P0300 Diagnostic Trouble Code Discussion for June 2013
Multiple Misfire Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0300
| Help Request | Posted | |
| 2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3 P0300: Random misfire. Truck came in with the 2 individual cylinder misfires, but misfire counter showed all to be misfiring. When driving it feels like the fuel pump was cutting out, it is not. The running issue (misfire)only happens on acceleration or just holding rpm's up to 3000... |
June 03, 2013 | |
| 2001 Chevrolet Silverado 1500 5.3L Misfire VIN: 1GCEK14T71 P0300: Multiple Cylinder Misfire Detected. I have got this 2001 chevy 5.3 that came in with the owner saying it has a tranny problem. on easy,1/3 throttle accel it runs and shifts fine,powerbrakes etc. but when you start accelerating aggressively it winds out with not much pick-up or speed and will not... |
June 04, 2013 | |
| 2006 Dodge Stratus SXT 2.7L MIL Lamp on VIN: 1B3AL46T86 P0300: Multiple Cylinder Misfire Detected. car come in with MIL on codes po300 and po454 Complaint was loss of power and MIL blinking.I have not been able to duplicate the problem.I erased the codes and after a drive cycle the codes have not returned. The fuel trims seem to be in spec. but the o2 senso... |
June 04, 2013 | |
| 2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3 P0300: Random misfire. Truck came in with the 2 individual cylinder misfires, but misfire counter showed all to be misfiring. When driving it feels like the fuel pump was cutting out, it is not. The running issue (misfire)only happens on acceleration or just holding rpm's up to 3000... |
June 04, 2013 | |
| 1998 Mercedes-Benz SLK230 Kompressor 2.3L Misfire VIN: WDBKK47F3W Vehicle sets misfire code for cylinder #1 and ME-SFI shuts off cylinder #1 after moderate acceleration. Ok after restart until next moderate acceleration. Idle quality fine. On full throttle car has normal power up to shift point, does not drop cylinder. If yo... |
June 04, 2013 | |
| 2002 Oldsmobile Bravada 4.2L Misfire, MIL Lamp on VIN: 1GHDT13S32 P0300: Multiple Engine Misfire Detected. Just have a question about what I am seeing with freeze frame data on this vehicle. I can never get it to misfire no matter what I do. Vacuum needle never fickers, very good power, cat not plugged. New plugs. When code sets, misfire data records nearly equal n... |
June 04, 2013 | |
| 2006 Chrysler 300 Touring 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2C3KA53G26 P0300: Multiple Cylinder Misfire. we have the famous "ever since" problem here at the shop.this started out as a basic maintenace timing belt, dealer spark plugs, and water pump.a day later the vehicle came back with a po300 which is a random misfire. after looking at the data we notic... |
June 06, 2013 | |
| 2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554 P0300: Random Misfire Detected. ... retrieved the codes. P0300, p0301, p0302, p0303, p0304. When i drive it, it jumps and hops and binds. The best way to describe its symptom is if (i wide open throttled on a patch of ice and the tcs ... |
June 06, 2013 | |
| 2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554 P0300: Random Misfire Detected. ... retrieved the codes. P0300, p0301, p0302, p0303, p0304. When i drive it, it jumps and hops and binds. The best way to describe its symptom is if (i wide open throttled on a patch of ice and the tcs ... |
June 07, 2013 | |
| 2002 Isuzu Trooper Limited 3.5L Misfire, MIL Lamp on VIN: JACDJ58X42 P0300: Multiple Cylinder Misfire Detected. ... I have this Trooper that will intermittently set a P0300 code. The customer (an employee of ours) says the MIL will flash once in awhile but he gets to the shop it stops. It never sets a dedicated cylinder misfire code. I saw post that state to use the cor... |
June 07, 2013 | |
| 1998 Chevrolet Prizm 1.8L Hesitation, Misfire VIN: 1Y1SK5289W P0300: random cylinder misfire. I need a hand with this car its killing me,this was brought to me with a complaint of no power.I scanned vehicle and found lean codes and misfire codes.I then checked fuel trims short term was at 20% and long term at 40% so we have a lean condition. Smoke test... |
June 08, 2013 | |
| 2009 Chevrolet Cobalt LT 2.2L Poor Idle Quality, Misfire VIN: 1G1AT58H79 P0300: . I have a 09 Chevy Cobalt with a misfire at idle. Engine smooths out when you accelerate. O2 sensor will stay lean. Only cyl # 2 is missing. I checked for vacuum leaks but couldnt find any. I'm thinking maybe the plastic intake is cracked somewhere I cant get a... |
June 08, 2013 | |
| 2006 Nissan Murano SL 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN8AZ08W26 P0300: Multiple Misfire Detected. ... that came in for a cylinder 3 miss. When I pulled the code I found a p0303 at first. I pulled the intake and changed the plugs and the number 3 coil. At this time I checked for blistered coils( none were found) and checked and cleaned all the grounds. Afte... |
June 10, 2013 | |
| 2004 Saturn Vue Red Line 3.5L Stall, Misfire, MIL Lamp on VIN: 5GZCZ63464 P0300: Cylinder 2 Misfire Detected. ... P0301, P0302, P0303, P0304, P0305, P0306. Vehicle just had a tune-up in Jan. this year. According to "Misfire" Scan data # 2 & # 3 are the worst, some times the only two that are misfiring. Swapped Coils with ... |
June 10, 2013 | |
| 2002 Isuzu Trooper Limited 3.5L Misfire, MIL Lamp on VIN: JACDJ58X42 P0300: Multiple Cylinder Misfire Detected. ... I have this Trooper that will intermittently set a P0300 code. The customer (an employee of ours) says the MIL will flash once in awhile but he gets to the shop it stops. It never sets a dedicated cylinder misfire code. I saw post that state to use the cor... |
June 11, 2013 | |
| 2007 Jeep Liberty Sport 3.7L Misfire, MIL Lamp on VIN: 1J4GL48K97 P0300: Multiple Cylinder Misfire. Jeep counts missfires on cyl 2 4 and 6, not hard missfires, but it does miss on these cyls. The story we got was that this problem was there before the head was replaced..The cyl leakage on the rt side cyls is 20% and the left side was running 15%. The cam/car... |
June 12, 2013 | |
| 2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23 P0300: Multiple Cylinder Misfire Detected. This thing shows misfires on 1+4 around 3,000 RPM, but misfires not felt. Tried a module, swapped coils, and plugs, tried new ignition module, no change. It will flash the SES when driving, in shop shows misfires on scan tool, but no flashing SES. Checked patt... |
June 12, 2013 | |
| 2000 Pontiac Grand Am SE 3.4L Misfire, MIL Lamp on, ABS, Trac VIN: 1G2NF52E8Y P0300: Multiple Cylinder Misfire Detected. Vehicle came in with several issues the first to be dealt with was the intake gaskets, after that was squared away the misfire became more prevalent. So we did a tune up and all is well on that side of it. Heres where it get sticky. When I test drove it sev... |
June 13, 2013 | |
| 2010 Chevrolet Silverado 1500 WT 4.8L Surge, Misfire VIN: 1GCPKPEAXA P0300: Random misfire. 2010 CHEV 4.8...Fuel pressure is 70 psi when key is turned on . When the engine is cold & vehicle is started ,pressure stays at 58 psi & after 20 seconds pressure drops to 43 psi When the engine is hot,turn truck off & turn key on,engine off ,press... |
June 15, 2013 | |
| 2009 Chevrolet Cobalt LT 2.2L Poor Idle Quality, Misfire VIN: 1G1AT58H79 P0300: . I have a 09 Chevy Cobalt with a misfire at idle. Engine smooths out when you accelerate. O2 sensor will stay lean. Only cyl # 2 is missing. I checked for vacuum leaks but couldnt find any. I'm thinking maybe the plastic intake is cracked somewhere I cant get a... |
June 16, 2013 | |
| 2005 Honda Pilot EX 3.5L Poor Idle Quality, Surge VIN: 2HKYF18745 P0300: Random Misfire Detected. ... chugging. Had stored codes P0300-306. Tach and RPM in data will fluctuate by 400-500 rpm making EGR test and Vtec Self test not possible. Checked wave forms of Cam and Crank sensors Checked plugs and coils. Fuel trims in freeze data Positive on one bank ne... |
June 18, 2013 | |
| 2005 Jeep Liberty Sport 2.4L Misfire VIN: 1J4GL48175 P0300: Multiple Misfire Detected. ... very slight misfire experienced after warm and when under a slight load (slight acceleration, A/C kicks on, etc.). Check engine light will flash at that time and set a code P0300. Cylinder compression is good at 125 psi in each cylinder. Fuel pressure is 6... |
June 18, 2013 | |
| 2005 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire VIN: 1FMZU73K35 P0300: random misfire. First off thank you in advance for everyone who takes the time to read this. This truck has me officially stumped. Its a friend of mine which makes it even worse. Truck came in on a hook, will start and run but has a misfire. Sometimes its #3 missing, sometime... |
June 21, 2013 | |
| 2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WVWPD63B13 P0300: Random misfire. Car misfires and random misfires on all cylinders which results in engine and car shaking. I have changed all spark plugs, ignition coils and even changed the timing belt to make sure it was correct. I found a cracked check valve and a cracked crank vent tube ... |
June 21, 2013 | |
| 2002 Dodge Dakota Sport 3.9L Misfire, MIL Lamp on VIN: 1B7GG32X92 P0300: Multiple Cylinder Misfire Detected. ... 3.9l.Came in with p0300,p0301,p0303 & p0305 in it.Started out checking some basics.plugs,wires,cap& rotor.etc. All are fairly new...look great.Underside of cap had some corrosion on the contacts and on the rotor so I cleaned off with emery while I ... |
June 24, 2013 | |
| 1999 GMC Safari SL 4.3L Misfire, MIL Lamp on VIN: 1GTDM19W3X P0300: Multiple Cylinder Misfire Detected. Hello everyone, thanks for taking time out of your day to help. This Safari is showing multiple misfires at idle only. The customer has complained of the engine shaking as long has he has owned the van. After the engine replacement the problem seems to have ... |
June 24, 2013 | |
| 2005 Honda Pilot EX 3.5L Poor Idle Quality, Surge VIN: 2HKYF18745 P0300: Random Misfire Detected. ... chugging. Had stored codes P0300-306. Tach and RPM in data will fluctuate by 400-500 rpm making EGR test and Vtec Self test not possible. Checked wave forms of Cam and Crank sensors Checked plugs and coils. Fuel trims in freeze data Positive on one bank ne... |
June 24, 2013 | |
| 2006 Hyundai Sonata GLS 3.3L Misfire, MIL Lamp on VIN: 5NPEU46F36 P0300: Multiple Misfire Detected. Car came in with a check engine light on and a misfire intermittently. Did all the basic test,comp, spark, fuel pressure, injector pulse. all seemed good at first. When miss occured #6 injector pulse dropped out. Testedright at computer, no cround signal. Put ... |
June 25, 2013 | |
| 2001 GMC Sonoma SLS 4.3L MIL Lamp on, Mystery Misfire VIN: 1GTDT13W11 P0300: Multiple Engine Misfire Detected. First the history. Lower intake lets go, customer takes to a friend who does the job, who does it right, changes the oil, takes it for a spin, now it has a crank sensor code, after the second sensor we get it. Take it out, it is scratched by the reluctor. We g... |
June 26, 2013 | |
| 2001 GMC Sonoma SLS 4.3L MIL Lamp on VIN: 1GTDT13W11 P0300: Multiple Engine Misfire Detected. ... far it was driven before repair, never had a check engine light until intake repair. We believe the customer. After intake repair, they got a crank sensor code. Replaced sensor, still got a code after driving, replaced sensor again. Now we get it. Pull the... |
June 27, 2013 | |
| 2003 Mazda Protege ES 2.0L Poor Idle Quality, MIL Lamp on VIN: JM1BJ22573 P0300: Multiple Misfire Detected. ... multiple codes, P0300 (random cylinder misfire) and P0134 (heated 02 1 bank 1 no cativity), checked the spark plugs and replaced, but there was no problem other than them being old. The problem is that it's idle is poor and dies. Scanned and found that the... |
June 27, 2013 | |
| 2001 GMC Sonoma SLS 4.3L MIL Lamp on, Mystery Misfire VIN: 1GTDT13W11 P0300: Multiple Engine Misfire Detected. First the history. Lower intake lets go, customer takes to a friend who does the job, who does it right, changes the oil, takes it for a spin, now it has a crank sensor code, after the second sensor we get it. Take it out, it is scratched by the reluctor. We g... |
June 28, 2013 | |
| 2003 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Stall, Misfire VIN: 3VWSK69M83 P0300: Miss fire. mil flashing all times, and it runs like cat plugged up. Compression test on number 3 155 psi, I then pulled cat down and no help. Unplugged O2 both, no good mil still flashing. Then I checked compression on number 1 105 psi? Start looking at timing? Its looks... |
June 28, 2013 | |
| 2001 Dodge Dakota SLT 3.9L Hesitation, Cuts out, Misfire VIN: 1B7HL2AX61 P0300: Multiple Cylinder Misfire Detected. This truck came in with a randem miss and backfire. I drove and could not duplicate. I had tuned this truck up 20000 miles ago so the first thing i did was checked the plug wires. They were arcing at the cap. Changed wires and was fine for a week. Then same th... |
June 30, 2013 |
