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06-09-2009, 07:04 PM #11
i bought this stuff from autozone called guaranteed pass, i put it in but havnt gone back yet to do the test you have to run it through a full tank first. i also went to my buddys shop on he ran an OBD1 diag. and nothing came up. yet everytime i jump on the freeway and get 90 mph+ the soft code hits.
its one big mess...
;(90' Chevy Silverado 1500
Suspension: Belltech 2" Drop Spindles
Paint/Body: Silver Metalic w/ Red & White pinstriping, steel cowl induction hood, custom billet grille
Interior/Electronics: Under Construction
Wheels/Tires: American Racing Chrome Baja 17x8 / Wrapped in TOYO Proxes ST II
Engine/Trans/Perf: EFI 5.7 Liter 350 cid V-8 w/ 700R4 Trans.
K&N 57 Series FIPK II CAI
40 series Flows
HOORAH SEABEE's!! :fighting0037:SHOOT TO KILL!!
06-09-2009, 07:22 PM #12
What you can do is find a smog shop that will test your exhaust before running another smog test. If you have a bad cat there's no magic additives that will change your HCs.Jim
2004 SILVERADO 2500HD LS
Pro Comp Leveling Kit
285-75-16 Cooper ST All Terrains
Pro Comp Programmer
Linux Bed Liner
1967 Landcruiser <350 Chevy>
1990 Geo Metro Convertible
2007 FJ Cruiser
06-09-2009, 07:29 PM #13
By zachh1020 in forum GM PowertrainReplies: 3Last Post: 07-14-2010, 10:19 PM
By ftms in forum Performance & FuelReplies: 18Last Post: 06-07-2010, 02:38 PM
By GearHead899 in forum Chevy Silverado Forum (GMC Sierra)Replies: 1Last Post: 05-15-2010, 11:18 PM
By norcalbear05 in forum Chevy Silverado Forum (GMC Sierra)Replies: 0Last Post: 04-30-2009, 04:39 AM
By trivers in forum Chevy Suburban Forum (GMC Yukon XL)Replies: 7Last Post: 11-18-2007, 02:12 AM
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