Chrysler 300, 300C & 300C SRT-8 The flagship of the Chrysler lineup offers the driver every bit of class of any European luxury sedan, combined with the availability of the Hemi, the engine which dominated the American Muscle Car Era

random misfire p0300

  #1  
Old 08-16-2011, 11:53 AM
Junior Member
Thread Starter
Join Date: Aug 2011
Posts: 3
Default random misfire p0300

I have a chrysler 300 in my shop it has a p0300 code in it . So far we replaced egr valve and tube intake gaskets , plugs and coils ect sensor 5 motor vacs due to heavy sludge build up, cleaned throttle plate it only runs rough at idle . In closed loop
 
  #2  
Old 08-16-2011, 09:07 PM
CHRYSLER TECH's Avatar
Super Moderator
Join Date: Mar 2006
Location: Norcross GA
Posts: 8,108
Default

on your scanner which cyls are missing and how bad what engine size and year is this

Plus at your shop? u dont have a ASE master tech there?
 
  #3  
Old 08-16-2011, 09:37 PM
Senior Member
Join Date: Dec 2010
Location: NE PENN
Posts: 992
Default

I seem to remember a TSB for this.....

Rotating the valves, combustion chamber cleaner, and beating the snot out of it...?????

But I cant seem to find it.....
 
  #4  
Old 08-17-2011, 09:11 AM
Junior Member
Thread Starter
Join Date: Aug 2011
Posts: 3
Default p0300 on a 2005 chrysler 300

i did a combustion cleaner no there is no master tec here its a multiple cyl misfire the car just shakes at idle mil flashes then pops on can i drill a small hole in throttle plate cuz as soon as u raise idle a bit it smooths out
 
  #5  
Old 08-17-2011, 02:00 PM
CHRYSLER TECH's Avatar
Super Moderator
Join Date: Mar 2006
Location: Norcross GA
Posts: 8,108
Default

u do what u want to your cust car and hope it does not backfire in your face.
 
  #6  
Old 08-18-2011, 08:23 AM
Junior Member
Thread Starter
Join Date: Aug 2011
Posts: 3
Default

what kinda advise is that kevin ive tried everything under the sun valve cleaning 5 motor vacs egr valve andtube plugs all coils intake gaskets temp sensor o2 sensors even had it at the dealer and besides the hole can be covered up with a dab of jb weld or silicone if i do it this is a used car shop and the car was here when i got this job the hole would be in front of map-maf sensor so it wont get detected by ecm im no retardt been in the business for 20 years my boss dont wanna put any more cash in to this piece of junk i was looking for an answer not a sarcastic comment so if u can help fine i have no problem payin fees so if u feel u can help please do so thanks
 
  #7  
Old 08-18-2011, 11:20 PM
CHRYSLER TECH's Avatar
Super Moderator
Join Date: Mar 2006
Location: Norcross GA
Posts: 8,108
Default

do u not have a good enough scanner to tell which one is missing and how bad it is missing? what year 300 as for hack jobs I cant and wont help with any of that BS that's why I said u do what u want in that regards I want no part of it.

What biz have u been in for 20 years?
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
frayserboy4ever
Chrysler 200 & Sebring
1
01-27-2012 03:17 PM
l.g0883
Chrysler 200 & Sebring
4
10-24-2011 12:56 PM
optimusprimer
Chrysler Aspen
5
07-23-2009 10:33 PM
JJParr
Cirrus & Breeze
1
11-08-2007 09:09 AM
abiffmaster
300M, Concorde, LHS, New Yorker
0
08-28-2007 11:00 AM


Thread Tools
Search this Thread
Quick Reply: random misfire p0300


Advertising
Featured Sponsors
Vendor Directory

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 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.