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P0300 Diagnostic Trouble Code Discussion for April 2014

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
1999 Chrysler Sebring LXi 2.5L Excessive Emissions, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4C3AU52N3X
P0300: Multiple Cylinder Misfire Detected. ... 2.5L Mitusbishi motor is kicking my butt.Inherited it from another shop. Runs rough at idle and sets P0300. Will stall almost every time when coming to a stop. Extended crank during start up. Has pretty good power when driving. The same hot or cold. I have...
April 02, 2014
2005 GMC Savana 2500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTGG25V05
P0300: Multiple Cylinder Misfire Detected. LTFT B1 and B2 in the 20's at idle, 1500 and 2500rpm LTFT will go down for a moment off idle. Fuel pressure is @ 62. fuel volunme is good. Smoke checked and carb spryed the intake gasket hot and cold. Adding propane thru the intake cleans up the fuel trims. mo...
April 02, 2014
2002 Toyota Camry SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTDBE32K02
P0300: Multiple Cylinder Misfire Detected. Hi evry body and thank you for your help. I have this toyota here that has lean code all the time, customer took the vehicle to mechanic shop,. They can`t do nothing for him. Engine runs bad when cold, but when warms up, runs better. Accessed for codes, show b...
April 03, 2014
2007 Dodge Ram 1500 ST 4.7L Misfire VIN: 1D7HU18P87
P0300: random misfire. Hello and thanks in advance for taking time to read this. I have a 2007 dodge ram 1500 4.7 that initially came in for the CEL on. upon inspection found P0301 and tests showed to have low compression on the cylinder, leakage test showed to be leaking past intak...
April 07, 2014
2003 GMC Sierra 2500 SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHK23U63
P0300: Multiple Cylinder Misfire Detected. hello to all, i have cylinders 1,3 and 8 are missfiring. i have swapped fuel injectors and misfire did not move. when injectors where out inspected top of injectors and found no debri. blew out rail and nothing but fuel came out. swapped ignition coils. 1 and ...
April 07, 2014
2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844
P0300: Misfire Detection. Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl...
April 07, 2014
1999 Chrysler Sebring LXi 2.5L Excessive Emissions, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4C3AU52N3X
P0300: Multiple Cylinder Misfire Detected. ... 2.5L Mitusbishi motor is kicking my butt.Inherited it from another shop. Runs rough at idle and sets P0300. Will stall almost every time when coming to a stop. Extended crank during start up. Has pretty good power when driving. The same hot or cold. I have...
April 02, 2014
2005 GMC Savana 2500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTGG25V05
P0300: Multiple Cylinder Misfire Detected. LTFT B1 and B2 in the 20's at idle, 1500 and 2500rpm LTFT will go down for a moment off idle. Fuel pressure is @ 62. fuel volunme is good. Smoke checked and carb spryed the intake gasket hot and cold. Adding propane thru the intake cleans up the fuel trims. mo...
April 02, 2014
2002 Toyota Camry SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTDBE32K02
P0300: Multiple Cylinder Misfire Detected. Hi evry body and thank you for your help. I have this toyota here that has lean code all the time, customer took the vehicle to mechanic shop,. They can`t do nothing for him. Engine runs bad when cold, but when warms up, runs better. Accessed for codes, show b...
April 03, 2014
2007 Dodge Ram 1500 ST 4.7L Misfire VIN: 1D7HU18P87
P0300: random misfire. Hello and thanks in advance for taking time to read this. I have a 2007 dodge ram 1500 4.7 that initially came in for the CEL on. upon inspection found P0301 and tests showed to have low compression on the cylinder, leakage test showed to be leaking past intak...
April 07, 2014
2003 GMC Sierra 2500 SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHK23U63
P0300: Multiple Cylinder Misfire Detected. hello to all, i have cylinders 1,3 and 8 are missfiring. i have swapped fuel injectors and misfire did not move. when injectors where out inspected top of injectors and found no debri. blew out rail and nothing but fuel came out. swapped ignition coils. 1 and ...
April 07, 2014
2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844
P0300: Misfire Detection. Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl...
April 07, 2014
1999 Chrysler Sebring LXi 2.5L Excessive Emissions, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4C3AU52N3X
P0300: Multiple Cylinder Misfire Detected. ... 2.5L Mitusbishi motor is kicking my butt.Inherited it from another shop. Runs rough at idle and sets P0300. Will stall almost every time when coming to a stop. Extended crank during start up. Has pretty good power when driving. The same hot or cold. I have...
April 02, 2014
2005 GMC Savana 2500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTGG25V05
P0300: Multiple Cylinder Misfire Detected. LTFT B1 and B2 in the 20's at idle, 1500 and 2500rpm LTFT will go down for a moment off idle. Fuel pressure is @ 62. fuel volunme is good. Smoke checked and carb spryed the intake gasket hot and cold. Adding propane thru the intake cleans up the fuel trims. mo...
April 02, 2014
2002 Toyota Camry SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTDBE32K02
P0300: Multiple Cylinder Misfire Detected. Hi evry body and thank you for your help. I have this toyota here that has lean code all the time, customer took the vehicle to mechanic shop,. They can`t do nothing for him. Engine runs bad when cold, but when warms up, runs better. Accessed for codes, show b...
April 03, 2014
2007 Dodge Ram 1500 ST 4.7L Misfire VIN: 1D7HU18P87
P0300: random misfire. Hello and thanks in advance for taking time to read this. I have a 2007 dodge ram 1500 4.7 that initially came in for the CEL on. upon inspection found P0301 and tests showed to have low compression on the cylinder, leakage test showed to be leaking past intak...
April 07, 2014
2003 GMC Sierra 2500 SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHK23U63
P0300: Multiple Cylinder Misfire Detected. hello to all, i have cylinders 1,3 and 8 are missfiring. i have swapped fuel injectors and misfire did not move. when injectors where out inspected top of injectors and found no debri. blew out rail and nothing but fuel came out. swapped ignition coils. 1 and ...
April 07, 2014
2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844
P0300: Misfire Detection. Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl...
April 07, 2014
1999 Chrysler Sebring LXi 2.5L Excessive Emissions, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4C3AU52N3X
P0300: Multiple Cylinder Misfire Detected. ... 2.5L Mitusbishi motor is kicking my butt.Inherited it from another shop. Runs rough at idle and sets P0300. Will stall almost every time when coming to a stop. Extended crank during start up. Has pretty good power when driving. The same hot or cold. I have...
April 02, 2014
2005 GMC Savana 2500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTGG25V05
P0300: Multiple Cylinder Misfire Detected. LTFT B1 and B2 in the 20's at idle, 1500 and 2500rpm LTFT will go down for a moment off idle. Fuel pressure is @ 62. fuel volunme is good. Smoke checked and carb spryed the intake gasket hot and cold. Adding propane thru the intake cleans up the fuel trims. mo...
April 02, 2014
2002 Toyota Camry SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTDBE32K02
P0300: Multiple Cylinder Misfire Detected. Hi evry body and thank you for your help. I have this toyota here that has lean code all the time, customer took the vehicle to mechanic shop,. They can`t do nothing for him. Engine runs bad when cold, but when warms up, runs better. Accessed for codes, show b...
April 03, 2014
2007 Dodge Ram 1500 ST 4.7L Misfire VIN: 1D7HU18P87
P0300: random misfire. Hello and thanks in advance for taking time to read this. I have a 2007 dodge ram 1500 4.7 that initially came in for the CEL on. upon inspection found P0301 and tests showed to have low compression on the cylinder, leakage test showed to be leaking past intak...
April 07, 2014
2003 GMC Sierra 2500 SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHK23U63
P0300: Multiple Cylinder Misfire Detected. hello to all, i have cylinders 1,3 and 8 are missfiring. i have swapped fuel injectors and misfire did not move. when injectors where out inspected top of injectors and found no debri. blew out rail and nothing but fuel came out. swapped ignition coils. 1 and ...
April 07, 2014
2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844
P0300: Misfire Detection. Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl...
April 07, 2014
1999 Chrysler Sebring LXi 2.5L Excessive Emissions, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4C3AU52N3X
P0300: Multiple Cylinder Misfire Detected. ... 2.5L Mitusbishi motor is kicking my butt.Inherited it from another shop. Runs rough at idle and sets P0300. Will stall almost every time when coming to a stop. Extended crank during start up. Has pretty good power when driving. The same hot or cold. I have...
April 02, 2014
2005 GMC Savana 2500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTGG25V05
P0300: Multiple Cylinder Misfire Detected. LTFT B1 and B2 in the 20's at idle, 1500 and 2500rpm LTFT will go down for a moment off idle. Fuel pressure is @ 62. fuel volunme is good. Smoke checked and carb spryed the intake gasket hot and cold. Adding propane thru the intake cleans up the fuel trims. mo...
April 02, 2014
2002 Toyota Camry SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTDBE32K02
P0300: Multiple Cylinder Misfire Detected. Hi evry body and thank you for your help. I have this toyota here that has lean code all the time, customer took the vehicle to mechanic shop,. They can`t do nothing for him. Engine runs bad when cold, but when warms up, runs better. Accessed for codes, show b...
April 03, 2014
2007 Dodge Ram 1500 ST 4.7L Misfire VIN: 1D7HU18P87
P0300: random misfire. Hello and thanks in advance for taking time to read this. I have a 2007 dodge ram 1500 4.7 that initially came in for the CEL on. upon inspection found P0301 and tests showed to have low compression on the cylinder, leakage test showed to be leaking past intak...
April 07, 2014
2003 GMC Sierra 2500 SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHK23U63
P0300: Multiple Cylinder Misfire Detected. hello to all, i have cylinders 1,3 and 8 are missfiring. i have swapped fuel injectors and misfire did not move. when injectors where out inspected top of injectors and found no debri. blew out rail and nothing but fuel came out. swapped ignition coils. 1 and ...
April 07, 2014
2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844
P0300: Misfire Detection. Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl...
April 07, 2014
2007 Toyota Tundra 4.7L Misfire, MIL Lamp on VIN: 5TFJT52137
P0300: Multiple Cylinder Misfire Detected. Most of pertinent information is in repair description.
April 09, 2014
2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844
P0300: Misfire Detection. Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl...
April 10, 2014
2008 BMW 535xi 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WBANV93568
P0300: Random misfire. Put new spark plugs in cylinders #1,2,3 with no effect. I could not find a resistance spec for either the coils or the fuel injectors. Is there someting common to cyl#1,2,3 that I could be missing? Does anyone have any electrical specs for windings in coil ...
April 15, 2014
2002 Toyota 4Runner Limited 3.4L Misfire, MIL Lamp on VIN: JT3GN87RX2
P0300: Multiple Cylinder Misfire Detected. ... after being sold, misfire P0301 and P0300 stored, runs perfect under all conditions. Freeze frame indicates low load, warm engine and around 50- 55 MPH. Spark plugs were incorrect and worn so started there, Moved ignition coil and injector to other cylinde...
April 16, 2014
2008 BMW 535xi 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WBANV93568
P0300: Random misfire. Put new spark plugs in cylinders #1,2,3 with no effect. I could not find a resistance spec for either the coils or the fuel injectors. Is there someting common to cyl#1,2,3 that I could be missing? Does anyone have any electrical specs for windings in coil ...
April 21, 2014
2007 Audi A6 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUAH74F57
Another Euro POS, UGGHHH !! This thing came in running very bad at idle. Rotten egg smell, black smoke when the throttle is pushed. Once underway the car seems to run fine. Pulled the three coils on the passenger side. Two out of three were full of oil. Re...
April 22, 2014
2005 Audi A6 Quattro 3.2L Hesitation, MIL Lamp on VIN: WAUDG74F35
... When You Clear The Codes The P0341 And P0366 Come back On with second Ignition.
April 24, 2014
2004 Hyundai Sonata GLS 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: KMHWF25H44
P0300: Multiple Misfire Detected. thank you up front!i have a returning p0352 and o0355( coils B and E in that order) along with misfire on cylinders 2 and 5. also returning random misfire. the connector into the coil [...] is cracked in the plastic plug end ,but all the pin connectors are in ...
April 28, 2014
2005 Audi A6 Quattro 3.2L Hesitation, MIL Lamp on VIN: WAUDG74F35
... When You Clear The Codes The P0341 And P0366 Come back On with second Ignition.
April 29, 2014
2005 Toyota Sienna XLE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TDZA22CX5
P0300: Multiple Cylinder Misfire Detected. Customer complaint is rough running; pulled codes and test drive. On the test drive vehicle looses power under acceleration, b calculated load is at 87-90%; AFS are at 3.6 to 3.8 B1 and 3.6 to 3.9 B2 rear O2 sensors are at .00 to .05 volts. Fuel trims (at id...
April 29, 2014
2004 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: KM8SC73E54
P0300: Multiple Misfire Detected. This vehicle has been here too long and I'm ashamed to even tell you all how long it has been. Another employee tore this vehicle down and then I fired him. So I had to figure what he had done and why, along with what it really needed. Anyway I have rechecked ...
April 30, 2014
2004 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: KM8SC73E54
P0300: Multiple Misfire Detected. This vehicle has been here too long and I'm ashamed to even tell you all how long it has been. Another employee tore this vehicle down and then I fired him. So I had to figure what he had done and why, along with what it really needed. Anyway I have rechecked ...
April 30, 2014
2005 Toyota Sienna XLE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TDZA22CX5
P0300: Multiple Cylinder Misfire Detected. Customer complaint is rough running; pulled codes and test drive. On the test drive vehicle looses power under acceleration, b calculated load is at 87-90%; AFS are at 3.6 to 3.8 B1 and 3.6 to 3.9 B2 rear O2 sensors are at .00 to .05 volts. Fuel trims (at id...
April 30, 2014