P0300 Diagnostic Trouble Code Discussion for August 2011
Multiple Misfire Detected
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| Help Request | Posted | |
| 2005 Cadillac CTS 3.6L Misfire VIN: 1G6DP56745 P0300: Engine Misfire Detected. I need to remove or reposition intake manifold to get to the spark plugs & coils. Alldata states not to separate the upper from the lower manifold. My concern is am i going to separate the manifolds by removing the six bolts from the top manifold. I guess ... |
August 02, 2011 | |
| 2006 Kia Sedona EX 3.8L Surge, Misfire, MIL Lamp on VIN: KNDMB233X6 P0300: Multiple Misfire Detected. ... parts place pulled codes P0300, P0301, P0303, P0011, P0012. Another shop had just replaced variable valve oil control solenoid valves for these a couple days earlier and a 100 miles away.... |
August 02, 2011 | |
| 2005 Lexus GX470 4.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTJBT20X85 P0300: Multiple Cylinder Misfire Detected. The vehicle ran great for 150 plus miles before it came in with the missfire problems it has now. I smoke tested the intake system and found no vacuum leaks. I replaced all the spark plugs and swapped in a new coil, still has miss fire. I have injector pulse. ... |
August 02, 2011 | |
| 2000 Chevrolet Blazer LS 4.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNCT18W8Y P0300: Multiple Cylinder Misfire Detected. Good evening, we have a 2000 s10 blazer here this has a 4.3 spider web injection system. On cold starts the truck runs poorly, backfires has no exceleration until warmed fuel pressure is 65psi all the time, fuel trims at 3to-1 short turm and long term. O2 sens... |
August 03, 2011 | |
| 2009 Chevrolet Trailblazer LT 4.2L Misfire, MIL Lamp on VIN: 1GNDT33S69 P0300: Random misfire. vehicle presents with MIL illuminated, P0300 stored in ECM.Check misfire monitor, cylinder #3 is racking up misfires in history. swapped coil with cyl. 2, misfire did not move with coil. Swapped spark plug with cylinder #2, misfire still present on cylinder #3... |
August 03, 2011 | |
| 2000 Chevrolet Blazer LS 4.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNCT18W8Y P0300: Multiple Cylinder Misfire Detected. Good evening, we have a 2000 s10 blazer here this has a 4.3 spider web injection system. On cold starts the truck runs poorly, backfires has no exceleration until warmed fuel pressure is 65psi all the time, fuel trims at 3to-1 short turm and long term. O2 sens... |
August 05, 2011 | |
| 2005 Nissan Xterra SE 4.0L Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 5N1ANO8U15 P0300: Multiple Misfire Detected. ok this truck came in running rough,setting a miss fire code,and codes for bank1 and bank2 catconvertors failure.Well the tec said that he noticed the miss fire on banks ,1,3,5.he checked for fuel pressure and it read 50psi at idle,the mass air flow read 7.6 g... |
August 06, 2011 | |
| 1999 Chevrolet Tracker 1.6L Poor Idle Quality, Stall, Misfire, MIL Lamp on, Runs Rough VIN: 2CNBJ186XX P0300: Multiple Cylinder Missfire. ... engine light starts flashing almost immediately with code P0300- multiple cylinder misfire. Engine seems unable to burn fuel completely, because spark plugs gas foul and has a rich exhaust smell. Went 'round and 'round top of engine looking for something l... |
August 07, 2011 | |
| 2005 Nissan Xterra SE 4.0L Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 5N1ANO8U15 P0300: Multiple Misfire Detected. ok this truck came in running rough,setting a miss fire code,and codes for bank1 and bank2 catconvertors failure.Well the tec said that he noticed the miss fire on banks ,1,3,5.he checked for fuel pressure and it read 50psi at idle,the mass air flow read 7.6 g... |
August 07, 2011 | |
| 2003 Cadillac DeVille 4.6L Misfire VIN: 1G6KD54Y03 P0300: Engine Misfire Detected. We installed the boot and the car is missing badly. The scanner says code PO300 but under miss fire data it shows #5&6 cylinders missing but no code for them. I did a compression test on #6 and it shows 173psi and has injector pulse and did a fuel pressure... |
August 08, 2011 | |
| 2001 Mitsubishi Eclipse GT 3.0L Misfire VIN: 4A3AC54H91 P0300: Random Misfire Detected. ... stuck lean, goes to open loop and sets P0300 with in minutes, can notice slight misfire. all simultaneously. introduce gas via throttle tube hose and misfire goes away. |
August 08, 2011 | |
| 2003 Jaguar X-Type 2.5L Hesitation VIN: SAJEA51D43 P0300: Random Misfire Detected. When driving "Cruise unavailable" warning comes on and vehicle loses acceleration. Then it will come back and vehicle will buck and jerk. Have checked the codes, re-set. Checked for intake leaks, none. Replaced fuel, etc... Have checked connections and... |
August 10, 2011 | |
| 1999 Mercedes-Benz E320 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDBJF65H5X Hey guys, got a tough one here. The vehicle is a W210 1999 M-B E320. Car has approx. 150k miles on it. Cats were replaced as typical approx 2 years ago with new O2s. Last month the owner complained that vehicle stalled on her. Since the M112 CKP is notoriousl... |
August 11, 2011 | |
| 2006 Nissan Sentra SE-R Spec V 2.5L Surge VIN: 3N1AB51D86 P0300: Multiple Misfire Detected. ... and his friends tried to troubleshoot the surge and they tried upluged every sensor to see what was going on, they couldn't figure it out so they brought it to the shop and told one of my techs. So this is what we did so far- Had mutiple codes (from them u... |
August 12, 2011 | |
| 1999 Land Rover Range Rover 4.0L Misfire, MIL Lamp on VIN: SALPA1247X P0300: Random misfire. First time customer came in stating check engine light and run rough. Scan for code and foung the listed codes in system. Engine have misfire while idling. Inspect spark plug wires and found arcing on spark plug. Can't seem to figure out which cylinder is miss... |
August 16, 2011 | |
| 2000 Dodge Dakota 4.7L Hesitation, Misfire, MIL Lamp on VIN: 1B7GG2AN8Y P0300: Multiple Cylinder Misfire Detected. Truck came to me with intermitent missfire. Plugs were original so i replaced them and they looked ok for the mileage. Replaced noisy tps with chrysler replacement after reading other posts. The truck actually seems to run worse and sets po206 and p0205 almost... |
August 18, 2011 | |
| 2004 GMC Sierra 1500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GTEK19V64 P0300: Multiple Cylinder Misfire Detected. This vehicle is back again with a leaking #3 injector on hot soak. There is no problem with the passenger side injectors. Why does #3 injector keep getting affected? The #3 injector is closest to the fuel line that comes from the fuel tank. Is dirt coming from... |
August 18, 2011 | |
| 1999 Mercury Mountaineer 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 0824109487 P0300: random multiple misfire. Thanks for the help in advance. A buddy of mine just put a used engine in this vehicle, he has never heard it run before the engine swap. Runs rough, has 0171 and 0174 codes for lean condition. cleaned maf with no change. he tried two other maf sensors and no ... |
August 18, 2011 | |
| 2001 Toyota Corolla LE 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2J1BR12E01 P0300: Multiple Cylinder Misfire Detected. Car came in with severe misfire on cyl 3 with above codes.Customer states light has been on about 2 weeks and misfire has gotten progressively worse. She has owned it since May of this year. Pull COP, pull plug, semi oily deposit bridging center electrode to g... |
August 18, 2011 | |
| 2008 Ford F-450 Super Duty XL 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXX47Y8E ... wil set check engine light on. Black smoke sometimes and no power. Code p0171,p0300,p3316 keeps coming back. |
August 19, 2011 | |
| 2001 Toyota Corolla LE 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2J1BR12E01 P0300: Multiple Cylinder Misfire Detected. Car came in with severe misfire on cyl 3 with above codes.Customer states light has been on about 2 weeks and misfire has gotten progressively worse. She has owned it since May of this year. Pull COP, pull plug, semi oily deposit bridging center electrode to g... |
August 20, 2011 | |
| 2008 Ford F-450 Super Duty XL 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXX47Y8E ... wil set check engine light on. Black smoke sometimes and no power. Code p0171,p0300,p3316 keeps coming back. |
August 22, 2011 | |
| 2008 Ford F-250 Super Duty FX4 5.4L Misfire VIN: 1FTSX21508 P0300: Random misfire. ... sure where to go with this vehicle. flow chart not much help. I have a code P0012 Intake Camshaft Position Timing. I kind of want to change the VCT solenoid on the right side but not sure that will fix the problem. I can also hear some ticking noise in the... |
August 23, 2011 | |
| 2006 Chevrolet Express 3500 4.8L Misfire VIN: 1GCHG39V96 P0300: Multiple Cylinder Misfire Detected. Hello and thank you for your time and help. This van runs okay cold and hot. Once it has been hot for maybe 20 minutes of continous running it will start missing either driving or idling. No. 1 cylinder is most noteable. Swapped coils, plugs, and a plug wire. ... |
August 24, 2011 | |
| 2001 Toyota Corolla CE 1.8L Excessive Emissions, Cuts out VIN: 1NXBR12E41 P0300: Multiple Cylinder Misfire Detected. Vehicle hesitates at low rpm's/speeds but does not missfire. Initial scan had multiple missfire codes, O2 lean codes. Found coil mounting screws for cyl,s 1&2 stripped and coils popping up and not making good contact with plugs. Repaired threads for coil m... |
August 24, 2011 | |
| 2001 Dodge Dakota 3.9L Poor Idle Quality, Misfire VIN: 1B7GL22X01 P0300: Multiple Cylinder Misfire Detected. Well, I'm hoping for some good advice here. I'm working on a 2001 dodge dakota 3.9 with a customer complaint of "intermittent no power" and "rough idle". I took the vehicle for a ride and felt the concern. I scanned the vehicle and found no his... |
August 25, 2011 | |
| 1999 Pontiac Grand Am SE 3.4L Misfire, MIL Lamp on VIN: 1G2NE52E3X P0300: Multiple Cylinder Misfire Detected. Hope we can get some help. I'm helping a friend at his garage. this gran am is giving us fits. shows mis fire on # 4 cylinder only, will not show a code for#4 just po300. what has been done so far, compression 150, replace spark plug and wire, swapped injector... |
August 25, 2011 | |
| 2006 Chevrolet Malibu LS 2.2L Misfire, MIL Lamp on VIN: 1G1Z53FX6F P0300: Multiple Engine Misfire Detected. ... complaint of missing. SES light was on. Pulled the codes and found a P0300, Randome cyl misfire. Looked at the misfire counters and found Cyl 1&4 to have a bunch. None on the 2&3. Pulled plugs to inspect for carbon tracks and look at wear. Swapped ... |
August 26, 2011 | |
| 2001 Toyota Corolla CE 1.8L Excessive Emissions, Cuts out VIN: 1NXBR12E41 P0300: Multiple Cylinder Misfire Detected. Vehicle hesitates at low rpm's/speeds but does not missfire. Initial scan had multiple missfire codes, O2 lean codes. Found coil mounting screws for cyl,s 1&2 stripped and coils popping up and not making good contact with plugs. Repaired threads for coil m... |
August 26, 2011 | |
| 2003 Saturn Vue 2.2L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 5GZCZ23D53 P0300: Random Misfire Detected. ... have a 2003 Saturn Vue 2.2 ECO motor that was towed in for a no start. Initially I found that the key was worn out to the point of no return It would not engage any of the lock cylinders. So we had the customer cut a fresh key from the VIN. Vehicle would... |
August 27, 2011 | |
| 2002 Chevrolet Impala LS 3.8L Misfire VIN: 1G1WH55K22 P0300: Multiple Cylinder Misfire Detected. ... code P0300 and has 210,000 miles on it. The misfire data shows cyl#4 is the cause on the P0300 misfire code. Naturally the spark plugs and ignition wire were in need of replacing. We started with a tune-up replacing the spark plugs, ignition wires, PCV, fu... |
August 28, 2011 | |
| 2003 Saturn Vue 2.2L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 5GZCZ23D53 P0300: Random Misfire Detected. ... have a 2003 Saturn Vue 2.2 ECO motor that was towed in for a no start. Initially I found that the key was worn out to the point of no return It would not engage any of the lock cylinders. So we had the customer cut a fresh key from the VIN. Vehicle would... |
August 28, 2011 | |
| 1996 Chevrolet Camaro 3.8L Eats ignition coil's VIN: 2G1FP22K8T P0300: Multiple Engine Misfire Detected. ... this. This V6(3.8) Camaro is eating ignition coils for no apparent reason. It came into our shop with a P0300 and p0420. The car was misfiring on cylinders #2 and #5. The 2-5 coil was dead. We replaced the 3 coils, plug wires and spark plugs with Delphi an... |
August 29, 2011 | |
| 2002 Chevrolet Impala LS 3.8L Misfire VIN: 1G1WH55K22 P0300: Multiple Cylinder Misfire Detected. ... code P0300 and has 210,000 miles on it. The misfire data shows cyl#4 is the cause on the P0300 misfire code. Naturally the spark plugs and ignition wire were in need of replacing. We started with a tune-up replacing the spark plugs, ignition wires, PCV, fu... |
August 29, 2011 | |
| 1997 Volvo 960 2.9L Misfire, MIL Lamp on VIN: YV1KS9603V P0300: Random cylinder misfires. I have a 1997 960 with multiple cylinder misfires. It ran horribly when it came in. CEL on and flashing. I could move the miss from cylnder 5 or 6 to cylinder 3 or 4 by switching coils. Changed all 6 coils and replaced connectors (badly corroded) with OE Volvo... |
August 29, 2011 | |
| 1999 Chevrolet Tracker 1.6L Poor Idle Quality, Stall, Misfire, MIL Lamp on, Runs Rough VIN: 2CNBJ186XX P0300: Multiple Cylinder Missfire. ... engine light starts flashing almost immediately with code P0300- multiple cylinder misfire. Engine seems unable to burn fuel completely, because spark plugs gas foul and has a rich exhaust smell. Went 'round and 'round top of engine looking for something l... |
August 30, 2011 | |
| 1996 Acura TL 2.5L Poor Idle Quality, Surge, Cuts out, Misfire, MIL Lamp on VIN: JH4UA2659T P0300: Multiple Misfire Detected. No power on road sounds like popping back maf. O2 shows rich .9. Plugs fouled. O2 not sooted up. Tried new one, no help. Changed plugs, tried new maf, no help. Powers and grds at ecm ok. Exhaust unresricted. Secondary waveform ok. Injector waveform ok, 30 ms o... |
August 31, 2011 |
