P0303 Diagnostic Trouble Code Discussion for June 2018
Cylinder 3 Misfire Detected
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| Help Request | Posted | |
| 2008 Cadillac STS 3.6L no communication VIN: 1G6DK67V08 P0303: cyl 3 misfire detected. Changed oil and filter, noticed check engine light on so I hooked up Snap-on Solus Ultra, read engine codes and then cleared codes. Message on Instrument panel of theft attempted, then several others like check airbag, check suspension, then instrument pan... |
June 04, 2018 | |
| 2008 Hyundai Santa Fe GLS 2.7L Misfire VIN: 5NMSG13D48 1)i pulled injectors & replaced all injectors with bwd pn63875 i replaced all spark plugs ngk pn lfr5a-11 (6376). I then swapped the coils front to rear bank-ran same misfire & codes. 2)replaced the three rear injectors with gp pn 800-1501n, checke... |
June 14, 2018 | |
| 2008 Hyundai Santa Fe GLS 2.7L Misfire, MIL Lamp on VIN: 5NMSG13D48 1)pulled & replaced all injectors & spark plugs (non oem) & swapped b1 (under intake) with b2, just in case-cleared dtc's &results were great, but for only @1 minute, then same dtc's 2) pulled & inspected fuel rails & psi/volumn &... |
June 14, 2018 | |
| 2008 Hyundai Santa Fe GLS 2.7L Misfire, MIL Lamp on VIN: 5NMSG13D48 1)pulled & replaced all injectors & spark plugs (non oem) & swapped b1 (under intake) with b2, just in case-cleared dtc's &results were great, but for only @1 minute, then same dtc's 2) pulled & inspected fuel rails & psi/volumn &... |
June 15, 2018 | |
| 2005 Mercedes-Benz clc350 3500CC Misfire P0303: misfire no 3 cylinder. starts on 6 cylinders,as it warms up miss developes,constant miss at operating temp, checked,has injector pulse, ignition spark at coil,comprssion 155lbs ,vaccum 20inch,engine ecu check for correct operation,coils swaped,and injectors swaped around,fuel pr... |
June 17, 2018 | |
| 2005 Dodge Magnum SXT 3.5L MIL Lamp on VIN: 2D4FV48V55 P0303: 3 cylinder missfire. You will not feel this car misfire but the 2 codes will show up every time on the second failure. It all started with a trans. shudder going into overdrive. This is a NAG tranny. The customer agreed to replace the tranny with a used unit knowing this may not b... |
June 18, 2018 | |
| 2009 Honda Accord EX 2.4L Misfire VIN: 1HGCP25759 P0303: misfire 3. First, thank you to everyone who reads this long post and any help you can give. I am lost on this one. This has been going on for awhile. Customer complained of no power at times, intermittent. I installed a battery and clean the grounds. Ran a redundant ... |
June 22, 2018 | |
| 2011 Audi Q5 Premium Plus 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1DKAFP9B P0303: Misfire 3 cylinder. Car came from another shop that put plugs in it and asked us to perform walnut blast service because they felt it was all carboned up, we did service and it made no difference. Car has misfire codes on all cylinders and fuel trim codes on all cylinders, no... |
June 25, 2018 | |
| 2011 Audi Q5 Premium Plus 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1DKAFP9B P0303: Misfire 3 cylinder. Car came from another shop that put plugs in it and asked us to perform walnut blast service because they felt it was all carboned up, we did service and it made no difference. Car has misfire codes on all cylinders and fuel trim codes on all cylinders, no... |
June 26, 2018 | |
| 2007 Ford Escape Limited 3.0L Misfire, MIL Lamp on VIN: 1FMCU94197 P0303: Cylinder Number 3 Misfire Detected. ... Ford. I am working on my family members Escape. p0303 miss fire code. I have swapped coils and plugs still misfire. the coil has been replaced with oem. My question is are ECM common failure on these. It feels like a ignition miss fire but I really do... |
June 26, 2018 |
