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Opti Spark Problems

This is a discussion on Opti Spark Problems within the LT1 forums, part of the Vehicle Specific category; What are the signs of an opti spark going bad? Its seems like mine is going Thanks...

  1. #1
    Member dkishton1486's Avatar
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    Opti Spark Problems

    What are the signs of an opti spark going bad? Its seems like mine is going
    Thanks

  2. #2
    1BADLT1
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    Why do you think it is going bad you tell us whats wrong and we can see if we can point you in the right direction.

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    SUPREME member-oderator oneBADDz's Avatar
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    From experience I find that the main sign of an opti going bad is just owning one. . .

    Nah, what's it doing? Give us some details as 1badlt1 said

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    Member dkishton1486's Avatar
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    Well its ok when its cold but once it warms up it starts to hesitate really bad and misses bad. Its fine when im in nutural but when im in gear it does it.

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    Quote Originally Posted by dkishton1486
    Well its ok when its cold but once it warms up it starts to hesitate really bad and misses bad. Its fine when im in nutural but when im in gear it does it.
    You my friend have a bad optispark. THat is the first sign of it going bad. Go ahead and get a new optispark and crank seal. They are bad to get oil in them and it breaks them down causing them to miss fire. We had about 5 of them go bad on the cars here at work.

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    Member dkishton1486's Avatar
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    Question, Now ive had my car on a lift and seen the Opti how hard is it to change? What all has to come off if anything?

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    Story of My Life!! BIG D's SS's Avatar
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    Quote Originally Posted by dkishton1486
    Question, Now ive had my car on a lift and seen the Opti how hard is it to change? What all has to come off if anything?
    I know that the balancer has to off. Go to www.installuniversity.com I'm sure there is a write up on it there.

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    Member dkishton1486's Avatar
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    I looked on the site and I cannot find a write up of it

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    Story of My Life!! BIG D's SS's Avatar
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    I can't exactly remeber what all has to come off withoutlooking at one. I know the balancer and maybe the water pump. I can't remember. If your gonna do it yourself then learn as you go. Nothing too hard except the balancer.

  10. #10
    1BADLT1
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    Hmm i nver did an opti spark but i know the water pump has to come AIR pump has to come off of course your intake duct and the balancer.

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    SUPREME member-oderator oneBADDz's Avatar
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    Yep, water pump, air, balancer. That's all the big stuff, just intake tubes, hoses etc beyond that. It isn't really that bad

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    Member dkishton1486's Avatar
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    Could this be done in a driveway on a jack or no?

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    SUPREME member-oderator oneBADDz's Avatar
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    absolutely

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    Member dkishton1486's Avatar
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    Ok sorry for being a bother but about how long hour range and 6 or a 12 pack of beer?

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    SUPREME member-oderator oneBADDz's Avatar
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    Depends how mechanincal you are. I can do it in an hour or hour and a half, might take upwards of 4-5 if it's pretty much an experiment for you. The more beer the more successful you will be and faster!!!

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    Would'nt a bad Opti through an SES code?

  17. #17
    1BADLT1
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    Quote Originally Posted by GOODZ/BADZ
    Would'nt a bad Opti through an SES code?

    Yes and no, i dont know of any code for the opti but it will thrown a misfire code.

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    Member dkishton1486's Avatar
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    What would be the easiest way to find out if there is a misfire code?

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    SUPREME member-oderator oneBADDz's Avatar
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    the ses light would be flashing

  20. #20
    lee1rbc
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    The opti is directly connected to the timing plate so you nd to remove wtr pump, crank pulley, air pump + brackets and radiator fans. You can get away with leaving the alt on. http://www.fierolt1.com/lt1_95_up_OptiReplace.htm Just make sure you buy a new GM opti and not a rebuild. The first time takes about 7 to 8hrs with hand tools and a floor jack. The third time I replaced mine I was done in 3 1/2.

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