Does a clogged cat really hurt fuel economy??
#1
Registered User
Thread Starter
Join Date: Mar 2005
Location: Nevada
Posts: 2,615
Likes: 0
Received 0 Likes
on
0 Posts
How bad does a clogged cat hurt fuel economy??
I don't know what it is... Since my last fill-up, I've only gotten 208 miles (50% highway) and the fuel needle is a little below the 1/4 mark!! I'm only getting like 12 mpg! What gives?? I've been driving it really good. So I'm going to do all the basic stuff: timing, fuel filter, etc. Also, I've really been wanting to get a 4" straight pipe exhaust soon. Not only for the sound , but also because I think it will help with the mpg. If my stock cat were clogged, would it really hurt my fuel economy this much?
#3
Registered User
Thread Starter
Join Date: Mar 2005
Location: Nevada
Posts: 2,615
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by infidel
Clogged cat will cause poor mpgs, lower power and high egts.
Most are clogged by 80k and become restrictive.
Get rid of it.
Most are clogged by 80k and become restrictive.
Get rid of it.
#5
Registered User
Join Date: Jun 2005
Location: South Arkansas
Posts: 88
Likes: 0
Received 0 Likes
on
0 Posts
First mod I did to my truck was to pull the junk factory exhaust and put 4" from the turbo to exit. If noting else cut it out and replace with a piece of pipe.
#6
Administrator
Remember, removing or tampering with Federally required smog emissions is both a State and Federal violation and can end up costing you in penalties and fee's.
DTR cannot support such activity and recommend that you simply replace the cat with a new.
Rich.
DTR cannot support such activity and recommend that you simply replace the cat with a new.
Rich.
#7
Registered User
Originally Posted by DieselDaze
Remember, removing or tampering with Federally required smog emissions is both a State and Federal violation and can end up costing you in penalties and fee's.
DTR cannot support such activity and recommend that you simply replace the cat with a new.
Rich.
DTR cannot support such activity and recommend that you simply replace the cat with a new.
Rich.
Trending Topics
#8
Registered User
Join Date: Jul 2003
Location: Alma, MI
Posts: 831
Likes: 0
Received 0 Likes
on
0 Posts
I had a cat that clogged on a ranger once. It caused the engine to slow down and finally over heat. I didn't know what was wrong so had it towed. I shop said that the cat had collapsed and they fixed it. I never thought that it would effect the engine that much, but they do.
Thread
Thread Starter
Forum
Replies
Last Post
EKUgrad
3rd Generation Ram - Non Drivetrain - All Years
9
05-15-2005 06:08 AM
CaughtinmyGrill
3rd Gen High Performance and Accessories (5.9L Only)
7
04-18-2005 05:46 PM