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P0300 Diagnostic Trouble Code Discussion for May 2006

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2000 Oldsmobile Alero GL 2.4L Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 1G3NL52TXY
P0300: Multiple Cylinder Misfire Detected. Ok guys, heres a good one. At adle all times with this one it misses all the time. I have checked fuel pressure at spec 52 psi, compression is 175 even all cyls, fuel filter replaced, coil tower have tracking in it and has been replaced. Backpressure checked a...
May 01, 2006
1996 Volkswagen Passat GLX 2.8L MIL Lamp on VIN: WVWEE83A7T
P0300: random misfire. ... codes with the state inspection machine. had code p0304 in system. showed codes p0300 and p0304 in the "pending" screen. cleared codes and roadtested 16 miles. no misfire felt and the cel did not come back on. plea...
May 01, 2006
2001 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Hesitation, Cuts out VIN: 3VWSS29M01
P0300: Random miss fire. ... CEL found codes P0300 P0301 P0302, Also found upstream Oxygen sensor dead, Cat Converter rattling, removed Spark Plugs, looked as if they were Orignial, We sold Plugs, upstream O2 sensor...
May 02, 2006
2002 Dodge Intrepid SE 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2B3HD46RX2
P0300: Multiple Cylinder Misfire Detected. ... weeks ago for a check engine light. All we had time for was to scan it, at which time we found the p0132 1/1 o2 sensor voltage high. Cleared code and sent her on her way. The customer tells us the light was back on within a couple of days. By the time she ...
May 03, 2006
1996 Volkswagen Passat GLX 2.8L MIL Lamp on VIN: WVWEE83A7T
P0300: random misfire. ... codes with the state inspection machine. had code p0304 in system. showed codes p0300 and p0304 in the "pending" screen. cleared codes and roadtested 16 miles. no misfire felt and the cel did not come back on. plea...
May 03, 2006
2001 Volkswagen Jetta GLX 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWTG69M41
P0300: random misfire. engine light was flashing and check codes listed abouve stored. test drove, low power on acc. timming was not being retarded. dose not have a consitant mis. engine dose make nose when high reving in park. sounds like a loose engine. did hear a couple of back p...
May 03, 2006
2001 Mazda Protege ES 2.0L Hesitation, Cuts out, Misfire VIN: JM1BJ22501
P0300: Multiple Misfire Detected. customer complaint - after 10 to 15 min cruise vehicle cuts out/hesitates from 100 km/h down to 80 km/h as if it has run out of fuel. i've driven the car alot and it has not done it for me. this morning i drove it to work and it hiccuped for a second. i took a...
May 04, 2006
2000 Nissan Frontier SE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1N6ED27YKY
P0300: Multiple Misfire Detected. Vehicle Came in with P0325 and P0302 Replaced knock sensor and injector #2 , Also replaced Spark plugs for maint. Ran good . Next day had miss , Checked all injector plugs , replaced cap and rotor and wires. Ran Good for 2 weeks , Customer returned , replaced ...
May 05, 2006
1999 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEK13R7X
P0300: Multiple Cylinder Misfire Detected. Engine misfires at idle does not misfire [...] rpm. fuel pressure is below spec. , but pump was previously replaced. Compression checks out ok at all cyls. Removed the egr cleaned the pintle and passage. The #3 cyl acted up during an injector balance test. But...
May 06, 2006
1996 Chevrolet C1500 4.3L Misfire VIN: 1GBEC14W5T
P0300: Multiple Cylinder Misfire Detected. customer has had this truck for over a year and has had this issue looked at at dealerships and other shops. it misfire on # 3 and 4 cylenders between 1800 to 3100 rpm . cylender #2 is now showing a miss at idle i have replaced wires, plugs, dist cap and rotor...
May 08, 2006
2002 Dodge Intrepid SE 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2B3HD46RX2
P0300: Multiple Cylinder Misfire Detected. ... weeks ago for a check engine light. All we had time for was to scan it, at which time we found the p0132 1/1 o2 sensor voltage high. Cleared code and sent her on her way. The customer tells us the light was back on within a couple of days. By the time she ...
May 09, 2006
2000 Nissan Frontier SE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1N6ED27YKY
P0300: Multiple Misfire Detected. Vehicle Came in with P0325 and P0302 Replaced knock sensor and injector #2 , Also replaced Spark plugs for maint. Ran good . Next day had miss , Checked all injector plugs , replaced cap and rotor and wires. Ran Good for 2 weeks , Customer returned , replaced ...
May 09, 2006
1999 Chevrolet Venture 3.4L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GHDX03E6X
P0300: Multiple Cylinder Misfire Detected. cam in with coolant leak and runing rough diag. 4 and 5 coil tower bad replace plugs wire and 2 coils still had misfire on cly 4 after running apox 30 min would not miss when cold suspected intake gasket leaking vacume replace and now vehical will not start ha...
May 11, 2006
2001 Mazda MPV DX 2.5L Hesitation, Misfire, MIL Lamp on VIN: JM3LW28Y61
P0300: Multiple Misfire Detected. van came in with a random cyl missfire code. tune up done 20,000 miles ago. removed wires and checked for spark at all cylinders, all look good. removed plugs and found no signs of tracing. replaced wires thinking they were braking down. did not help. replaced...
May 11, 2006
2001 Mazda MPV DX 2.5L Hesitation, Misfire, MIL Lamp on VIN: JM3LW28Y61
P0300: Multiple Misfire Detected. van came in with a random cyl missfire code. tune up done 20,000 miles ago. removed wires and checked for spark at all cylinders, all look good. removed plugs and found no signs of tracing. replaced wires thinking they were braking down. did not help. replaced...
May 12, 2006
1999 Chevrolet Tahoe LS 5.7L Misfire, MIL Lamp on VIN: 1GNEK13R2X
P0300: Multiple Cylinder Misfire Detected. Hello everyone and thank you in advance for your help I have tested about everything I can on this one Truck came in with misfire po300 missing on #6,#3#5 but only under load I had done a tune up on this truck less than 5 months so I didn't think I was dealing...
May 13, 2006
1998 Buick Century Custom 3.1L Surge, Cuts out, Misfire, MIL Lamp on VIN: 2G4WS52M8W
P0300: Multiple Engine Misfire Detected. ... over 80 kms.Quick check for code and found P0101 MAF signal fail,and P0300 random cylinder misfire. Look up scanner and found out there is no MAF reading on both idle and 2500 rpm,it just show no reading all the time. C...
May 15, 2006
2001 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Hesitation, Cuts out VIN: 3VWSS29M01
P0300: Random miss fire. ... CEL found codes P0300 P0301 P0302, Also found upstream Oxygen sensor dead, Cat Converter rattling, removed Spark Plugs, looked as if they were Orignial, We sold Plugs, upstream O2 sensor...
May 16, 2006
2003 GMC Sierra 3500 6.0L Misfire VIN: 1GDJC34V23
P0300: Multiple Engine Misfire Detected. ... difficult time to fix a code P0300.GMC 3500 truck. MISFIRE IS ONLY DURING IDLE. On scanner shows misfire on #7 and #8 cylinder. As soon as I raise the RPM TO 1300. MISFIRE DISAPPEARS and engine runs smooth. other repair shop replaced fuel pressure regulato...
May 17, 2006
2003 GMC Sierra 3500 6.0L Misfire VIN: 1GDJC34V23
P0300: Multiple Engine Misfire Detected. ... difficult time to fix a code P0300.GMC 3500 truck. MISFIRE IS ONLY DURING IDLE. On scanner shows misfire on #7 and #8 cylinder. As soon as I raise the RPM TO 1300. MISFIRE DISAPPEARS and engine runs smooth. other repair shop replaced fuel pressure regulato...
May 18, 2006
2001 Saab 9-5 2.3t 2.3L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: YS3ED45E51
P0300: random cylinder missfire. We are having with this saab problem child. Car cam in with a po300 random cylinder missfiring. Has new plugs and ignition cassete about 3 mons ago, but we did replace the cassete again from worldpac under warranty, wanted to get the cassete out of the way. Fo...
May 18, 2006
2000 Volkswagen Passat GLS 2.8L Misfire, MIL Lamp on VIN: WVWPD23B4X
P0300: milti cylinder missfire. Ran car after down road and found smoke from exhaust using too much fuel. Tested all injector inputs found #3 injector solid ground causing injector open all the time. Car runs very rich
May 18, 2006
2001 Chevrolet Express 1500 4.3L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCEG15W01
P0300: Multiple Cylinder Misfire Detected. well then, got one that likes my shop. came in running horrible. on test drive massive misfire around 1/4-1/2 throttle especially and began stalling on the way back. got it into shop cut it off hasnt started since. tune up was done last october full set of ev...
May 19, 2006
1998 Honda Civic EX 1.6L MIL Lamp on VIN: 1HGEJ824PW
P0300: Random Misfire Detected. When I try to retieve codes again (after I cleared them), I get ib ny scanner, it says code count 62. When I try to see what the codes, it gave me a connection error. I tried the scanner on other cars, I can view the data, but whenever I try to get codes, I ge...
May 19, 2006
2000 Volvo V70 R AWD 2.3L MIL Lamp on VIN: YV1LV60DXY
P0300: Random Misfire detected ECM-3503. Hello all. We have this Volvo in right now that is giving us some grief. First off the car came in running rough, both at idle and at highway speeds. All of the listed codes were present in the computer when it arrived. Pulled the plugs and found that the elec...
May 19, 2006
2002 Ford Thunderbird 3.9L Hesitation VIN: 1FAHP60A02
P0300: random cyl misfire. hello all, this car bogs and hesitates on acell, idle is ok.fuel pressure reads 32psi at idle and 38psi on acell.spec for this thing is 39-65psi.what a large range isn"t it? i installed 2 fuel pumps,one on either side of the tank.same thing.oh i replaced f...
May 20, 2006
1999 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEK13R7X
P0300: Multiple Cylinder Misfire Detected. Engine misfires at idle does not misfire [...] rpm. fuel pressure is below spec. , but pump was previously replaced. Compression checks out ok at all cyls. Removed the egr cleaned the pintle and passage. The #3 cyl acted up during an injector balance test. But...
May 21, 2006
2003 Chevrolet Avalanche 1500 North Face 5.3L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: 3GNEK13T23
P0300: Multiple Cylinder Misfire Detected. ... struggling with is an 03 Chevy Avalanche with the 5.3L V8. The truck came in with the complaint of a misfire and running sluggish. After road testing I scanned the computer and found a P0300. I went a step further and found that the misfire counters were h...
May 22, 2006
1996 Cadillac DeVille 4.6L Misfire, MIL Lamp on VIN: 1B6KU1EY9T
P0300: Engine Misfire Detected. We have a cad here that missfires when cold. The motor was just replaced because of a bad headgasket. The motor replacement was used with about 100K on it. Did not have this problem before motor replacement. Cylinders 2,4,6 and 8 are the only ones that miss on...
May 23, 2006
1996 Chevrolet C1500 4.3L Misfire VIN: 1GBEC14W5T
P0300: Multiple Cylinder Misfire Detected. customer has had this truck for over a year and has had this issue looked at at dealerships and other shops. it misfire on # 3 and 4 cylenders between 1800 to 3100 rpm . cylender #2 is now showing a miss at idle i have replaced wires, plugs, dist cap and rotor...
May 23, 2006
2001 Chevrolet Express 1500 4.3L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCEG15W01
P0300: Multiple Cylinder Misfire Detected. well then, got one that likes my shop. came in running horrible. on test drive massive misfire around 1/4-1/2 throttle especially and began stalling on the way back. got it into shop cut it off hasnt started since. tune up was done last october full set of ev...
May 24, 2006
2001 Saab 9-5 2.3t 2.3L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: YS3ED45E51
P0300: random cylinder missfire. We are having with this saab problem child. Car cam in with a po300 random cylinder missfiring. Has new plugs and ignition cassete about 3 mons ago, but we did replace the cassete again from worldpac under warranty, wanted to get the cassete out of the way. Fo...
May 24, 2006
2000 Isuzu Rodeo LS 3.2L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on, no powerleft side VIN: 4S2CK58W7Y
P0300: Multiple Cylinder Misfire Detected. ... then acted like the broken cover made the belt jump so i took it back apart and the belt is still in time we have code po300 and p1312 which is an ion control module this truck has fuel spark andcompression but is fouling out spark plugs on left side i als...
May 26, 2006
1996 Chevrolet Camaro 3.8L Misfire VIN: 22KXT21598
P0300: Multiple Engine Misfire Detected. ... in,check engeine light was on,miss fire code p0300 was in the system,(#5)plugs didn't help,checked coils fond green on spades,replaced modual and coils.now cylinders 4 and 6 miss at idal and at 2000 rpms thay stop missing nad #5 starts missing agine.check ...
May 28, 2006
1996 Chevrolet Lumina 3.1L Surge, Cuts out, Misfire VIN: 2G1WL52M4T
P0300: Multiple Engine Misfire Detected. ... one.Car was running fine ,stopped for gas and when I started it back up it had a ticking/light knocking noise in the upper part of the engine and missfiring badly. Checked codes and got p0301,cleared codes and got p0300. Check...
May 29, 2006
1997 BMW 318ti 1.9L Poor Idle Quality, Misfire VIN: WBACG7322V
P0300: Random misfire. ... that was rejected last week for readiness status from The ILL EPA emissions test. The MIL is not commanded on yet it has 6 codes. My #1 problem is that P1585 is not listed with ALLDATA. I have resquest info from them and I...
May 30, 2006
2002 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W42
P0300: Multiple Cylinder Misfire Detected. maf tps map readings @signal wire at pcm are the same as above but readings on scan tool are zero all the time i have 5v ref ground at all sensors all sensors ohm out o.k.
May 30, 2006
1999 Chevrolet Express 2500 4.3L Hesitation, Stall, Misfire, MIL Lamp on VIN: 1GCFG25WZX
P0300: Multiple Cylinder Misfire Detected. van towed in for rough running and lack of power, mil lt on, scanned found po339, changed crank sensor after inspecting wiring and no change. vehicle has also developed a po300 misfire code somewhere along the way. low on power on hard acceleration and pinging...
May 31, 2006
2001 Mercedes-Benz C240 2.6L Misfire VIN: WDBRF61J21
P0300: random missfire. ... P0304, P0305, P0306, P0170 and P0173. After checking the plugs, I found it had the wrong plugs installed and they were in bad shape. I replaced the plugs and road tested vehicle for about 35 miles. The mil came back on, on...
May 31, 2006