- Navigation
Results 11 to 16 of 16
Thread: How the Opti Works
-
11-13-2014, 06:52 PM #11InActive Member
- Status
- Offline
- Join Date
- Nov 2014
- Name
- Jacob
- Vehicle
- 1997 Firebird Formula
- Location
- Longview, TX
- Posts
- 2
What a great informative thread, Thanks.
-
02-15-2015, 01:52 PM #12InActive Member
- Status
- Offline
- Join Date
- Sep 2014
- Name
- N/A
- Vehicle
- 1995 Camaro Z28
- Location
- MN
- Posts
- 48
lot of information, but awesome article.
-
06-04-2016, 08:20 AM #13Lurker
- Status
- Offline
- Join Date
- Sep 2014
- Name
- Joel
- Vehicle
- 1996 camaro Police interceptor
- Location
- Colorado
- Posts
- 1,157
Great articles
Sent from my SM-N915V using Tapatalk
-
12-29-2016, 11:11 AM #14
Mind blown.
Sent from my SM-J700T using Tapatalk
-
12-29-2016, 01:56 PM #15"The Rock"
- Status
- Offline
- Join Date
- Jul 2009
- Name
- Popo
- Vehicle
- 1996 Impala with the heart of the old camaro. 1993 Corvette..
- Location
- Shillington, Pennsylvania, United States
- Posts
- 61,345
Our BIG MOMENT @ the 2012 LTXshootout
http://www.facebook.com/photo.php?v=521756391174175
1996 Camaro Z28: RIP 09/25/2016
1994 Trans Am GT: SOLD 05/2017
1985/1996GS clone: SOLD
1996 Impala SS H/C, LT, with true dual exhaust, 4.10s, lowered, with CPT trans, many cosmetic mods, and a whole lot more to come...
2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..
-
The Following User Says Thank You to popo8 For This Post:
-
12-29-2016, 09:58 PM #16LTX Regular
- Status
- Offline
- Join Date
- Aug 2013
- Name
- Gary
- Vehicle
- 1998 Trans Am
- Location
- Florida
- Posts
- 241
I will admit I haven't read every word of this detailed topic, but I think there is one very simple Opti test that hasn't been mentioned: Watch the tach while cranking. The tach's needle should jump up slightly to match the cranking speed of 150-300 RPM depending on the battery and starter. That small jump indicates that the Opti is not dead and is delivering the low-resolution signal to the PCM. Only the low-resolution signal is need to run the engine.
This short video clip shows how it normally looks. Ignore the first crank attempt :
Last edited by GaryDoug; 12-29-2016 at 10:00 PM.
1998 Trans Am - LS1/A4 - all stock and almost all original - one owner - driven daily.
Author of Scan9495, free pc apps 93-95 LT1,94/95 L32: http://ltxtech.com/forums/showthread...light=scan9495
-
The Following 3 Users Say Thank You to GaryDoug For This Post:
Bookmarks