Results 1 to 6 of 6
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07-02-2007, 06:14 PM #1Junior Member
- Join Date
- Feb 2006
- Location
- GARDEN GROVE, CA
- Age
- 50
- Posts
- 95
BLACK- 2002, CAMARO Z28
using predator to know if 02's are good
I got a rough idle and power loss in closed loop and want to know what to look for with my predator to know if there fine. I have no codes.
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07-02-2007, 07:26 PM #2Senior Member
- Join Date
- Jul 2005
- Location
- orlando, fl
- Posts
- 7,364
black- 2014 camaro 2ss/rs
use the scanner to see if the o2 numbers are moving around alot.
Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers
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07-02-2007, 08:46 PM #3Junior Member
- Join Date
- Feb 2006
- Location
- GARDEN GROVE, CA
- Age
- 50
- Posts
- 95
BLACK- 2002, CAMARO Z28
They move around constantly and seem fine according to what I've read but I have this closed loop issue. Gas mileage hasn't changed one bit since this all started.
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07-02-2007, 09:02 PM #4Veteran
- Join Date
- Aug 2005
- Location
- ohio
- Posts
- 22,554
98 Formula- 06 duramax
another thing to watch on the O2's is for them "flat lining". I caught a bad O2 on my buddies vette this way. His O2's looked fine except every now and then one would drop and hang at 450mv for a few seconds and then go back to normal. That's where it comes in really handy having something that records data so you can look at things over and over. What do your fuel trims look like?
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07-03-2007, 05:54 AM #5Junior Member
- Join Date
- Feb 2006
- Location
- GARDEN GROVE, CA
- Age
- 50
- Posts
- 95
BLACK- 2002, CAMARO Z28
Fuel trims are negative around 6 off throttle and 2 crusing and 0 at wot as they should.
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07-03-2007, 07:24 PM #6Junior Member
- Join Date
- Feb 2006
- Location
- GARDEN GROVE, CA
- Age
- 50
- Posts
- 95
BLACK- 2002, CAMARO Z28
After more readings I found that the passenger rear 02 will stay locked at times for a few secs.
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