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P0300 Diagnostic Trouble Code Discussion for November 2010

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2000 Volkswagen Beetle GLS 2.0L Misfire VIN: 3VWBC21C6Y
P0300: Multiple cyl. Miss. Hello all, not sure where to begin with this thing. About a year ago came in with miss and found coil to be junk still was a factory coil no surprise there. Then a few months ago came in with the ground terminal burnt on the coil now with and engine miss again...
November 01, 2010
2004 Chevrolet Silverado 2500 HD 6.0L Misfire, MIL Lamp on VIN: 1GCHK23U54
P0300: Multiple Engine Misfire Detected. ... dealer after was just purchased with a chech engine light on with multiple codes P0101 Mass Airflow Performance P0131 Heated O2 sensor ckt low volt B1 S1 P0151 Heated O2 Sensor ckt low volt B2 S1 P0300 Random Misfire Checked intake for leaks with smoke mac...
November 02, 2010
2000 Isuzu Rodeo LS 3.2L Misfire VIN: 4S2CK58WXY
P0300: Multiple Cylinder Misfire Detected. Got this Rodeo that has a steady misfire at all times. This vehicle was recently purchased by a used car lot. All coils and injectors working properly. Vacuum at idle is 20 hg and steady. Fuel pressure and volume good. Scan data for this vehicle is terrible on...
November 05, 2010
2004 Chevrolet Express 3500 6.0L Misfire VIN: 1CBJG31U94
P0300: Multiple Cylinder Misfire Detected. hi everyone have this van which came in with check engine light on and misfiring, customer started to try to replace plug and wires and broken one plug wire and stop there, so we replace all spark plugs and wires, started it up and was misfiring scan tool show...
November 09, 2010
2004 Dodge Neon SXT 2.0L Misfire, MIL Lamp on VIN: 1B3ES56C64
P0300: Multiple Cylinder Misfire Detected. After changing everything related to misfire i still have the check engine light on and a little miss
November 09, 2010
2003 Chevrolet Silverado 2500 HD LT 6.0L Misfire, MIL Lamp on VIN: 1GCHK29U03
P0300: Multiple Engine Misfire Detected. ... appreciate any help on this. Just joined 3 days ago and didn't think that I would have to use this forum this soon, as we usually don't run into problems we can't solve. This is a loyal and return customer for years. Truck was brought in for a rough idle, ...
November 10, 2010
1998 Volvo S70 GLT 2.4L Misfire VIN: YV1LS5671W
P0300: Random/multiple cylinder misfire. We are trying to get this car passed for the smog test and of course with the check engine light keep coming on it will not test , and the problem is it has to be driven 40 miles after everytime it is altered and the codes cleared . Has anuone out there come a...
November 10, 2010
2000 Volvo S40 1.9L Misfire VIN: YV1VS2559Y
P0300: Misfire. ... from a local lot. Someone had changed the timing belt and did not use the proper tools. Vehicle came in with a p0014 VVT retarded code. Noticed that solenoid was leaking and our flow chart showed solenoid could be bad. Changed solenoid. Ok for a day or so ...
November 10, 2010
2000 Chevrolet Silverado 1500 4.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GCEC14W1Y
P0300: Multiple Cylinder Misfire Detected. anyhelp would be highly helpful
November 11, 2010
2002 Nissan Frontier SE 3.3L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL flashing VIN: 1N6ED29X12
P0300: Multiple Misfire Detected. ... rough and misfiring. We completed test and narrowed it down to fuel delivery issue. Replaced fuel pump and ran great. Customer came back with check engine light on, was throwing codes for knock sensors. While diagnosing knock sensors customer also said she...
November 15, 2010
2006 Nissan Armada SE 5.6L Misfire VIN: 5N1AA08B86
P0300: Multiple Misfire Detected. This car came in with DTC:P0300-Multi cylinder misfires. Check power balance with consult-III and found cylinder no:2,4,6,8 not working. Cleaned injectior nozzle, renew spark plugs and also check compression test with a pressure above 150 psi. Also changed mas...
November 15, 2010
1998 Oldsmobile Regency 3.8L Misfire VIN: 1G3HC53K7W
P0300: Engine Misfire Detected. car came in with a miss fire on 1 and 4 swaped coil with a known good coil with no luck so i put an ignition module on it and the same problem happened so i went further and checked my grounds at module and computer all are ok also checked cam and crank sensor...
November 15, 2010
2004 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WVWPD63B04
P0300: multiple cylinder misfire. Customer initially came in 2 weeks ago with a overheating condition. Replaced the thermostat and no flow for the cooling system. Found that the waterpump fins were seperated as a result of overheating. Replaced timing belt and waterpump. Accidently got timing ...
November 17, 2010
1998 Kia Sportage EX 2.0L Misfire VIN: KNDJA7231W
P0300: Random Cylinder Misfire Detected. ... and disappears after engine reached normal operating temp. I extracted trouble codes P0300 P0301 P0302 P0303 P0304, test drove it and it seems to run fine. She states on COLD START UP it m...
November 18, 2010
1996 Cadillac DeVille 4.6L Stall, Misfire, MIL Lamp on VIN: 1G6KD52YXT
P0300: Engine Misfire Detected. coustmer brought this in with a random miss and stalling after scann found codes for randum missfire and ih historw it seemed to be mostly #6 cylinder scoped ingition and all lookeg good. after much checking and testing found just befoe it goes into miss it ma...
November 19, 2010
2000 Isuzu Rodeo S 3.2L Misfire VIN: 4S2DM58WXY
P0300: Multiple Cylinder Misfire Detected. ... sharp misfires at cruis or slight highway accelleration and sometimes at idle. Always is #1 cyl. The P0351 code from what I have read refers to the coil circuit for #1 cyl. When I ran it with #1 coil disconected I did not get a miss. I put a new coil on #1...
November 19, 2010
2000 Volvo S40 1.9L No Start, Poor Idle Quality VIN: YV1VS2552Y
Engine requires 10 seconds of cranking to start after sitting 1/2 hour or more. Also idles low for a few seconds. Occasionally sets misfire codes. Otherwise runs great. Fuel presure holds 30 psi after 1/2 hr. Had injectors out - no leaks.
November 19, 2010
2005 Dodge Durango SLT 5.7L Misfire, MIL Lamp on VIN: 1D4HB48DX5
P0300: Multiple Misfire Detected. Vehicle originally arrived with cylinders 8,7 and "multiple" codes. The EGR tube was not connected properly which erased 2 additional codes regarding vacuum leaks. Now the code is cylinder 8 misfire. We have tested the injector function and it is fine,...
November 22, 2010
2000 Honda CR-V LX 2.0L Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JHLRD1872Y
P0300: Multiple Misfire Detected. Customer complaint was check engine was on, we scanned vehicle, turned light off, customer drives 100+ miles then comes back in with MIL back on, all 4 codes returned, we scheduled vehicle in & replaced Plugs, wires, cap, rotor & drove for 30 miles, re...
November 22, 2010
2000 Lexus ES300 3.0L Misfire, MIL Lamp on VIN: JT8BF28G4Y
P0300: Multiple Cylinder Misfire Detected. ... trouble codes P0300, P0306, P1315, & P1325. I already did spark plugs and cylinders #1 & #4 coils about 1 month ago. The customer complains of the light being on with an occasional lack of power (which only happens...
November 23, 2010
2005 Nissan Pathfinder LE 4.0L MIL Lamp on, Down on power VIN: 5N1AR18W25
P0300: Multiple Misfire Detected. ... this Nissan is making us look bad. We have been taking care of cars for these folks for as long as we have been in business and really want to get this one fixed. We have had a few driveablity related issues recently. Cam sensor code and correction then sh...
November 23, 2010
2000 Chevrolet Express 2500 5.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCFG25M5Y
P0300: Multiple Cylinder Misfire Detected. vehicle came in barely idling with definite rich smell, chugging exhaust output. does this all the time worsens as engine warms up. stalls when in gear especially on brakes. checked vacuum leaks, all parts listed were tried and or replaced. ohm'd harnesses inc...
November 24, 2010
2006 Hyundai Sonata GLS 3.3L Hesitation, Misfire, MIL Lamp on VIN: 5NPEU46FU6
P0300: Multiple Misfire Detected. ... check engne light on and hessitates on acceleration and the check engine light would start blinking. i use the modis scan tool and all it tells me for codes is p0300 so i took it for a test drive and it runs fine till you try to accelerate hard then it see...
November 24, 2010
2005 Kia Amanti 3.5L Misfire, MIL Lamp on VIN: KNALD124X5
P0300: Multiple Misfire Detected. my shop with a hesitation or skip & c.e.l on.Ran diagnostis on vehicle & retrieved trouble codes PO350,PO300,PO301 & PO305.There is no skip @ idle but it does skip under a load.My diagnosis is faulty plug wires.Replaced faulty plug wires & repl...
November 24, 2010
2005 Mini Cooper S 1.6L Hesitation, Cuts out, Stall, Misfire VIN: WMWRE33506
P0300: Random multiple misfire. ... weekend, so any ideas you can share I greatly appreciate! I appologize in advance for the long post, trying to get my whole thought process in there for you. This car has me stumped. I've had it in on 3 ocassions for the better part of a day each time, k...
November 24, 2010
2002 Chevrolet Express 3500 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GDHG31R62
P0300: Multiple Cylinder Misfire Detected. ... work I find the dist gear very thin. Get a new dist complete with cap and rotor. Every thing seemed to go correct. but after I wan done i had a p0300 that had me rethinking every thing I touched. After a new crank sensor and setting cmp I noticed that it w...
November 28, 2010
2003 GMC Savana 2500 4.8L Misfire VIN: 1G2CG2AV1C
P0300: Multiple Cylinder Misfire Detected. good day to you i have a van with a miss on cyl 6 after it idles or runs for a about 15 minuts. the fuel pressure is correct and it never looses spark.performed injector b alance test all droped the same amount installed new #6 injector anyway switched coils p...
November 28, 2010
2000 Chevrolet Express 2500 5.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCFG25M5Y
P0300: Multiple Cylinder Misfire Detected. vehicle came in barely idling with definite rich smell, chugging exhaust output. does this all the time worsens as engine warms up. stalls when in gear especially on brakes. checked vacuum leaks, all parts listed were tried and or replaced. ohm'd harnesses inc...
November 29, 2010
2005 Mini Cooper S 1.6L Hesitation, Cuts out, Stall, Misfire VIN: WMWRE33506
P0300: Random multiple misfire. ... weekend, so any ideas you can share I greatly appreciate! I appologize in advance for the long post, trying to get my whole thought process in there for you. This car has me stumped. I've had it in on 3 ocassions for the better part of a day each time, k...
November 29, 2010
2002 Chrysler Town & Country (Van) LXi 3.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2C4GP54L52
P0300: Multi miss. Codes p0300,302,304 stored.replaced spark plugs and wires.miss is intermittent at all coinditions.did fuel enrichment tests,improved.performed motorvac inj. Clean. Idle improved w/80psi applied to injectors.test drove and idle and miss was good.customer took a...
November 30, 2010
2002 Mazda Protege ES 2.0L No Start, Misfire, MIL Lamp on VIN: JM1BJ22512
P0300: Multiple Misfire Detected. Hello all, have a protege kicking my butt here. Started back in April, came in missing out, random misfire cannot remeber if there was a specific cyclinder. The plugs were way out of gap and fuel soaked with fuel sitting ontop of pistons. Was a little concerne...
November 30, 2010