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Jay351 · 08-05-2007, 08:12 PM

He ment when an o2 sensor goes bad it can effect gas milage pretty significly ( around 5mpg )
You can get one from www.sparkplugs.com for pretty cheap, I got my NTK for 38us or so.

But I would slap on a cheap cat at the same time, magnaflow's are pretty cheap.

Drew303:

I ment the rattle might be his timing chain, but since he sprayed the front of the engine down and it stopped, I would assume its not..

Sorry if I wrote it confusingly. (is that a word?)

08-05-2007, 08:12 PM	#17 (permalink)
Jay351 Contributing Member Join Date: Feb 2007 Location: maple ridge, British Columbia, Canada Posts: 8,640	He ment when an o2 sensor goes bad it can effect gas milage pretty significly ( around 5mpg ) You can get one from www.sparkplugs.com for pretty cheap, I got my NTK for 38us or so. But I would slap on a cheap cat at the same time, magnaflow's are pretty cheap. Drew303: I ment the rattle might be his timing chain, but since he sprayed the front of the engine down and it stopped, I would assume its not.. Sorry if I wrote it confusingly. (is that a word?) __________________ 91 Pickup - xcab - 5sp - 3.0 - SR5 - 4x4 - 250k \|2.25" catback w/ magnaflow cat + glasspack \| Weasy2k cams \| Aisin manual hubs \| Diff breather mod\| Marlin HD clutch \|3" BL \| es3000's \|2" AAL \|1.5" bj spacers \| ISR \| Alpine headunit \| 4" Infinity fronts/5" rears \| 4.88's \|Rear lockright \| 33x12.50" BFG M/T on 15x8" steelies \|Hella 500's \|4" reverse lights\| Grant GT \|idler arm brace\|hella E-codes\| Marlin armor \|SS IFS brace \| %100 Amsoil synthetic http://www.cardomain.com/ride/2572486