P0300 Diagnostic Trouble Code Discussion for September 2012
Multiple Misfire Detected
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| Help Request | Posted | |
| 2004 Volvo S40 1.9L Misfire, MIL Lamp on VIN: N0TAVE1LAB P0300: 1000 misfire emision. Hi fellows: I have a problem with this well taken care volvo. has a misfire under load in cylinder #3.Fuel pressure is good. I swap injectors #1 and #3 with no difference. Replace coil #3 with a beru coil , 4 spark plugs ( nkg iridium), the wires (volvo) with ... |
September 03, 2012 | |
| 2002 Chevrolet S10 4.3L Misfire VIN: 1GCDT19W62 P0300: Multiple Engine Misfire Detected. We bought this truck for cheap at a local sale cause the crank was bad in it. I installed a crank and all was good but we have a misfire on cylinders 1 and 4. Not sure if the misfires were there before or not, but I'm thinking not. The new crank did not come w... |
September 05, 2012 | |
| 1996 Dodge Stratus ES 2.5L MIL Lamp on VIN: 1B3EJ56H8T P0300: Multiple Cylinder Misfire Detected. I'm trying to get this car to pass ca. smog test. after repl. computor and before programing I got reid of po300. After programing code came back. The real problem I'm haveing is I cant get egr;catalas;evap monitors to run.I have driven this car over [...]. I ... |
September 06, 2012 | |
| 2004 Dodge Ram 1500 ST 4.7L Misfire, MIL Lamp on VIN: 1D7HA18N24 P0300: Random misfire. ... a bad injector on #6 & 306 went away. However other problem is that at approx 4400rpm while driving, & heavy accel, the truck starts losing power(like the fuel cut-out is kicking in)The check eng light starts flashing when this happens & sets P... |
September 07, 2012 | |
| 1997 Chevrolet Blazer 4.3L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GNDT13W8V P0300: Multiple Cylinder Misfire Detected. 1997 chevy blazer P0300 missfire counter reads miss on 5 and 4 real bad barley runs replaced cap rotor plugs wires checked compression and fuel pressure customer said it ran fine and thought she bought some bad gas replace fuel filter and drained tank filled w... |
September 10, 2012 | |
| 2004 Dodge Ram 1500 ST 4.7L Misfire, MIL Lamp on VIN: 1D7HA18N24 P0300: Random misfire. ... a bad injector on #6 & 306 went away. However other problem is that at approx 4400rpm while driving, & heavy accel, the truck starts losing power(like the fuel cut-out is kicking in)The check eng light starts flashing when this happens & sets P... |
September 10, 2012 | |
| 2002 GMC Sonoma SLS 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GTDT13W12 P0300: Multiple Engine Misfire Detected. misfires only on left bank, no misfires on right happes through rpm range only has one cat for vehicle, short term fuel trim +35 lg term -8 injector pulse width running for right bank4.7 for left bank 8.9 at idle. Why the difference and why oly one bank misfir... |
September 10, 2012 | |
| 2004 Mazda 6 S 3.0L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1YVHP80D84 P0300: Random Misfire Detected. Vehicle came in with s.e.s. Light on and flashing. Before i road test, oil was all over engine, check oil dipstick, no oil regestering. Add 4 quarts of oil, customer said oil cap was left off after oil change was done at a quick place. Started engine and heard... |
September 10, 2012 | |
| 2008 Mercedes-Benz S63 AMG 6.3L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: WDDNG77X38 P0300: multiple random misfire. This car was ran without oil because the oil cooler hose was out of place and the radiator fan wore a hole in it. All 9.5 qts of synthetic oil sprayed out before customer knew what happened. Car was driven until it shut off. The customer said he restarted it b... |
September 10, 2012 | |
| 2003 Chrysler PT Cruiser GT 2.4L Stall, Misfire, MIL Lamp on VIN: 3C8FY78G73 P0300: Multiple Cylinder Misfire Detected. ... with just a P0121 this time. Customer stated that she tried to start the car and it ran rough and died, and emitted a lot of blue smoke at the same time. After several attempts, she got it started and it ran rough, and wanted to die at stops. She got it he... |
September 11, 2012 | |
| 1999 Dodge Ram 2500 Van 5.9L Stall, MIL Lamp on VIN: 2B7JB21Z7X P0300: Multiple Cylinder Misfire Detected. Keeps setting multiple codes. Sets different codes every time you test drive. Have switched relays checked for loss of fuel pressure. When it starts surging pressure will drop.ground relay and it will pick up replace pcm,crank and dist pick up. Whae it acts up... |
September 11, 2012 | |
| 2004 Isuzu Axiom S 3.5L Cuts out VIN: 4S2DF58YX4 P0300: Multiple Cylinder Misfire Detected. ... drove. Vehicle lacked power and felt stuffed. Checked back pressure, found it high on bank 2. Cut cat off, put test pipe in place for diagnosing and test drove. Vehicle now had power but would intermittantly cut out, almost like electronic throttle control... |
September 11, 2012 | |
| 1999 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1J4G258S3X P0300: Multiple Cylinder Misfire Detected. my personal vehicle. charging system starting acting up, first generator than control module. ECM not completing circuit for alternator field, and not controling inj # 1 and 2 drivers. my question is this, if i buy a used ECM can i re - write my vin on that EC... |
September 11, 2012 | |
| 1999 Buick Regal LS 3.8L No Start VIN: 2G4WB52K3X P0300: Engine Misfire Detected. Vehicle towed-in. Cust states car was driven hot, and had coolant added shortly before it died. Injectors on solid... The intake manifold is warped by the Throttle body so that will get replaced, but the no-start is a result of the injectors being held open co... |
September 12, 2012 | |
| 1996 Chrysler LHS 3.5L Misfire, MIL Lamp on VIN: 2C3HC56F3T P0300: Multiple Cylinder Misfire Detected. Car came in with P0300 found intake vacum leak,replaced gaskets miss gone and running good. Released to customer came back after 600 miles with same code, ST fuel trims running at plus, minus 2% LT trem left bank plus minus 2% RB at minus 21. Found bank1 senso... |
September 13, 2012 | |
| 2001 GMC Jimmy SLS 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKCT18W61 P0300: Multiple Cylinder Misfire Detected. guy who owns tha property here bought this car for his daughter. car comes in exhaust leak, bad ball joints, engine light non operational, only 2 monitors set and already had a random misfire code. told him its a lemon take it bac he says he cnt so he does the... |
September 13, 2012 | |
| 2005 Chevrolet Cobalt SS 2.0L Misfire, super charger blowby VIN: 1G1AP14P85 P0300: Multiple Engine Misfire Detected. hello fellow tech i have this 05 chevy cobalt with a super charger and this is the conncern: what happens is when my customer punches the throttle to the floor the super charger boosts the system to muuch and cause excessive crank case pressure pushing the dip... |
September 19, 2012 | |
| 2006 GMC Yukon XL 1500 SLT 5.3L Misfire VIN: 3GKFK16Z06 P0300: Multiple Cylinder Misfire Detected. This truck has a misfire on no.1 and 8 cyls.. It misses on No. 1 all the time and No. 8 most of the time. This truck has no apparent vacuum leak with carb spray or smoke machine. Misfire starts right after truck is running and does not change with rpm or load.... |
September 19, 2012 | |
| 1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19RXW P0300: Multiple Cylinder Misfire Detected. On arrival there was a cam/crank correlation code. The cam retard was reset to 0 degrees. The vehicle will shake under strong acceleration at higher speeds. Example, on the freeway at 55mph kick down to the next gear and accelerate, soon the MIL starts flashin... |
September 20, 2012 | |
| 2006 Chevrolet Silverado 1500 HD LT 6.0L No Start, Stall VIN: 1GCGC13U86 P0300: Multiple Cylinder Misfire Detected. ... it started to mis then died while driving. I found the Maf and Mis code, checked fuel pressure 55psi, spark is good, injectors have pulse. Fuel volume is good, filled a gallon jug halfway in just a few seconds. I got it to run with some throttle cleaner, a... |
September 20, 2012 | |
| 2006 Chevrolet Express 3500 LT 6.0L Hesitation VIN: 1GCHG39U16 P0300: Multiple Cylinder Misfire Detected. When van is hot misfire stumble once in a while plugs ok decarbonized system,anything common ...also did a crank relearn |
September 20, 2012 | |
| 2004 Nissan Titan XE 5.6L No Start VIN: 1N6AA07A14 P0300: testing and results. i need nissan help on this one,titan came in from other shop that put a fuel pump in it.truck still would not start so here i am,i have no injector pulse,or ignition spark.i have checked the most common like swapping relays in ipdm,i even installed ipdm from a... |
September 20, 2012 | |
| 2005 GMC Safari 4.3L Misfire, MIL Lamp on VIN: 1GKDM19X65 P0300: Multiple Cylinder Misfire Detected. I have an 05 Astro. Just installed a new jasper 4.3 and an install kit. Engine ran fine just the thrust bearings were bad. I now show misfires on #1 and #4 cylinders but only @ 2000-3000 rpm free reving or light or heavy load. The vehicle does not feel or appe... |
September 21, 2012 | |
| 2002 Chevrolet S10 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCCS19W82 P0300: Multiple Engine Misfire Detected. ... misfires, has a p0300 code. Watching misfire data shows cylinder 1 and 2 misfire. Cel will flash at times. Pulled plugs and the are new ac delco, and are black truck does smell like its running rich. Swaped cylinder 1 and 2 plugs with 3 and 4 with no diffe... |
September 22, 2012 | |
| 2005 GMC Safari 4.3L Misfire, MIL Lamp on VIN: 1GKDM19X65 P0300: Multiple Cylinder Misfire Detected. I have an 05 Astro. Just installed a new jasper 4.3 and an install kit. Engine ran fine just the thrust bearings were bad. I now show misfires on #1 and #4 cylinders but only @ 2000-3000 rpm free reving or light or heavy load. The vehicle does not feel or appe... |
September 24, 2012 | |
| 2004 Dodge Ram 1500 ST 5.7L Poor Idle Quality, Stall, Misfire VIN: 1D7HU18D24 P0300: Multiple misfires. ... number one bank dead at idle-1,3,5,7 and firing just off idle. With only the P0300 dtc. LT fuel trim for that bank up ten percent with short term normal both banks. Performed battery disconect and ran fine during test drive. Stalled out after stopping and ... |
September 25, 2012 | |
| 2009 Chevrolet Malibu LT 3.6L Misfire, MIL Lamp on VIN: 1G1ZJ57799 P0300: Misfire detected. Vehicle towed in. Would not start. Pulled codes Po300 and Po353. Removed front O2 sensor and got to run. Cleared codes and they came back. Swapped coil and plug from cylinder 3 no change. Scoped ignition control circuit at pcm have a nice square wave still no ... |
September 26, 2012 | |
| 2004 Jaguar X-Type 3.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: SAJEA51C34 at 3000 rpm car acts like rev limiter kicking in. looked for vac leaks and checked fuel presure.Don't see any thing on scanner. |
September 26, 2012 | |
| 2000 Chevrolet Cavalier 2.2L Surge, Cuts out, Misfire, MIL Lamp on VIN: 1G1JC124XY P0300: Multiple Engine Misfire Detected. Car misfires on cylinders 2 and 3 just off idle up to around 1200 rpm.Will only do it in drive,not reverse,park or neutral.The PCM controls both ignition coils.When I scope the control wire for #2 and #3 coil the signal has a major glitch in it.The scope patte... |
September 27, 2012 | |
| 2005 Ford F-350 Super Duty XL 6.8L No Start, Stall, Misfire VIN: 1FDSF35Y35 P0300: Random Misfire Detected. This problem is very intermittent. Customer will be driving at 55 mph and will stall. Sometime after a hot soak it will fail to start. We found water intrusion into fuse box inside vehicle had windshield resealed and problem reoccurs. Mode six date shows a mis... |
September 27, 2012 | |
| 2004 Jaguar X-Type 3.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: SAJEA51C34 at 3000 rpm car acts like rev limiter kicking in. looked for vac leaks and checked fuel presure.Don't see any thing on scanner. |
September 27, 2012 | |
| 2003 Buick Century Custom 3.1L Misfire VIN: 2G4WS52J63 P0300: Engine Misfire Detected. Some much for easy. Car came in for rough idle. Found #3 cylinder misfire counts rising quickly. Scope tested ignition system and could see #3 pattern was different. Look lean. Scoped injectors and all patterns looked the same. Flow tested injectors and all ga... |
September 28, 2012 | |
| 2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5GTDN13636 P0300: Engine Misfire Detected. I am having trouble finding a definitive answer to why this vehicle has a misfire on cyl #2 at an idle. The code I have is for a random misfire but watching it on the modis shows cyl #2 missing all the time at an idle. I swapped the ignition coils, swapped the... |
September 28, 2012 | |
| 2002 Jaguar XKR 4.0L Misfire, MIL Lamp on VIN: SAJDA42B62 P0300: Random misfire. ... for state inspection. Found 4 not not ready codes(cat,egr,evap,o2).Mil turned on after about 50 miles P0455. Smoke tested system and found bad purge solenoid. Replaced solenoid took for test drive. after about 20 miles Codes P0171, p0174 came up. After che... |
September 28, 2012 | |
| 2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5GTDN13636 P0300: Engine Misfire Detected. I am having trouble finding a definitive answer to why this vehicle has a misfire on cyl #2 at an idle. The code I have is for a random misfire but watching it on the modis shows cyl #2 missing all the time at an idle. I swapped the ignition coils, swapped the... |
September 29, 2012 | |
| 2007 Kia Rondo LX 2.7L Misfire VIN: KNAFG52697 P0300: Multiple cyl. Misfire. Thanks in advance for any help on this issue.At idle vehicle will start to misfire after running about 3 minutes with check engine light flashing,but on misfire monitor shows misfire on number 2 counting off 0 on all others,changed coils,plugs,clear codes misf... |
September 29, 2012 | |
| 2007 Kia Rondo LX 2.7L Misfire VIN: KNAFG52697 P0300: Multiple cyl. Misfire. Thanks in advance for any help on this issue.At idle vehicle will start to misfire after running about 3 minutes with check engine light flashing,but on misfire monitor shows misfire on number 2 counting off 0 on all others,changed coils,plugs,clear codes misf... |
September 30, 2012 |
