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P0303 Diagnostic Trouble Code Discussion for August 2013

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2003 Chevrolet S10 2.2L Misfire VIN: 1GCCS14H73
P0303: Cylinder 3 Misfire Detected. ... running rough, p0303. Found mix n match plugs and wires, replaced and still had misfire. checked spark w/spark tester, good, injector pulse, good, swapped 3/4 injectors still misfires. Watched misfire counts on Modis, they go as fast as you can count only ...
August 02, 2013
2004 Chevrolet Silverado 3500 8.1L Hesitation, Misfire VIN: 1GCHK33G24
P0303: Cylinder 3 Misfire Detected. ... runs fine all the time, but as soon as you give it full throttle and it hits 3500 rpm, it as if a rev limiter kicks in. after first scanning for codes, I got a code P0300 and P0303. I check fuel pressure, and its in spec. ...
August 03, 2013
2007 Subaru B9 Tribeca Limited 3.0L MIL Lamp on VIN: 4S4WX82D87
P0303: Cylinder 3 Misfire Detected. ... p0301, p0303, p0305 about every 3k miles. have changed air fuel ratio sensors and have swapped o2 sensors from side to side. have done smoke test and no vaccum leaks. oil has been changed on scheduale and is running synthetic oil.vvt is functioning correct...
August 07, 2013
2000 Land Rover Range Rover SE 4.0L MIL Lamp on, random misfire bank VIN: SALPV1542Y
P0303: misfire cylinder 3. The problem has never happened for us, customer states it happens most often with engine not fully warmed up, and does not happen when engine is hot. We suspect it is coils but they do not fire all on one side. So what am I missing here. Thanks for the help. B...
August 09, 2013
1998 Ford Ranger XL 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1FTYR14C2W
P0303: miss cyl 3. I found denso plugs in this ford and could not verify their correct application through any of our local parts stores.Installed correct autolights and new cables on all 8 plgs.My need or question here is the functionality of this 4 cylinder ignition .8 plugs,2...
August 20, 2013
1998 Ford Ranger XL 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1FTYR14C2W
P0303: miss cyl 3. I found denso plugs in this ford and could not verify their correct application through any of our local parts stores.Installed correct autolights and new cables on all 8 plgs.My need or question here is the functionality of this 4 cylinder ignition .8 plugs,2...
August 21, 2013
2000 Audi A6 Quattro 4.2L Random misfire VIN: WAUZL64B0Y
P0303: Cyl. three misfire. Engine runs smoothly just after start up cold (three-four seconds) Then it begines to misfire and run poorly. Engine is low on power. As the engine warms up it begine to run better but still has a slight misfire at idle. When it is test driven and het at WOT (...
August 27, 2013
2000 Audi A6 Quattro 4.2L Random misfire VIN: WAUZL64B0Y
P0303: Cyl. three misfire. Engine runs smoothly just after start up cold (three-four seconds) Then it begines to misfire and run poorly. Engine is low on power. As the engine warms up it begine to run better but still has a slight misfire at idle. When it is test driven and het at WOT (...
August 28, 2013
2003 Chevrolet S10 2.2L Misfire VIN: 1GCCS14H73
P0303: Cylinder 3 Misfire Detected. ... running rough, p0303. Found mix n match plugs and wires, replaced and still had misfire. checked spark w/spark tester, good, injector pulse, good, swapped 3/4 injectors still misfires. Watched misfire counts on Modis, they go as fast as you can count only ...
August 02, 2013
2004 Chevrolet Silverado 3500 8.1L Hesitation, Misfire VIN: 1GCHK33G24
P0303: Cylinder 3 Misfire Detected. ... runs fine all the time, but as soon as you give it full throttle and it hits 3500 rpm, it as if a rev limiter kicks in. after first scanning for codes, I got a code P0300 and P0303. I check fuel pressure, and its in spec. ...
August 03, 2013
2007 Subaru B9 Tribeca Limited 3.0L MIL Lamp on VIN: 4S4WX82D87
P0303: Cylinder 3 Misfire Detected. ... p0301, p0303, p0305 about every 3k miles. have changed air fuel ratio sensors and have swapped o2 sensors from side to side. have done smoke test and no vaccum leaks. oil has been changed on scheduale and is running synthetic oil.vvt is functioning correct...
August 07, 2013
2000 Land Rover Range Rover SE 4.0L MIL Lamp on, random misfire bank VIN: SALPV1542Y
P0303: misfire cylinder 3. The problem has never happened for us, customer states it happens most often with engine not fully warmed up, and does not happen when engine is hot. We suspect it is coils but they do not fire all on one side. So what am I missing here. Thanks for the help. B...
August 09, 2013
1998 Ford Ranger XL 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1FTYR14C2W
P0303: miss cyl 3. I found denso plugs in this ford and could not verify their correct application through any of our local parts stores.Installed correct autolights and new cables on all 8 plgs.My need or question here is the functionality of this 4 cylinder ignition .8 plugs,2...
August 20, 2013
1998 Ford Ranger XL 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1FTYR14C2W
P0303: miss cyl 3. I found denso plugs in this ford and could not verify their correct application through any of our local parts stores.Installed correct autolights and new cables on all 8 plgs.My need or question here is the functionality of this 4 cylinder ignition .8 plugs,2...
August 21, 2013
2000 Audi A6 Quattro 4.2L Random misfire VIN: WAUZL64B0Y
P0303: Cyl. three misfire. Engine runs smoothly just after start up cold (three-four seconds) Then it begines to misfire and run poorly. Engine is low on power. As the engine warms up it begine to run better but still has a slight misfire at idle. When it is test driven and het at WOT (...
August 27, 2013
2000 Audi A6 Quattro 4.2L Random misfire VIN: WAUZL64B0Y
P0303: Cyl. three misfire. Engine runs smoothly just after start up cold (three-four seconds) Then it begines to misfire and run poorly. Engine is low on power. As the engine warms up it begine to run better but still has a slight misfire at idle. When it is test driven and het at WOT (...
August 28, 2013