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I have a 2006 f350 srw with the 5.4 yawn my question is while trying to smog my truck I’m being told I should have 3 catalytic converters when in fact I only have two had this truck since new never changed anything even the parts man says it only had two but the service man said nope can’t smog it is anyone else in the this great state of California having this problem.

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My  2001 F150 5.4L has 4 Cats total, 2 in each bank. You are probably going to have to get some info from Ford, and then go to a Referee, which sucks.

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2 hours ago, traxiii said:

My  2001 F150 5.4L has 4 Cats total, 2 in each bank. You are probably going to have to get some info from Ford, and then go to a Referee, which sucks.

I’ve heard the F150 had that many but the f250,s and 350,s only had two sometimes 3 depending on weight reached out to the California air resources board and as usual nothing from them tax dollars well spent did get get it smogged from a old timer who said most only came with two 

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