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  #1  
Old 02-20-2015, 05:47 PM
4.0beast 4.0beast is offline
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Default Cats

4.0 horrible fuel mileage 200km per tank could my cats be plugged and the engine light not come on?
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  #2  
Old 02-20-2015, 09:16 PM
Jswifto Jswifto is offline
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No
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  #3  
Old 02-20-2015, 09:18 PM
4.0beast 4.0beast is offline
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No what give me more of a anwser if you're going to comment
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Old 02-21-2015, 07:12 AM
Jswifto Jswifto is offline
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Actually I answered the question you asked. But try this also... When was the last time you did a tune up? Have you cleaned your fuel injectors and intakes? Have you cleaned the mass airflow? Have you had a data scan to see if anything is out of parameters? Have you even changed the air filter? And lastly how cold has it been where you are at?
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  #5  
Old 02-21-2015, 07:30 AM
4.0beast 4.0beast is offline
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Quote:
Originally Posted by Jswifto View Post
Actually I answered the question you asked. But try this also... When was the last time you did a tune up? Have you cleaned your fuel injectors and intakes? Have you cleaned the mass airflow? Have you had a data scan to see if anything is out of parameters? Have you even changed the air filter? And lastly how cold has it been where you are at?
Okay last tune up was 1000k ago. Plugs, wires, air filter, mass air cleaned, oil change, cleaned intake and tested injectors and yes I have hooked it up to a scanner and nothing has popped up.... And lately -5 Celsius
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Old 02-21-2015, 09:07 AM
97rangerstepside 97rangerstepside is offline
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Default Re: Cats

How's the performance of it? if the cats were plugged there would be a severe drop in power also.
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  #7  
Old 02-21-2015, 09:46 AM
4.0beast 4.0beast is offline
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It's okay not like when I first bought it I replaced the muffler do to carbon build up
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Old 02-21-2015, 09:53 AM
djfllmn djfllmn is offline
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Default Re: Cats

carbon build up will not roast a muffler...
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  #9  
Old 02-21-2015, 09:54 AM
Jswifto Jswifto is offline
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You see colder temps and winter blend gas equals lower fuel mileage. Do you let your truck warm up before driving?
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  #10  
Old 02-21-2015, 12:55 PM
cowboybilly9mile cowboybilly9mile is offline
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Default Re: Cats

Quote:
Originally Posted by 4.0beast View Post
It's okay not like when I first bought it I replaced the muffler do to carbon build up
The more I read crazy things like this on the interwebz, the more I fear for the future of mankind........
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  #11  
Old 02-21-2015, 05:27 PM
RagerTom RagerTom is offline
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Did someone say cats?
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  #12  
Old 02-21-2015, 06:21 PM
Lariat Lariat is offline
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Default Re: Cats

Gap your plugs correctly?
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  #13  
Old 02-21-2015, 09:10 PM
James R James R is offline
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Default Re: Cats

Quote:
Originally Posted by 4.0beast View Post
Okay last tune up was 1000k ago. ..... popped up.... And lately -5 Celsius
This is 1 million miles
Did you mean 1 million miles??
1000 x 1k = 1,000,000 - 1 million miles

Quote:
Originally Posted by sheltonfilms View Post
He is saying kilometers.
Thank you & many apologies sir...
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  #14  
Old 02-21-2015, 09:50 PM
sheltonfilms sheltonfilms is offline
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Quote:
Originally Posted by James R View Post
This is 1 million miles Did you mean 1 million miles?? 1000 x 1k = 1,000,000 - 1 million miles
He is saying kilometers.
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  #15  
Old 02-21-2015, 10:10 PM
4.0beast 4.0beast is offline
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Quote:
Originally Posted by sheltonfilms View Post
He is saying kilometers.
Thank you lol sorry forgot to say kilometres....... And yes gapped between what the specs where forget what they are at tho but I made sure gap was good
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