View Full Version : Bad Cat causing bad mpg?
Bothe
06-28-2012, 05:12 PM
The cat converter on my 98 makes a loud like pinging noise when im in idle. I only get 9mpg so I was think that possibly my converter could be clogged? I guess i have two questions.
1: Is it possible that the converter could be causing my bad mpg?
2: Does that pinging sound mean anything or is it normal?
kozal01
06-28-2012, 05:16 PM
Ive never heard of a cat making noise but a bad cat will absolutely ruin your mileage.
cowboyupcuzick
06-28-2012, 05:22 PM
I agree ^^^ a clogged cat will kill your mpgs but I've never heard of it making noises..
blue 1994 f150 5.8L on 35in Goodyear wrangler MT/R's, cold air intake, flowmaster exhaust
Bothe
06-29-2012, 12:07 PM
I'll take a video of it later an post it so you guy can hear it. It maty be normal, but it just sounds strange to me an I'm not 100% that's where it's coming from, but when I put my head under there it sounds like its coming from that.
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