300 Random/Multiple Cylinder Misfire Detected.
A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.
Here are a few things that could be the cause.
  • Faulty spark plugs or wires
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector(s)
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve / passages
  • Faulty camshaft position sensor
  • Defective computer

    I would start things out with a tune up, new plugs and wires, wires break down after time and could be grounding out, or arcing between themselves causing a misfire.
  • Jul 05, 2012 | Cars & Trucks

    1 Answer

    Dtc p0300 d21


    A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring.
    try to use this tool clear the p0300.

    Jun 07, 2012 | Nissan Pickup Cars & Trucks

    2 Answers

    Obd codes p0300 p0301 p0303 p0305 p0401


    P0401 Exhaust Gas Recirculation Insufficient Flow Detected

    P0300 Random/Multiple Cylinder Misfire Detected
    P0301 Cylinder 1 Misfire Detected
    P0303 Cylinder 3 Misfire Detected
    P0305 Cylinder 5 Misfire Detected


    I would check out the EGR valve. That maybe what is causing all the misfires.

    Mar 24, 2009 | 1997 Toyota Camry

    1 Answer

    I am workiing on a 1999 toyota carolla has a misfire


    Here is a good site for OBD II trouble codes.  P0300: Random/Multiple Cylinder Misfires Detected, P0301: Cylinder 1 Misfire Detected, P0304: Cylinder 4 Misfire Detected.

    Jan 25, 2009 | 1999 Toyota Camry

    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

    Dec 15, 2008 | 1999 Chevrolet Cavalier

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