Chevrolet Forum - Chevy Enthusiasts Forums

Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Running rough

Thread Tools
 
Search this Thread
 
Old May 26th, 2012, 1:12 PM
  #1  
CF Beginner
Thread Starter
 
czoucha's Avatar
 
Join Date: May 2012
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default Running rough
Hey guys,

Just wanted to clarify I'm getting an P0300 code and P0420 code.
I know the 420 is cat eff below thershold drivers side.
My question is if this cat is bad will it give me this P0300 code or do I have another issue? Any help would be appreciated.
czoucha is offline  
Reply Like
Old May 28th, 2012, 10:11 AM
  #2  
CF Beginner
 
mars41072's Avatar
 
Join Date: May 2012
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default
Yes it will give you a p0300 a clogged cat can cause a misfire and the p0300 is a random misfire code.hope this helps
mars41072 is offline  
Reply Like
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
2.2L 5-speed running rough, please help!!
sittinlow88
S-10 & Blazer
4
November 5th, 2021 5:08 PM
Running rough/rough idle
macmommy
Tahoe & Suburban
10
April 22nd, 2020 1:23 PM
cavalier running rough
Jro
Cavalier
1
October 14th, 2007 2:16 AM
Engine: Running rough
350Boy
Other
4
April 8th, 2007 10:51 PM
89 caprice running rough
btotheh33
Caprice
0
March 11th, 2007 3:30 AM
Tags
Back to Subforum
Tahoe & Suburban
View Next Unread
1997 Tahoe low threshold bank two




Advanced Search
Quick Reply: Running rough


Reply Closed Thread Share

All times are GMT -5. The time now is 7:17 PM.