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P0303 Diagnostic Trouble Code Discussion for October 2008

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2000 Ford F-150 XL 4.2L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FTZF1720Y
P0303: Cylinder 3 Misfire. As Above. Problem still exists,seems to smooth out above 3000rpm and misses bad below it.Check Engine light not re-flagging att.Any help appreciated guys.This is a good commertial account I don,t wany too lose. Thanks
October 01, 2008
1999 Honda Accord EX 3.0L Stall, Misfire, MIL Lamp on VIN: 1HGCG225XX
P0303: Cylinder 3 Misfire Detected. Vehicle has all cylinders misfiring randomly ICM checks ok,coil ok, all power and grounds good,
October 01, 2008
1999 Honda Accord EX 3.0L Stall, Misfire, MIL Lamp on VIN: 1HGCG225XX
P0303: Cylinder 3 Misfire Detected. Vehicle has all cylinders misfiring randomly ICM checks ok,coil ok, all power and grounds good,
October 02, 2008
1997 Honda Accord EX 2.7L Misfire VIN: 1HGCE6674V
P0303: Cylinder 3 Misfire Detected. ... misfire.Customer has driven vehicle for two weeks and came back with p0305, p0303, p1300, Vehicle does not "kick light" on imediatley, vehicle also has a slight miss at idle
October 07, 2008
1998 Subaru Forester L 2.5L No Start VIN: JF1SF6359W
P0303: Cylinder 3 Misfire Detected. Hey subaru Techs, I have customer with a weird problem last week. She drove it to the shop last week with a stalling problem. i've started the engine after several hours of sitting outside, drove it into the shop and it stall right when I got it into the shop...
October 09, 2008
2000 Ford E-250 Econoline 5.4L Misfire VIN: 1FTN524L6Y
P0303: Cylindrer 3 misfire. Thank you in advance for reading this. We have a 2000 E250 that misses on cylinder 3 all the time. Should be easy enough, not quite. First I swapped in a new coil, no change. Then I swapped cylinder 3 and 4 coils, and plugs, no change. Checked for vacuum leaks...
October 15, 2008
2001 Acura TL 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 19UUA566X1
P0303: Cylinder 3 Misfire Detected. ... counts up many misfires at approximately 1500 rpm and higher. With codes p0301 po303 p0304 p0306. While at Idle it is just slightly shaky and its not really noticeable without watching the counter or the MIL turning on. But ...
October 16, 2008
1999 Honda Accord EX 2.3L Poor Idle Quality VIN: 1HGCG65851
P0303: Cylinder 3 Misfire Detected. Hello all and thanks in advances for reading this this car is running badly on cold starts only, let it run for abit and it smoothes right out. When its running badly my vacume gauge is at 10" and needle is bouncing around like a valve issue. You can see c...
October 16, 2008
1997 Mercedes-Benz E420 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDBJF72F2V
P0303: misfire cyl 3. without a star machine im alittle perplexed. cyliders misfire on bank one only. when the vehicle arrived it had champion copper plugs in it. naturally i replaced them with bosch plats. scoped coils, no faults. scoped injectors, no faults. swapped coils and inj...
October 18, 2008
2000 Ford Contour SE 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FAFP66Z3Y
P0303: 3 misfire. I am at my wits end here, the only thing i have not checked is the ground, that i cant find in the trunk area that ground the driver for the fuel pump, does any body know were this is, i dont think its a ground problem any way because i suuplied my own ground ...
October 24, 2008
2000 Ford Ranger XL 3.0L Misfire, Eratic oil pres gage VIN: 1FTYR14V2Y
P0303: pending Cyl 3 Misfire. ... complaint/DPFE faulty. Also found EVR filter badly plugged. Replaced DPFE & EVR, sent on it's way. Vehicle returned 2 weeks later with complaint of poor run & erratic oil pressure gauge. Customer states problem is intermittent in nature, and when ...
October 26, 2008
2002 Ford E-250 Econoline 5.4L Misfire, MIL Lamp on, NO POWER CAT CLEAN VIN: 1FTNE24L62
P0303: missfire. problem was light to med. missfires on acelaration.with codes.plugs, and related coils were replaced. fuel filter was plugged. after repair due to time, found fuel press.not per. spec.and not holding.press.is going too high[over55-70plus]. have done press. reg...
October 27, 2008
2002 Volkswagen Passat GLX 4 Motion 2.8L Misfire VIN: WVWTH63BX2
P0303: Misfire cyl 3. ... P0305,P0303,P0301 (cyl 5,cyl 3,cyl 1 misfire). Misfires disappear once operating temperature reached. Engine vacuum at idle is 15" Hg during cold engine misfire. Vacuum needle bounces slightly. Engine vacuum increases to 18&...
October 27, 2008