P0300 Diagnostic Trouble Code Discussion for March 2014
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 | |
| 2003 Honda Element EX 2.4L Misfire VIN: 5J6YH28513 P0300: Random Misfire Detected. Have this Element that is misfiring at idle. It runs great off idle. It is setting misfire codes for all of the cylinders. Have seen this before with tight exhaust valves, and they indeed were tight. Adjusted all of the intake and exhaust valves to the loose s... |
March 03, 2014 | |
| 2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25 P0300: Multiple cyl. Misfire. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che... |
March 04, 2014 | |
| 2009 Volkswagen GTI 2.0L Misfire, MIL Lamp on P0300: Random misfire. ... fix oil leak. A week later, car came back with code P0302 & P2304. Changed 4 VW spark plugs and one VW coil. A day later, customer came back with a bunch of ignition codes (300, [...], 2304). The strange thing is when clear MIL and drive first cycle, t... |
March 04, 2014 | |
| 2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25 P0300: Multiple cyl. Misfire. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che... |
March 05, 2014 | |
| 2010 Dodge Grand Caravan SE 3.3L MIL Lamp on, Runs Poorly VIN: 2D4RN4DEXA P0300: Random Misfire. ... hopefully replying to it. The mileage you saw is correct.280,000 This is a taxi. Originally came in with misfire code P0304, found plugs worn to the porcelain. Replaced plugs with OEM #'s and also replaced coil and wires. Ran fine after. Returned a week la... |
March 10, 2014 | |
| 2000 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FF48SXY P0300: Multiple Cylinder Misfire Detected. ... body damage. We replaced the bent and broken body parts, then started to drive to the paint shop when it died. We pulled over let it cool down and it started up, went down the road a short distance when it died again. We let it cool down again it started u... |
March 10, 2014 | |
| 2006 Mazda Tribute S 3.0L Misfire VIN: 4F2YZ04126 P0300: Multiple Misfire Detected. The customer has replaced two coils and one computer, aftermarket reman, because number two cylinder coil keeps burning up. We replaced all three coils with Motorcraft on the rear bank and all six plugs. About one minute into starting it the smoke came out o... |
March 10, 2014 | |
| 2004 Nissan 350Z Touring 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN1AZ36AX4 P0300: Multiple Misfire Detected. Customer originally brought the car to me after being shipped from Florida to Arizona. The car would not start, after some digging I found the ground cable on the passenger side body, under the steering reservoir was not attached. I secured the ground and the ... |
March 11, 2014 | |
| 2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on, Reduced power VIN: 5GTDN13606 P0300: Engine Misfire Detected. ... stated when he tried to drive it to us it was running bad and will not go over 40 mph. when i started it it was running good drove and accelerated good pulled codes mil codes P0030,P0036,P2101. current codes P0135,P0141. fail... |
March 13, 2014 | |
| 2005 Chevrolet Silverado 1500 4.8L Misfire VIN: 1GCEK14UX5 P0300: Multiple Cylinder Misfire Detected. ... and can tell me where to look or can give me a few ideas. truck came in with a check engine lite on and a code p0300 stored. pulled up miss fire data and saw that number 2 was missing a lot. pulled plug and swapped with number 4 ...no change. swapped wire ... |
March 17, 2014 | |
| 2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on, Reduced power VIN: 5GTDN13606 P0300: Engine Misfire Detected. ... stated when he tried to drive it to us it was running bad and will not go over 40 mph. when i started it it was running good drove and accelerated good pulled codes mil codes P0030,P0036,P2101. current codes P0135,P0141. fail... |
March 18, 2014 | |
| 1996 Toyota Corolla 1.6L Hesitation, no power in gear VIN: 2T1BA01E2T P0300: Multiple Cylinder Misfire Detected. car has no power if you put it in gear to go up the road.just bogs if you stop put in park it seems to rev up fine. some times it will run real bad and will set missfire codes for all cylinders.other times no codes will set at all. ohm test ign coil,and crank ... |
March 20, 2014 | |
| 1996 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Hesitation, Misfire VIN: 1GNEK13R7T P0300: Multiple Cylinder Misfire Detected. ... of rough running. yes, mileage is accurate at over 380,000 miles. original long block as well. well maintained truck. p0300 set; checked misfire counter; shows dead miss at idle and under load on cyliders 3 and 5. pulled plugs on bank 1; plugs for 3 and 5... |
March 24, 2014 | |
| 2004 Dodge Stratus R/T 3.0L MIL Lamp on VIN: 4B3AG52H14 P0300: Multiple Cylinder Misfire Detected. car came in for state inspection fail for mil light po300 random misfire replace cap rotor wires and plugs reset computer car had original parts started car ran for a second timing belt was making noise and light came back on I want put timing belt on but want... |
March 26, 2014 | |
| 2005 Mercedes-Benz E55 AMG 5.5L Cuts out VIN: WDBUH76J35 P0300: Multiple misfire at all cylinders. This car is really getting under my skin. We have a 2005 Mercedes E55 AMG wagon that holds back (lean misfire) on acceleration starting at about 1800 rpm. Now, before you guys start telling me to replace the Air Mass Sensor, it is an AMG and it doesn't have on... |
March 26, 2014 | |
| 2009 Chrysler 300 Touring 3.5L Misfire, MIL Lamp on VIN: 2C3LA53V29 P0300: Random Misfire. This vehicle occasionally will set a P0300 (since timing belt install). Plenty of power, idle is a little rough. There are no marks on the harmonic balancer (timing marks or otherwise) and no keyway, or key. (unless I'm blind) If I am, please tell me, and I'll... |
March 27, 2014 | |
| 2001 Toyota Camry CE 2.2L Poor Idle Quality VIN: 4T1BG22K01 P0300: Multiple Cylinder Misfire Detected. Vehicle had check engine light on. Customer came in for oil pump service. Replace oil pump, water pump, timing kit, crank and came seal, and valve cover gasket. After installing everything back on. The vehicle starts right up normal until it idle for a couple ... |
March 29, 2014 | |
| 2003 Volkswagen Jetta GLX 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 3VWTH69M13 P0300: Random misfire. Came in running rough all the time, had a bad coil on cylinder 5. Also mad misfire codes for 2 and 6, but could confirm. Replaced all the plugs and 2,5,6 coils. Now it runs good down the road, but has a very rough idle in park and in gear. Maf is reading betwe... |
March 31, 2014 |
