2001 3.0 CALIFORNIA Catalytic converter question
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2001 3.0 CALIFORNIA Catalytic converter question
I haver a 2001 3.0 ranger with 75,000 miles. It is great for zipping around town but has no power at top end. I did the fuel filter, cleaaned injectors, plugs and wires but to no avail. i took it to a reputable shop and they claim that i have 4 bad cats.
I have never had a check engine light.
I can see the logic in the back pressure froma faulty cat causing trouble.
How are cats tested?
Are they welded inplace?
do they all go bad at the same time?
do the O2 sensors need to be changed as well?
Any help you can give is appreciated.
John
I have never had a check engine light.
I can see the logic in the back pressure froma faulty cat causing trouble.
How are cats tested?
Are they welded inplace?
do they all go bad at the same time?
do the O2 sensors need to be changed as well?
Any help you can give is appreciated.
John
….
Post Fiend
Joined: Feb 2003
Posts: 6,940
Likes: 2
From: Eastern WA
Originally Posted by JKnSD
How are cats tested?
Originally Posted by JKnSD
Are they welded inplace?
Originally Posted by JKnSD
do the O2 sensors need to be changed as well?
