This is a discussion on longtubes within the External Engine forums, part of the LSx Technical Help Section category; Got my longtubes on and the got a service engine light a few miles later. Cause of this?...
06-08-2007, 06:57 PM #1
Got my longtubes on and the got a service engine light a few miles later. Cause of this?
06-08-2007, 10:53 PM #2
need more info and the best info would be to have the codes read at a parts store ( it's free). that'll tell you exactly what's up.
06-09-2007, 04:21 AM #3
are you sure you hooked the front 02 sensors back in? And as for the rear 02s did you plug those in or are they disconnected or did you install sims.
what type setup did you go with? LTs, ORY, catless???
when installing headers if you went catless you should do:
1.)front 02s--need extensions to make them fit, and they must be plugged in
2.)rear 02s--need sims, or tune them out.
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