Dodge ram 1500 V6 P0304 is misfire on cylinder #3

75

Asked by Feb 22, 2014 at 11:50 AM about the Dodge Ram 1500

Question type: Maintenance & Repair

I'm throwing a P0304 code, which is misfire on cylinder #3, I've swapped out the coil pack with the one from cyl #5 and still get the same code, so it's not the coil pack.  What are the other issues it could be?

7 Answers

222,995

Wiring to the coil or spark plug.

3 out of 3 people think this is helpful.
75

replaced the plug, didn't fix the problem.

1 out of 1 people think this is helpful.
340

I just resolved a similar issue with my 2011 Chrysler Town & Country Limited with the 3.6L Pentastar engine. It turned out to be a known factory defect in one of the heads causing the MISFIRE CYL 2 codes and the flashing CHECK ENGINE light. There is no recall, but when i brought it in, the dealership immediately checked to make sure they had the replacement parts in stock and fixed it free of charge. Apparently, my engine was one of a lot of 7500 produced early in 2011 that had a manufacturing defect in one of the heads (made in Mexico). The problem has been eliminated at the manufacturing plant, but those engines are showing up with the problems after about 40K miles. I was, like I am sure you, hoping for a simple fix I could do myself. It was much more serious than I thought, but there were not than many engines affected (7500 out of 2.1 million made that year). I recommend you take it to your closest Dodge dealership and verify the problem before you damage anything or get stuck somewhere.

75

So I put a new spark plug into cyl 3 and it was still misfiring, turned out it was now cyl 4 misfiring. So I replaced all the plugs and dumped a bottle of fuel injector cleaner in there and no longer have a misfire!

1 out of 1 people think this is helpful.
61,105

Yes, P0304 is the trouble code for a misfire on cylinder #4. P0303 would have been for cylinder #3. HTH. -Jim

1 out of 1 people think this is helpful.
Best Answer

having the same issue with my truck i know this is old but wondering if you remembered what the problem is i think its something with the injector cause it doesnt sound healthy

61,105

Joshua, start a new thread. You'll get much better visibility and more answers that way. -Jim

Your Answer

Add photo

Related Questions

Ram 1500

Looking for a Used Ram 1500 in your area?

CarGurus has 12,833 nationwide Ram 1500 listings starting at $1,995.

ZIP:

Search Dodge Ram 1500 Questions

Dodge Ram 1500 Experts

#1 Dan Connell
Dan Connell
Reputation 5,770
#2 pudgybear
pudgybear
Reputation 5,390
#3 dandyoun
dandyoun
Reputation 5,030
View All

Related Models For Sale

Used Ford F-150
2,690 Great Deals out of 212,354 listings starting at $1,000
Used Chevrolet Silverado 1500
2,290 Great Deals out of 155,163 listings starting at $1,395
Used Ram 1500
1,195 Great Deals out of 115,424 listings starting at $6,995
Used Dodge Ram 2500
152 Great Deals out of 5,500 listings starting at $2,500
Used GMC Sierra 1500
939 Great Deals out of 62,274 listings starting at $1,395
Used Toyota Tundra
584 Great Deals out of 30,729 listings starting at $2,637
Used Toyota Tacoma
619 Great Deals out of 35,127 listings starting at $2,155
Used Dodge Charger
357 Great Deals out of 29,619 listings starting at $2,475
Used Dodge Dakota
122 Great Deals out of 4,297 listings starting at $1,495
Used Ford F-250 Super Duty
398 Great Deals out of 45,077 listings starting at $2,000
Used Dodge Challenger
222 Great Deals out of 24,813 listings starting at $7,988
Used Nissan Titan
223 Great Deals out of 16,972 listings starting at $3,999
Used Ford Mustang
362 Great Deals out of 44,486 listings starting at $1,000
Used Dodge Ram 3500
96 Great Deals out of 2,311 listings starting at $5,999
Used Chevrolet Camaro
282 Great Deals out of 38,299 listings starting at $1,250