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P0300 Diagnostic Trouble Code Discussion for May 2012

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
1996 Oldsmobile Achieva SL 2.4L No Start VIN: 1G3NL52T4T
P0300: Multiple Cylinder Misfire Detected. ok have this achieva that was towed in wont start try to start and the car is bucking like the timing is advanced popping back through the air cleaner,checked a few basic things then moved on to a compression test,found cylinder 1&2 are normal at 100 psi 3...
May 01, 2012
2005 Dodge Neon SXT 2.0L Cuts out, Stall, Misfire VIN: 1B3ES56C55
P0300: Multiple Cylinder Misfire Detected. Hello fellow Tech's everywhere this is my moms car and this time it has 3 codes. Is it normal to have oil on the sensor? I assume it is because it has a seal on the sensor.I am unemployed right now and don't have access to a scanner to look at wave forms. Has ...
May 04, 2012
2000 Mitsubishi Galant ES 2.4L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 4A3AA46G5Y
P0300: Random Misfire Detected. 2000 Galant was towed in for poor idle and rpm would not raise above idle. I started vehicle and it started up OK. Road tested vehicle, and it was fine. CEL was illuminated, so I scanned it and it gave me a code of P0340 Camshaft Position Sensor Fault. I Repla...
May 04, 2012
2007 Chevrolet Tahoe LTZ 5.3L Misfire, MIL Lamp on, tick noise VIN: 1GNFK13027
P0300: Multiple Engine Misfire Detected. Tahoe came in with a complaint of tick noise and miss- wants a tune up an 100000 mile service, is missing on cylinder #6 with an lifter ticking noise, also has service stabilitrac and traction control lights on. Noticed bullitens on replaceing lifters and DOD ...
May 08, 2012
2006 Honda Pilot EX 3.5L Misfire VIN: 5FNYF28636
P0300: Random Misfire Detected. ... cylinders. P0301/P0302/P0303/P0304/P0305/P0306. We have adjusted the valves, sent the car to the dealer to have the latest software installed per TSB. The misfire is not like all the others I have read about on IATN, as they ...
May 09, 2012
2007 Hyundai Tucson SE 2.7L MIL Lamp on, bucks under accel VIN: KM8JN72D17
P0300: Multiple Misfire Detected. Hyundai techs-Ty J please help!This Tuscon was brought in for complaint of truck won't go over 20 mph-shaking & "stuttering" @ higher speeds along with CEL on.Initial test drive was hard to get up to 20mph but 20mph & up the whole truck bucks &...
May 09, 2012
2001 Saab 9-3 2.0L Poor Idle Quality VIN: YS3DD58H31
P0300: random missfire. another saab story- when first start in the morning, idle goes high like normal and 2 seconds later when it settles, car missfires, surges, in about 6-8 seconds the car settles in an problem goes away. replaced the cassete and plugs ( had autolite) to try and ...
May 11, 2012
2001 Saab 9-3 2.0L Poor Idle Quality VIN: YS3DD58H31
P0300: random missfire. another saab story- when first start in the morning, idle goes high like normal and 2 seconds later when it settles, car missfires, surges, in about 6-8 seconds the car settles in an problem goes away. replaced the cassete and plugs ( had autolite) to try and ...
May 14, 2012
1996 Buick Riviera 3.8L Poor Idle Quality, Misfire, MIL Lamp on, No power VIN: 1G4GD2212T
P0300: Engine Misfire Detected. The vehicle has little to no power. There are misfires recording on cylinders 2,4&6. 2&6 minimal misfires (200-400) with 4 being upwards of 10,000. New spark plugs, coils & module tested good with adequate spark, wires are good. Fuel pressure tests...
May 15, 2012
2001 Nissan Sentra GXE 1.8L Misfire VIN: 3N1CB51D51
P0300: Multiple Misfire Detected. This vehicle misfires under acceleration. It is a lean misfire, adding fuel will smooth it out. It will misfire in neutral if you floor it, bad enough that it will not go past about 3500 rpm. I have checked the mass air sensor and it appears to work as designe...
May 16, 2012
1997 Toyota Corolla 1.6L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 2T1BA02EXV
P0300: Multiple Cylinder Misfire Detected. ... not idle,when i got it the o2 sensor was unhooked,blowing black smoke out the tail pipe and it would not idle.we put spark plugs ,distribtor cap and rotor button,oil was full of gas so we changed oil.then it would idle but sill blowing black smoke out the ...
May 16, 2012
2001 Chevrolet Corvette Z06 5.7L Poor Idle Quality, Misfire VIN: 1G1YY12S81
P0300: Multiple Engine Misfire Detected. I hope someone can help me with this one. This Z06 came in with a light misfire at idle, datastream showing active misfires mainly on cylinder #4 and occasionally on #3. Found only 50 lbs. compression on #4. Pulled the right side head and could see where the g...
May 18, 2012
2008 Chevrolet Suburban 1500 LTZ 5.3L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3GNFK16318
P0300: multi cyl miss fire. We moved the coil, plug, and injector to other holes. That didn't move problem. gave back and customer came back same codes came back. Compression is 135psi on cylinder 8. Acts up at random. Acted up sitting still at fast food line and when he started driving ...
May 18, 2012
2000 Chevrolet Suburban 1500 LT 5.3L Excessive Emissions, Misfire VIN: 3GNFK16T6Y
P0300: Multiple Cylinder Misfire Detected. OK Gentlemen I need your help this month we had a lot of vehicles come in this month for troubleshooting problems, we fix all of them until this one came in. It failed smog at other shop for high emissions, and a check engine light on. The light also flashes ...
May 21, 2012
2002 Honda Passport EX 3.2L Excessive Emissions, Misfire, MIL Lamp on VIN: 4S6CK58W92
P0300: Random Misfire Detected. This ones got me,when warm in closed loop above 2000 rpm cel comes a flashing and bank one shuts down.O2 readings bank 1 sensor 1 over 930 mv,fuel trims at -25% to -35% TOO RICH.I have read all the fixes in the archives and have checked o2s too make sure there...
May 22, 2012
2007 Audi A3 2.0L Misfire VIN: WAUHF78PX7
P0300: Multiple Cylinder Misfire. ... Came in initially with slight noisy, mechanical fuel pump and bad running with about 130K on Odometer. Cam follower had hole punched thru. We replaced the Hi Press Pump and Follower and changed oil.Cam lobe a little scuffed not wiped out at all. Had worn p...
May 23, 2012
2007 Chevrolet Cobalt LS 2.2L Misfire, MIL Lamp on VIN: 1G1AK55F77
P0300: Multiple Engine Misfire Detected. Car has a p0300 code, and a p0302, it shows missfires on #2 at idle quite often, but you really can feel the missfire. We moved the plug, injector and code from # 2 to # 4 and the missfire stays on #2, the compression on #2 is about 10% less than the others. I...
May 23, 2012
2004 Honda Civic GX 1.7L Misfire VIN: 1HGEN26524
P0300: Random Misfire Detected. To all Techs, This Honda is equipped with a CNG fuel system. We replaced all new spark plugs and ignition coils. Engine experience misfire every once in a while especially under load. During misfire condition, fuel injection pulse and ignition coil trigger was...
May 23, 2012
2004 Dodge Durango SLT 4.7L Misfire VIN: 1D4HB48N04
P0300: Multiple Misfire Detected. misfire underload on cly. 2,4,6,8 check intake gasket clean fuel injectors new plugs also check for headgasket problem. don't know where to go now
May 24, 2012
2005 Mazda RX-8 1.3L No Start, Hesitation, Misfire VIN: JM1FE17N75
P0300: Random Misfire Detected. ... give me a problem im not familiar whit those cars, some other shop told the customer that the engine in bad; but when i did that clear flood procedure start good & ran i dont hear nothig in the engine but the catalystic converter get red red hot like i...
May 28, 2012
2005 Nissan Altima SE-R 3.5L Misfire, MIL Lamp on VIN: 1N4BL11E45
P0300: Multiple Misfire Detected. ... that keeps burning coils (blistered). I have replaced 3 coils and neg. battery cable as per the tsb. The car ran fine for a day and customer brought back with same problem. Mil on and blinking with p0300 misfire code. I found another coil burnt but i check...
May 28, 2012
2001 Nissan Altima GXE 2.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1N4DL01DX1
P0300: Multiple Misfire Detected. Car came in with an erratic idle condition. It would idle about 1000 rpm, slowly decrease to about 400 rpm, idle a little rough, then increase back to 1000 rpm. but it didn't stall. P0304 (#4 misfire) was pending but not current. After replacing intake gaskets...
May 29, 2012
2007 Chrysler Sebring Touring 2.4L Stall VIN: 1C3LC56K97
P0300: Multiple Cylinder Misfire. This car stalls imediately upon start up. If you play with gas pedal, the engine will run fine & even seems to run & rev up real good. I removed and actuated manually with power probe the 2 camshaft solenoids b1 & b2. They both moved freely. P0017 ...
May 30, 2012
2001 Nissan Altima GXE 2.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1N4DL01DX1
P0300: Multiple Misfire Detected. Car came in with an erratic idle condition. It would idle about 1000 rpm, slowly decrease to about 400 rpm, idle a little rough, then increase back to 1000 rpm. but it didn't stall. P0304 (#4 misfire) was pending but not current. After replacing intake gaskets...
May 30, 2012
1999 Jeep Cherokee Sport 4.0L Misfire, cracked plugs VIN: 1J4FF68S7X
P0300: Multiple Cylinder Misfire Detected. we are having a problem with this jeep cracking cyl 3 spark plug. NO CARBON, we have done numerous induction cleanings in the past, thinking it was carbon. I'm stumped. The plug appears fine in color, very light brown, and the deep casing on the plug is closer...
May 31, 2012
2005 Nissan Altima SE-R 3.5L Misfire, MIL Lamp on VIN: 1N4BL11E45
P0300: Multiple Misfire Detected. ... that keeps burning coils (blistered). I have replaced 3 coils and neg. battery cable as per the tsb. The car ran fine for a day and customer brought back with same problem. Mil on and blinking with p0300 misfire code. I found another coil burnt but i check...
May 31, 2012
2002 Saturn L200 2.2L Hesitation, 1st gear sluggish VIN: 1G8JT54F52
P0300: Random Misfire Detected. ... into the shop for a no-start issue and we found that the fuel pump needed to be replaced so the fuel pump was installed and the vehicle started up just fine; however, after initially road testing the vehicle the technician noted that the vehicle felt slugg...
May 31, 2012