P0300 Diagnostic Trouble Code Discussion for June 2015
Multiple Misfire Detected
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| Help Request | Posted | |
| 2000 Toyota Corolla VE 1.8L Stall, Misfire, MIL Lamp on VIN: 1NXBR12E1Y P0300: Multiple Cylinder Misfire Detected. Need some Toyota help please ! Corolla came in running rough and stalling out. Had misfire codes for #1 and #2. Ran compression test, all good 145-150, fuel pressure 48 psi, manifold vacuum 23 at idle, did not go down when revved up. Pulled plugs and replaced ... |
June 03, 2015 | |
| 2005 Chrysler PT Cruiser GT 2.4L Misfire, MIL Lamp on VIN: 3C3AY75S35 P0300: Multiple Cylinder Misfire Detected. we replaced the head on this vehicle about a year ago, every once and awhile now it will throw these codes but you never feel any misses or loss of power. we checked compression and have 150 psi across the board the fuel pressure is at 58 psi at idle. i have t... |
June 10, 2015 | |
| 2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on VIN: 3GNFK16348 P0300: testing and results. have issue with fault code p0300 coming on every time cylinder deactivation comes on, mis is cyl 3, snap-on tool data shows counter to 200 then codes or if holding steady at 60mph under light load will continue to misfire-light flashing, once throttle angle ch... |
June 15, 2015 | |
| 2002 Chevrolet Silverado 1500 HD LS 6.0L Misfire, MIL Lamp on VIN: 1GCGK13U92 P0300: Multiple Cylinder Misfire Detected. Got a real pickle here.Truck has Miss fires,seam only at idle,more counts cold,and at time flash check engine light.Plugs, New gape checked,with wires,all done by customer trying to solve miss fire(A/C delco)Miss fires watching on scanner both banks,at random ... |
June 17, 2015 | |
| 2004 Chevrolet Silverado 3500 LT 8.1L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on P0300: Multiple Engine Misfire Detected. hello to all and thank you ahead of time for anyone that can give me some insight to what should be impossible. after performing the repairs on this truck, we did a compression test. my brother did all the original work before I got there to take over. cylinde... |
June 17, 2015 | |
| 2004 Lincoln Navigator 5.4L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 5LMFU27R14 P0300: random misfire. I am having problem finding the reason why bank one is rich and bank 2 is lean. i think that is my cause of the misfires. cruising fuel trim is b1 ltft -19 b2 ltft 30. all four o2 sensors are switching. any advise would greatly be appreciated. |
June 18, 2015 | |
| 2011 Ram 1500 Laramie 5.7L Poor Idle Quality VIN: 1D7RV1GT4B P0300: testing and results. Hello fellow techs. This dodge came to us as a no start.hard to start without pushing down accelerator pedal and once started misfires very bad until it is past 2500 rpm's then it will smooth out. Vaccum gauge fluctuates rapidly like broken valve springs until... |
June 21, 2015 | |
| 2000 Mercedes-Benz ML430 4.3L Misfire, MIL Lamp on VIN: 4JGAB72E9Y P0300: misfire damages TWC all faults pulled with autologic. Under normal driving there are no issues. But, if one depresses accelerator pedal to approximately 75% and by default engages the "full load" switch the passenger side fuel injectors will be shut off and vehicle will run very poorly/misfire. If one shu... |
June 22, 2015 | |
| 2006 Honda Pilot EX 3.5L Misfire VIN: 2HKYF18696 P0300: Random Misfire Detected. Hello techs and ty in advance, this odyssey has misfires on all 6 cylinders from cold thru hot (monitor misfires counts on all cylinders with scanner), cyl's 3,5,6 seem to outnumber other cylinders by 3X the amount. after 1 minute of running 1,2,4 seem to stop... |
June 24, 2015 | |
| 2001 Chevrolet Blazer LS 4.3L Misfire, erroneous missfire VIN: 1GNDT13W51 P0300: Multiple Cylinder Misfire Detected. ... the ringer. came in with a p0300 watched misfires and found tech 2 counting 3,6 missing customer had did his own spark plugs sprayed around with water and seemed to have started counting more. fuel trims and all other data were all in range and all other d... |
June 25, 2015 | |
| 2001 Chevrolet Blazer LS 4.3L Misfire, erroneous missfire VIN: 1GNDT13W51 P0300: Multiple Cylinder Misfire Detected. ... the ringer. came in with a p0300 watched misfires and found tech 2 counting 3,6 missing customer had did his own spark plugs sprayed around with water and seemed to have started counting more. fuel trims and all other data were all in range and all other d... |
June 26, 2015 |
