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P0300 Diagnostic Trouble Code Discussion for June 2005

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
1998 Chrysler Sebring LXi 2.5L Hesitation, Stall, Misfire VIN: 4C3AU52N2W
P0300: Multiple Cylinder Misfire Detected. we have a 1998 sebring with a poor idle, and stalls frequentlly. I pulled the codes listed, and used a scan tool to look at my tps and map sensors. tps on scan tool, at close reads 31% and is iratic. map sensor on scan tool engine off reads 29 iHg, at idle 19 ...
June 01, 2005
2000 Chevrolet Malibu 3.1L Misfire VIN: 1G1ND52M8V
P0300: Multiple Cylinder Misfire Detected. Hi iatn members, This car has a misfire on #6 cylider at idle. The car seemed to misfire worse when first started after it had sat awhile and then clear up after idling about half a minute. I figured injectors may be leaking a so I put fuel gauge on and press...
June 02, 2005
2000 Mitsubishi Eclipse GT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4A3AC54L3Y
P0300: Random Misfire Detected. ... p0306 code. replaced plugs wires cap rotor and cleaned injectors car was fine for about a day came back in with mil light on and p0300 code this time.cleaned injectors again cheched for vac leaks non found. had dealer flash ...
June 02, 2005
2002 Toyota Corolla CE 1.8L Misfire, MIL Lamp on VIN: 1NXBR12E62
P0300: Multiple Cylinder Misfire Detected. ... p0300 and p0301 and p0304 misfire codes. Cyl 1 injector was replaced in previous repair.
June 02, 2005
2000 Chevrolet Malibu 3.1L Misfire VIN: 1G1ND52M8V
P0300: Multiple Cylinder Misfire Detected. Hi iatn members, This car has a misfire on #6 cylider at idle. The car seemed to misfire worse when first started after it had sat awhile and then clear up after idling about half a minute. I figured injectors may be leaking a so I put fuel gauge on and press...
June 03, 2005
1996 Ford Contour GL 2.5L Poor Idle Quality, Stall, MIL Lamp on VIN: 3FALP65L3T
customer was driving vehicle in rain when engine stalled when coming to a stop - customer advised that she did not run through any deep water and there are no signs of this - engine would spin over however would not start - allowed vehicle to set for about 20 ...
June 03, 2005
1997 Mercedes-Benz C230 2.3L Hesitation, Stall, Misfire, MIL Lamp on
P0300: random missfire. Greetings MB gurus From what I can get out of this customer; the car will stutter and hesitate badly as he tries to drive off from a stop. This happens intermittently. The engine rev'd freely and idled well when I Iooked at it. I scanned it with the red brick...
June 06, 2005
1998 GMC K1500 Sierra SL 4.3L Misfire, MIL Lamp on VIN: 1GTEK14W9W
P0300: Multiple Cylinder Misfire Detected. Reoccurring code returns P0300, misfire counters storing misfires on all cylinders, excessive misfires occurring on current misfire counters for cylinders #1 & #4, ran fuel injection cleaning on fuel system. Replace injectors #1 & #4. Misfire apparent ...
June 07, 2005
1997 Chevrolet Camaro 3.8L Misfire VIN: 2G1FP32K1V
P0300: Multiple Engine Misfire Detected. This car has a miss on cyl#4 under load, always. I have swapped plug, wire & Injector with cyl#2. The miss stays with #4. I have gone around the intake with acetylene and there is no change. It is usually around 1800 RPM, right when the convertor can't tak...
June 08, 2005
1997 Chevrolet Camaro 3.8L Misfire VIN: 2G1FP32K1V
P0300: Multiple Engine Misfire Detected. This car has a miss on cyl#4 under load, always. I have swapped plug, wire & Injector with cyl#2. The miss stays with #4. I have gone around the intake with acetylene and there is no change. It is usually around 1800 RPM, right when the convertor can't tak...
June 09, 2005
2001 Toyota Camry CE 2.2L Hard start VIN: 4T1BG22K91
P0300: Multiple Cylinder Misfire Detected. ... Came in with Check Engine light on and complaining of hard start - Long Crank. Pulled code p0300 Random multiple missfire, The car does not seem to have a misfire but we did notice the long crank. we pulled the fuel filter and it was really dirty, so we re...
June 09, 2005
1999 Chevrolet Blazer 4.3L Misfire, MIL Lamp on, Lacks power loaded VIN: 1GNDT13W9X
P0300: Multiple Cylinder Misfire Detected. Here we have whats turning out to be a nasty fiasco. This was brought in with complaint of hiss type noise when acclerating and lacks power on accell. We initially thought the obvious and went for the plugged exhaust theory but back pressure tested fine at sen...
June 10, 2005
1996 Chevrolet Lumina 3.1L Misfire, MIL Lamp on VIN: 2G1WL52M6T
P0300: Multiple Engine Misfire Detected. hi guys any info on this would be appreciated.the car came in this morning with a PO300 cylinders 2 and 5 were misfiring.i swapped out the 5,2 coil still no spark put on a control module still no spark left the module on and put a new coil on 5,2 and we got sp...
June 13, 2005
2000 Chevrolet Lumina 3.1L Poor Idle Quality, Misfire VIN: 1GNE52JXY6
P0300: Multiple Cylinder Misfire Detected. ... rough complaint, we could not duplicate, but it did have the p0300 and an egr code p1404 egr position error. we did our normal checks and found the intake and head gaskets leaking coolant. It had new wires and bosch plugs...
June 13, 2005
2002 Dodge Neon ES 2.0L Misfire VIN: 1B3ES56C42
P0300: Multiple Cylinder Misfire Detected. 2002 Neon 2.0 L reacuring missfire .What will cause carbon to track up the sides of spark plugs.We have installed three different brands of plugs in six weeks.Car runs good after new plugs are installed.
June 13, 2005
1997 Cadillac Catera 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: W06VR52R0V
P0300: Multiple Cylinder Misfire Detected. I am posting this for another shop. when warm idling has a miss on cyls 1,3,& 5 when cold no miss under load no miss checked for vacume leaks, ckecked compresion checked ignition system all good, runs good all but warm idle. thanks Ron
June 14, 2005
1996 Chevrolet Lumina 3.1L Misfire, MIL Lamp on VIN: 2G1WL52M6T
P0300: Multiple Engine Misfire Detected. hi guys any info on this would be appreciated.the car came in this morning with a PO300 cylinders 2 and 5 were misfiring.i swapped out the 5,2 coil still no spark put on a control module still no spark left the module on and put a new coil on 5,2 and we got sp...
June 14, 2005
2000 Chevrolet Impala 3.8L Misfire, MIL Lamp on VIN: 1G34786K3Y
P0300: Multiple Cylinder Misfire Detected. This impala is driving me nuts..cust came in with simple complaint that has steadily spiraled down hill!check eng lighton. Drove car in & immeadiatly new it had a misfire code. scanned for codes found cyl#4 dead. cehcked basics spark ok,pulse to inj ok,rem...
June 14, 2005
1999 Audi A4 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUDD28D0X
P0300: random misfire. HELLO TECHS, WE ARE A VW SHOP ,BUT HAVE TAKEN ON THIS a4 FROM ONE OF OUR REGULAR CUSTOMERS. THE VECHILE WILL MISFIRE RANDOMLY, USUALLY AT IDLE BUT SOMETIMES UNDER LOAD AS WELL. REPLACED THE COIL PACKS AND SWAP A PLUG AND WIRE FROM THE #3 CYLINDER. THE SAME MIS...
June 16, 2005
2001 Toyota Camry CE 2.2L Misfire, MIL Lamp on VIN: 4T1BG22K61
P0300: Multiple Cylinder Misfire Detected. ... person doing the repair , the dealer where she bought it is.. I will however post the final resolution.. She bought the car 3/04 and 4/04 it started this miss and set code p0300, dealer put in dry gas and cleared codes.. ...
June 17, 2005
1998 Chrysler Concorde LXi 3.2L Misfire VIN: 2C3HD46J7W
P0300: Multiple Cylinder Misfire Detected. ... customer called for an appointment, but didn't make it home. Had car towed in, we found code P0300, multiple misfires, check and replaced plugs which were needed. Sent him on his way, later the same day the same thing happened. Car now has codes for #5 &am...
June 20, 2005
2001 Mercedes-Benz ML320 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4JGAB54E11
P0300: multiple misfire. ... driving vehicle runs ok. under hard acceleration check engine light comes on and p0306 is set and injector is turned off until engine is restarted. sometimes will also set p0303. we have ...
June 20, 2005
2001 Toyota Camry CE 2.2L Misfire, MIL Lamp on VIN: 4T1BG22K61
P0300: Multiple Cylinder Misfire Detected. ... person doing the repair , the dealer where she bought it is.. I will however post the final resolution.. She bought the car 3/04 and 4/04 it started this miss and set code p0300, dealer put in dry gas and cleared codes.. ...
June 20, 2005
1997 Dodge Intrepid 3.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2B3HD46F8V
P0300: Multiple Cylinder Misfire Detected. ... codes p0 300 p0302 p0306. Pulled plug wires while engine was running and these two cylinders are indeed missing. Replaced plugs and wires, #6 is no longer misfiring but # 2 is. I can hear all injectors clicking with a stethescope. I am well aware of the in...
June 21, 2005
1999 Mercedes-Benz C280 2.8L Misfire VIN: WDBHA29G2X
Greetings to all I have this mercedes that has multiple cylinder misfire codes and an o2 sensor code.I pulled the sparkplugs to see what shape they are in and they do not look bad at all.In the past I have changed alot of mass air flow sensors on the m series ...
June 21, 2005
1999 Saab 9-5 SE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: YS3EF48Z1X
P0300: Random Misfire. Car will run fine most of the time. Can not see any pattern to running problem, very random. Starts to misfire and MIL starts flashing. Looses power and is very sluggish. May run poor for a few minutes or only a few seconds. Fuel pressure does not drop. Once I...
June 21, 2005
2000 Jaguar XK8 4.0L MIL Lamp on VIN: SAJJA42C3Y
P0300: random misfire. This vehicle came in with no fault codes or driveability problems. This was susposed to be another simple waterpump repair. I repalced the waterpump. I poured a little water over the front of the engine to rinse the coolant from the engine. I also replaced the...
June 23, 2005
2000 Mazda Protege ES 1.8L Misfire VIN: JM1BJ2213Y
P0300: Multiple Misfire Detected. on startup #2&3 Coil stops firing, if you pull #1 or 4wire off while running, #2&3 coil starts firing. and then runs fine. coil has 12v when this is happening. coil should be good or bad. puzzled? bad grd or computer? any help app.
June 26, 2005
2002 Acura RSX 2.0L Misfire, MIL Lamp on VIN: JH4DCS4842
P0300: Multiple Misfire Detected. This car came in with check engine light on. Customer complaint is lack of power on hard acceleration. Overall, the car runs fine under normal driving conditions. Any ideas?
June 27, 2005
2000 Ford Taurus SE 2-Valve 3.0L Misfire, MIL Lamp on VIN: 1FAFP5527Y
P0300: missfire. Now we have car, we check for good spark at coil for each cylinder(good), we check for damage to cam sensor reluctor(good),Fuel pressure(good),Check'd for vacume leaks (none) Did a fuel injection cleaning service. Visual check'd all wiring(seemed Fine) after t...
June 27, 2005
1997 Dodge Avenger ES 2.5L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 4B3AU52N5V
P0300: Multiple Cylinder Misfire Detected. Hesitation on acceleration, rough idle, reaccuring code PO300, multiple cylider misfire. Car has new cap, rotor, plugs, wires, EGR valve (OEM).
June 30, 2005