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P0303 Diagnostic Trouble Code Discussion for June 2017

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2012 Honda Odyssey LX 3.5L Misfire, MIL Lamp on VIN: 5FNRL5H64C
P0303: cyl. 3 misfire. Customer was in 6 months ago p0303, plug was full of oily carbon build up, sent to dealer to have piston ring recall done, was fine till now. came in with misfire cylinder 1-3 misfires. R&R plugs they are clean, smoke test no leaks found. Road test vehicle...
June 06, 2017
2009 Honda Civic LX 1.8L Misfire VIN: 1HGFA16519
P0303: cylinder 3 misfire. Have cylinder 4 and random misfire intermittently, more pronounced under load, no power. Will get other cylinders to code as well intermittently. Adjusted valves, installed new coils and spark plugs in all cylinders. Performed cylinder leak down test, all cyli...
June 14, 2017
2001 Toyota MR2 Spyder 1.8L Misfire VIN: JTDFR32001
P0303: Cylinder 3 Misfire Detected. This vehicle has a cylinder 3 misfire at idle (occasionally intermittent) seems to go away at 1800rpm. This is a 4 cylinder engine but the Spyder has 2 front o2's, bank 2 is -20 Fuel trim (combined) It came to us from another shop who threw a lot of parts at i...
June 21, 2017
2014 Chrysler Town & Country Touring 3.6L Poor Idle Quality VIN: 2C4RC1BG3E
P0303: misfire cylinder 3. vehicle has misfire at idle, does not matter cold or hot engine. watched misfire counters and misfire happens in park, neutral or drive. worse in neutral. does not happen in reverse. swapped coils and plugs, misfire stays with cylinder. performed compression a...
June 26, 2017
2005 Hyundai Accent GLS 1.6L MIL Lamp on VIN: KMHCG35C35
P0303: Cylinder 3 Misfire Detected. ... p0300 p0302 p0303 p0304 and his hard to starts but only one time every 2 months the car is well maintened by us new plug new eom wire .my question is is it possible that the crank sensor gave a bad signal sometime, or is it...
June 26, 2017