P0300 Diagnostic Trouble Code Discussion for November 2016
Multiple Misfire Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0300
| Help Request | Posted | |
| 2006 Chevrolet Avalanche 1500 Z66 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNEC12Z66 P0300: Multiple Cylinder Misfire Detected. Thanks again guys. I know some have seen this problem on this engine so i need to see if i am overlooking something. This avalanche came in with complaint of mil light on @ running bad. Problem confirmed. Long story short cylinder #5 misfires at idle only. It ... |
November 01, 2016 | |
| 2004 GMC Savana 3500 6.0L Misfire, MIL Lamp on VIN: 1GDHG31U34 P0300: Multiple Cylinder Misfire Detected. Have tested and retested, swapped known good parts, truck will run good for brief time then act up no warning. Best way to show is list freeze frame data, engine speed-525 ect-192 tps-0% load-2% baro-99kpa- 4.71v map- 47kpa- 1.96v maf-7.55g/s egr-0% short te... |
November 02, 2016 | |
| 2006 GMC Sierra 1500 SL 4.8L Misfire VIN: 2GTEK13V76 P0300: Multiple Cylinder Misfire Detected. Looking for some guidance from those more familiar with this gmc 4.8 engine than myself. Use to euro cars personally--yet never had a car toss me for a loop like this. It got so bad, i had to boot it out of the garage to think it over formulate a new plan of a... |
November 04, 2016 | |
| 2006 GMC Sierra 1500 SL 4.8L Misfire VIN: 2GTEK13V76 P0300: Multiple Cylinder Misfire Detected. Looking for some guidance from those more familiar with this gmc 4.8 engine than myself. Use to euro cars personally--yet never had a car toss me for a loop like this. It got so bad, i had to boot it out of the garage to think it over formulate a new plan of a... |
November 07, 2016 | |
| 2012 Audi Q7 Prestige 3.0L Misfire, MIL Lamp on VIN: WA1DGBFEXC P0300: Random/multiple cylinder misfire detected. ... code P0300-P0304-P0305-P0306 misfire code so we replace spark plug coil and fuel injector we clear the code and test drive and it was good we let the car sit over night then start it in the morning and the same code came back can someone please help me. |
November 08, 2016 | |
| 2009 Chevrolet Cobalt SS 2.0L Surge, Misfire VIN: 1G1AP18X79 P0300: Random misfire. Smoke tested intake, fuel trims near 0 before and after concern and it might add 2% during concern. Misfire only last a few seconds but will come and go during light throttle cruising or slight tip in acceleration. I am trying to find someone who has access to... |
November 09, 2016 | |
| 2009 Chevrolet Cobalt SS 2.0L Surge, Misfire VIN: 1G1AP18X79 P0300: Random misfire. Smoke tested intake, fuel trims near 0 before and after concern and it might add 2% during concern. Misfire only last a few seconds but will come and go during light throttle cruising or slight tip in acceleration. I am trying to find someone who has access to... |
November 10, 2016 | |
| 2007 GMC Savana 3500 6.0L Misfire VIN: 1GTHG35U07 P0300: Multiple Cylinder Misfire Detected. ... from transmission shop. Customer complaint was of engine misfire and rough running after reaching operating temperature (also had a leak at oil sending unit.) Ran great after engine cooled off, but not for long. Trans shop had replaced 8 plugs and 8 igniti... |
November 14, 2016 | |
| 1998 Chevrolet Astro 4.3L Misfire VIN: 1GNDM19WXW P0300: Multiple Cylinder Misfire Detected. ... had new plugs and wires replaced by other repair facility,came to us,no engine light on and no code at this point,mifire history reveal #1 cyl 5 to 600 misfires,trims looks good,no misfire when cold and off idle, after ignition inspection,found distridutor... |
November 17, 2016 | |
| 2009 GMC Acadia SLE 3.6L Misfire VIN: 1GKER13D59 P0300: Random/multiple misfire. see related repair history... |
November 18, 2016 | |
| 2010 Toyota Prius 1.8L Misfire VIN: JTDKN3DU0A P0300: Random misfire. This Prius came in making a loud rattle when the ICE started warm. The rattle is being caused by a misfire on startup, but only when warm. The previous technician replaced all the coils and plugs and ran a compression test. No change in misfires. We pulled the... |
November 23, 2016 | |
| 2009 Saturn Vue XR 3.6L Misfire, MIL Lamp on VIN: 3GSCL53749 P0300: Missfire. ... hard time wrapping my head around this one! 2 weeks ago this vehicle came in with SES light on, engine noise and surging. Codes PO300 & P0326 in PCM. Found it spark knocking on rear cylinders (1,3,5) on scanner and heard it on acceleration. Felt slight... |
November 30, 2016 |
