Cyl 5 Misfire. P0305. Help! - DodgeForum.com

Go Back  DodgeForum.com > Dodge Cars > Dodge Charger
Reload this Page >

Cyl 5 Misfire. P0305. Help!

Dodge Charger The Dodge Charger. The car that made its competitors shiver in the 60's is reborn in 2006 into a sleek sedan that can still send the competition home wimpering, the Dodge Charger.
Sponsored by:
Sponsored by:

Cyl 5 Misfire. P0305. Help!

  #1  
Old 11-26-2012, 03:17 AM
californian1
californian1 is offline
Registered User
Thread Starter
Join Date: Nov 2012
Location: California
Posts: 17
Default Cyl 5 Misfire. P0305. Help!

Hi all, first off. I have a 2009 Dodge Charger (SE, 3.5L)

It's been probably a month now since this headache has started.

First sign was slight diff in idle. Husband said I was imagining it. Check engine light came on soon after I told him. Code is P0305, cylinder 5 misfire.

I really cannot afford to simply take it to the shop and have them mess with this esp if it's not something that takes one shot to fix.

We've done a tune up, (new spark plugs, etc).
EGR Valve as I was convinced that would work, (my symptoms match bad EGR valve to a T!)
Cleaned throttle body
switched coils 5 & 6

all to no avail. I really just want it fixed. I'm at a loss as to what to do. Can't keep guessing and spending $ thinking it will be fixed. Not only this, but husband really can't just keeping taking the car apart, and he HATES messing with it.

Please help! Any car guru that can help.
(SN, no warranty as I'm the second owner..)
 

Last edited by californian1; 11-26-2012 at 04:53 PM.
  #2  
Old 11-28-2012, 12:59 AM
californian1
californian1 is offline
Registered User
Thread Starter
Join Date: Nov 2012
Location: California
Posts: 17
Default

Well in case this could help anyone.

After the last attempt (EGR valve), finally got husband to check compression. Rented a tester and all were 165-170 MINUS #5 (the one the misfire is on). That one is only 65! Friend who is a mech. at Dodge walked husband through what to check out after that. Come down to it, the rocker arm shaft (I think that's it) is broken. There's a gap and it's preventing it from moving correctly. So apparently that's the problem for the noise. There's a video on youtube, sounds similar to my vehicle as well.


Will update..
 
  #3  
Old 11-28-2012, 02:00 PM
steak59
steak59 is offline
Record Breaker
Join Date: Dec 2010
Posts: 1,873
Default

If you guys are replacing the Rocker Shaft, make sure BEFORE you put everything back on the car, Run the Compression test AGAIN.
just speaking from experience, most of the time the Rocker shaft noise is a separate problem from Low Compression. Sorry if I upset you.
 
  #4  
Old 11-29-2012, 12:28 PM
californian1
californian1 is offline
Registered User
Thread Starter
Join Date: Nov 2012
Location: California
Posts: 17
Default

No no, you didn't upset me. Thanks for the tip. I'll make sure to tell my husband this. I'm afraid after all this, there's still something wrong. We'll be receiving the rocker shaft next week. Our friend who's been walking my husband through this and advising him, said the rocker shaft could be affecting the misfire because the valve is sitting wrong due to the rocker shaft.
 
  #5  
Old 12-18-2012, 02:10 PM
96stroker
96stroker is offline
Registered User
Join Date: Sep 2012
Posts: 2
Default

Wondering if this problem has been resolved? I have the exact same symptoms on my 08 Charger and have done the plugs, EGR valve, fuel injectors, etc and still have the P0305 code and half the compression on cylinder #5. I aldo have the loud ticking from that side of the motor so I'm thinking of replacing the rocker assemblies now before going all out on a new motor. Thanks
 
  #6  
Old 12-19-2012, 12:49 AM
steak59
steak59 is offline
Record Breaker
Join Date: Dec 2010
Posts: 1,873
Default

a bad rocker usually don't cause 50% lost in compression. All you need to do is a leak down test. Most likely you have bad valve, guide, or seat.
It is better to just send the Cylinder head to a machine shop than replace the motor.
 
  #7  
Old 12-26-2012, 12:34 PM
96stroker
96stroker is offline
Registered User
Join Date: Sep 2012
Posts: 2
Default

Well, great news, the rocker fixed it! I attached a couple pics for you showing how the rockers had chewed into the aluminum in front of it and got almost locked into place thus not closing the valves on cylinder # 5. I swapped out the part and the car runs great now. Easy job too.
 
Attached Thumbnails Cyl 5 Misfire. P0305. Help!-rocker1.jpg   Cyl 5 Misfire. P0305. Help!-rocker2.jpg  
  #8  
Old 01-27-2013, 01:06 AM
californian1
californian1 is offline
Registered User
Thread Starter
Join Date: Nov 2012
Location: California
Posts: 17
Default

Update all.. Had the head taken to the machine shop. There was a knick in the head? And cylinder 5 valve guide was bent. So with a new rocker assembly and head all fixed I hope to not have any problems again! 1200$ later it's fixed.
 
  #9  
Old 12-31-2018, 03:07 AM
Shabazz
Shabazz is offline
Registered User
Join Date: Dec 2018
Posts: 1
Default Good price

I was quoted 2400 to have this fix done in La. where did you get yours done
 

Thread Tools
Search this Thread
Quick Reply: Cyl 5 Misfire. P0305. Help!


Featured Sponsors

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

© 2018 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: