Misfire

Asked by Mar 05, 2017 at 07:17 PM about the 2010 Dodge Ram 1500 Laramie Quad Cab

Question type: Maintenance & Repair

My ram 1500 is showing misfire on cylinder 3.
Replaced all plugs,  replaced coil pack,  checked
compression is good.  Where do i go now, it's
actually a2011 model but no option for that year

1 Answer

73,175

P0303 DODGE - Cylinder Misfire Fault Detected...Possible causes; Faulty spark plug 3, Clogged or faulty fuel injector 3, Faulty ignition coil 3, Fuel injector 3 harness is open or shorted, Fuel injector 3 circuit poor electrical connection, Ignition coil 3 harness is open or shorted, Ignition coil 3 circuit poor electrical connection, Insufficient cylinder 3 compression, Incorrect fuel pressure, Intake air leak...The P0303 code means that the cylinder 3 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 3. If the problem persist more tests needs to be done to diagnose problem.

1 of 1 people found this helpful.

Your Answer

Dodge Ram 1500 Experts

  • #1
    Dan Connell
    Reputation
    6,390
  • #2
    pudgybear
    Reputation
    6,170
  • #3
    dandyoun
    Reputation
    5,570
View All

Related Models For Sale

Used Ford F-150
2,175 Great Deals out of 181,307 listings starting at $1,000
Used Chevrolet Silverado 1500
2,172 Great Deals out of 181,163 listings starting at $1,900
Used Ram 1500
967 Great Deals out of 115,532 listings starting at $6,499
Used Dodge Ram 2500
151 Great Deals out of 5,055 listings starting at $2,999
Used GMC Sierra 1500
801 Great Deals out of 67,481 listings starting at $1,350
Used Toyota Tundra
447 Great Deals out of 33,538 listings starting at $1,999
Used Toyota Tacoma
581 Great Deals out of 41,972 listings starting at $2,995
Used Dodge Charger
432 Great Deals out of 27,766 listings starting at $1,650
Used Ford F-250 Super Duty
353 Great Deals out of 43,440 listings starting at $975
Used Nissan Titan
207 Great Deals out of 19,497 listings starting at $2,300
Used Dodge Challenger
268 Great Deals out of 21,369 listings starting at $6,999
Used Dodge Dakota
116 Great Deals out of 3,649 listings starting at $1,650
Used Chevrolet Colorado
265 Great Deals out of 29,792 listings starting at $2,300
Used Dodge Ram 3500
84 Great Deals out of 2,164 listings starting at $4,993
Used Ford Mustang
760 Great Deals out of 41,955 listings starting at $1,300

Used Cars For Sale

2010 Dodge Ram 1500 Laramie Quad Cab For Sale
3 listings starting at $8,500
2009 Dodge Ram 1500 Laramie Quad Cab For Sale
3 listings starting at $14,923
2008 Dodge Ram 1500 Laramie Quad Cab For Sale
23 listings starting at $8,500
2007 Dodge Ram 1500 Laramie Quad Cab For Sale
17 listings starting at $8,350

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.