Opti sensor, simple question?
Thread Starter
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
Opti sensor, simple question? Tekprodave once said that the optical sensor of the opti is "all or nothing, meaning it either works or doesnt"... Can anyone confirm this?
Right now I believe my misfire (and a few cylinders not running) are being caused by the opti, because its getting worse and worse (yesterday on a few mile drive it went real bad, but later during the day when moving the car to another spot it got even worse...)
I want to get a Delteq and I know it needs the optical sensor of the opti, but is this all it needs?
Thanks in advance.
Right now I believe my misfire (and a few cylinders not running) are being caused by the opti, because its getting worse and worse (yesterday on a few mile drive it went real bad, but later during the day when moving the car to another spot it got even worse...)
I want to get a Delteq and I know it needs the optical sensor of the opti, but is this all it needs?
Thanks in advance.
make sure you have enough fuel pressure. your fuel pump could be running, but it might be on the verge of dieing and not throwing enough fuel pressure at the motor. the same thing happened to me about 2 years ago. i went out and bought a brand new opti and i still had the stumble/missfire. also how are your spark plugs? wires? coil?
Thread Starter
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
Originally Posted by Schweet97Z
make sure you have enough fuel pressure. your fuel pump could be running, but it might be on the verge of dieing and not throwing enough fuel pressure at the motor. the same thing happened to me about 2 years ago. i went out and bought a brand new opti and i still had the stumble/missfire. also how are your spark plugs? wires? coil?
in most cases your right about the fuel pressure, but there is always that case to where things will be screwy. lol it takes 5-10 min to check fuel pressure. just hook a guage up to the schrader valve on the back of the intake manifold on the drivers side and turn the key to acc. as for plugs, and wires i wouldnt count them out either. check the wires. are the dry rotted? cracked? burnt or arching off of anything? lift the hood up at night and start the car and look at your wires to see if u do infact have an issue w/ arching. how many miles are on the plugs? how is the gapping? and yes it still could be your opti. the opti is going to either work or its not. there has been guys that have 260,000+ on opti's. mine personally went out at 57,000. i just dont want you to go spend 300 bucks on an opti when you dont have to.
Thread Starter
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
Originally Posted by Schweet97Z
in most cases your right about the fuel pressure, but there is always that case to where things will be screwy. lol it takes 5-10 min to check fuel pressure. just hook a guage up to the schrader valve on the back of the intake manifold on the drivers side and turn the key to acc. as for plugs, and wires i wouldnt count them out either. check the wires. are the dry rotted? cracked? burnt or arching off of anything? lift the hood up at night and start the car and look at your wires to see if u do infact have an issue w/ arching. how many miles are on the plugs? how is the gapping? and yes it still could be your opti. the opti is going to either work or its not. there has been guys that have 260,000+ on opti's. mine personally went out at 57,000. i just dont want you to go spend 300 bucks on an opti when you dont have to.
Thanks for the advice, if you can think of anything else let me know.
Trending Topics
Thread Starter
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
Originally Posted by Schweet97Z
do you have a SES light? do you have any way to hook your car up to autotap, a snap on scanner, or any other device that can monitor your car?
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0
Brett Foote
10 Reasons the LS7 Is GM's Most Extreme Naturally Aspirated V8 Engine Ever
Verdad Gallardo
Thread Starter
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
Originally Posted by JOSE REBS
If you were having a fuel problem you would more that likely feel the engine bogging down like its falling on its face... with an ignition problem you would get a hesitation.
Last edited by Charging TA; Aug 2, 2006 at 10:38 AM.
is your cat clogged? i dunno anymore....im just give some things on what to look at now. im kinda stumped myself on what u have to look for. check some of the things i said, just to cross them off ur checklist to try and narrow the search for the problem down....i dunno good luck bud.
Thread Starter
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
Originally Posted by Schweet97Z
is your cat clogged? i dunno anymore....im just give some things on what to look at now. im kinda stumped myself on what u have to look for. check some of the things i said, just to cross them off ur checklist to try and narrow the search for the problem down....i dunno good luck bud.
Thanks for all the help and suggestions so far, its really appreciated.
Thread Starter
TECH Resident
Joined: Jun 2005
Posts: 875
Likes: 0
From: Finland
Originally Posted by Schweet97Z
even though there is 3 thousand on the cat itself, doesnt take away the fact that it can fail. depending on how rich your car is, it will judge the life of your cats.
