rough accelleration, but runs smooth at any speed held

Asked by Dec 16, 2014 at 09:27 PM about the 2003 Dodge Ram 1500 SLT Quad Cab SB

Question type: Maintenance & Repair

2003 1500 2WD, quadcab Shortbed, 4.7L V8.  Original Owner, it sat in Driveway 2009 while I was in Iraq, but otherwise is my prime vehicle.
at 150K miles new fuel pump - I had a shop replace this, it went out on a full tank too
at 160K miles new fan on AC heat exchanger - I did this myself
at 170K miles needed new ball joints - I had a shop do this
at 195K front hub bearings went I popped these out and replaced myself
at 198K brake line failed while parked at work, fluid drained out into parking lot  
today, at 201K it is running OK, but shutters accellerating, idles OK, hold constant speed OK, but at any speed, from 10 to 70mph it shutters if I accellerate 'mildly' have full power when I punched it briefly into passing gear, but shutters afterward trying to gently accel.
got home and used key to call up P-codes in Dash and got a P-0304
to be honest last 50K, it has been using oil, do not see drips on the pavement, but need to add oil between changes

1 Answer

299,905

P0304 is a misfire on Cylinder #4. Time to replace the plug, I'd do all of them. See if that helps, if not then replace the coil on that cylinder.

Your Answer:

Dodge Ram 1500 Experts

  • #1
    Dan Connell
    Reputation
    7,140
  • #2
    pudgybear
    Reputation
    6,860
  • #3
    dandyoun
    Reputation
    6,380
View All

Related Models For Sale

Used Ford F-150
2,355 Great Deals out of 199,739 listings starting at $1,300
Used Chevrolet Silverado 1500
1,835 Great Deals out of 159,055 listings starting at $1,200
Used Dodge Ram 2500
122 Great Deals out of 4,707 listings starting at $999
Used GMC Sierra 1500
819 Great Deals out of 60,466 listings starting at $1,495
Used Toyota Tundra
479 Great Deals out of 37,865 listings starting at $1,725
Used Toyota Tacoma
431 Great Deals out of 49,987 listings starting at $2,695
Used Ford F-250 Super Duty
473 Great Deals out of 37,714 listings starting at $1,999
Used Dodge Dakota
73 Great Deals out of 3,040 listings starting at $1,700
Used Nissan Titan
236 Great Deals out of 22,023 listings starting at $1,995
Used Chevrolet Colorado
285 Great Deals out of 39,188 listings starting at $1,500
Used Ford Mustang
308 Great Deals out of 40,433 listings starting at $1,000

Used Cars For Sale

2006 Dodge Ram 1500 SLT Quad Cab SB For Sale
5 Great Deals out of 100 listings starting at $4,200

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.