I have a 2005 dodge ram 1500 4.7 144xxx

Asked by Mar 15, 2017 at 12:10 AM about the 2005 Dodge Ram 1500 ST Quad Cab 4WD

Question type: Maintenance & Repair

Upon starting it backfires slightly idels fine sounds
great after backfire then when I drive it shakes
sounds like it has exhaust leak but checked it's fine
codes read random misfire and misfire cylinder8
replaced plugs and all 8 coil packs cleared codes
still does the same thing runing premium fuel and
injector cleaner through it now at mimium power
seems fine until u hot the gas then the shaking and
misfires  start any help would be awesome

2 Answers

90,735

Possible causes; Faulty spark plug (s), Faulty ignition coil (s), Clogged or faulty fuel injector (s), Intake air leak, Fuel injectors harness is open or shorted, Fuel Injectors circuit poor electrical connection, Ignition coils harness is open or shorted, Ignition coils circuit poor electrical connection, Insufficient cylinders compression, Incorrect fuel pressure.

not firing on #4? mine is doing same thing turned out a stretched timing chain. good in the pedal but at an idle misses . do you have noise like rocker arm clicking could have a valve stuck down also

Your Answer:

Dodge Ram 1500 Experts

  • #1
    Dan Connell
    Reputation
    7,310
  • #2
    pudgybear
    Reputation
    7,090
  • #3
    dandyoun
    Reputation
    6,740
View All

Related Models For Sale

Used Ford F-150
102 Great Deals out of 12,341 listings starting at $352
Used Chevrolet Silverado 1500
82 Great Deals out of 9,460 listings starting at $3,995
Used Dodge Ram 2500
67 listings starting at $3,500
Used GMC Sierra 1500
58 Great Deals out of 8,820 listings starting at $4,499
Used Toyota Tundra
27 Great Deals out of 1,528 listings starting at $5,200
Used Toyota Tacoma
24 Great Deals out of 1,585 listings starting at $6,858
Used Dodge Charger
31 Great Deals out of 885 listings starting at $3,995
Used Ford F-250 Super Duty
12 Great Deals out of 856 listings starting at $1,500
Used Chevrolet Colorado
13 Great Deals out of 2,007 listings starting at $3,995
Used Dodge Dakota
139 listings starting at $4,495
Used Ford Mustang
50 Great Deals out of 1,531 listings starting at $2,900
Used Nissan Titan
19 Great Deals out of 945 listings starting at $4,800

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. Content will be removed if CarGurus becomes aware that it violates our policies.