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P0303 Diagnostic Trouble Code Discussion for November 2013

Cylinder 3 Misfire Detected

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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2004 Kia Spectra GS 1.8L Poor Idle Quality, MIL Lamp on VIN: KNAFB16164
P0303: Cylinder 3 Misfire Detected. car is hard to start wants to stall. will not idle hot or cold . When you get it going it performes good on the road at highway speeds. first checked plugs they where in bad shape ,changed plugs no better. checked fuel pressure 50 psi. checked timing belt for ...
November 04, 2013
1998 Honda Accord EX 2.3L Misfire VIN: 1HGCG5650W
P0303: Cylinder 3 Misfire Detected. thanks for reading this, the car came in running bad at times. test drove with customer and sure enough when it got warm it skipped. We preformed a good tune up plugs, wires, cap and rotor. On test drive it would misfire at times so we cleaned injectors, and t...
November 05, 2013
2008 Mazda CX-7 Touring 2.3L Misfire VIN: JM3ER293X8
P0303: 3 cyl missfire. Are there known problems with fuel injectors on this engine? This #3 Missfire is very intermittent and customer claims it occurs at idle in gear. Afer driving for 5 minutes or so after vehicle sets for 1-4 hours
November 05, 2013
2008 Mazda CX-7 Grand Touring 2.3L Poor Idle Quality, Misfire VIN: JM3TB29L28
P0303: cylinder 3 misfire. ... this car! Originally came in as a wait and found 2 codes, p0401 and p0303. I noticed no skip on a road test Replaced egr valve and solved p0401. The code p0303 came back in 25 miles. At the time,I couldn't duplicate a skip and couldn't see a misfire with t...
November 06, 2013
2000 BMW 328i 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBAAM5332Y
P0303: Misfire cyl. 3. This E46 is driving me crazy. The car runs perfectly when cold, it only acts up once it gets into closed loop. It has misfire codes for cylinders 1,2 & 3. The O2 sensor voltage on bank 1 remains near 0 volts when the car is acting up. It seems like a simpl...
November 07, 2013
2002 Subaru Forester L 2.5L Surge, Misfire VIN: JF1SF63592
P0303: Cylinder 3 Misfire Detected. ... 20B0 and 20B1 did not find in alldata or iatn archives. scanner gives no discription.the codes for p0304 p0303 I belive that is bad coil.trying to cover all basis before fix. thanks.
November 08, 2013
2001 Mazda Tribute ES 3.0L Hesitation, Surge, Misfire, MIL Lamp on VIN: 4F2CU08141
P0303: Cylinder 3 Misfire Detected. At a loss. Checked fuel system,vacuum leaks,ignition system,egr. All systems passed test. The missfire seems to come and go. Feels like a surge in gear at a stop. When cruising at 50-55 mph no misfire detected. Any help would be appreciated...thinking possibly...
November 22, 2013
2002 Dodge Ram 1500 Van 5.2L Misfire VIN: 2B7HB11YX2
P0303: Cylinder 3 Misfire Detected. I have tested everything I can think of.At an idle only the engine misfires on cylinders #3 & #4 . Off idle runs great,no misfires.I have smoked engine for vacuum leaks and repaired the evap hose at throttle body with no change.Tested fuel quality and alco...
November 23, 2013