LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

new opti, have spark and fuel

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Old 01-16-2016, 12:15 PM
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Re: new opti, have spark and fuel

Any update?
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Old 01-17-2016, 01:33 PM
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Re: new opti, have spark and fuel

Checked it and was in wrong slot, trues to start it and battery was dead so gonna charge it all day today and try starting it in morning before putting it all back together
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Old 01-17-2016, 06:10 PM
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Re: new opti, have spark and fuel

My thoughts tops leak at the corners is there a way to fix that, also has water leaking in the trunk
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Old 01-20-2016, 06:09 PM
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Re: new opti, have spark and fuel

Originally Posted by black96camar
Checked it and was in wrong slot, trues to start it and battery was dead so gonna charge it all day today and try starting it in morning before putting it all back together
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Old 01-21-2016, 09:58 AM
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Re: new opti, have spark and fuel

Does anyone know how to fix the seat, my driver side won't move at all, I replaced the fuse that wasn't the problem. I'd like to at least get it to move forward, as of right now I have to wear boots to drive my car jus to push the clutch in far enough.
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Old 01-21-2016, 11:02 AM
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Re: new opti, have spark and fuel

Probably need to start new threads for new problems.

What is in the instrument panel fuse panel is actually a 30-amp circuit breaker. That circuit powers the power seat and the rear defroster. Does your rear defroster work?

If the rear defroster works, check for 12V at the orange/black wire at the power seat switch assembly. IF no power, check the orange wire in the intermediate harness connector (on floor under seat). Then check for a good ground on the black wire at the power seat switch.

Last edited by Injuneer; 01-21-2016 at 11:34 AM.
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Old 01-21-2016, 01:53 PM
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Re: new opti, have spark and fuel

The rear defroster works, I'll check it thanks
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Old 01-25-2016, 02:54 PM
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Re: new opti, have spark and fuel

Question, is there any way my timing could have jumped. The people I bought the car from neglected it for 2 yrs, and I got new optispark, new ignitor coil, wires and spark plugs. It has fuel pressure and it still won't start on starter fluid
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Old 01-25-2016, 05:35 PM
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Re: new opti, have spark and fuel

To your answer, yes it is possible that your timing could have jumped. Highly unlikely, but possible.

Has the car ever ran since you owned it? Sounds like you have a timing issue or low to no compression. Based on having fuel pressure and having spark. I would stop throwing money at it, and do some trouble shooting.

You need fuel, spark, air and compression. All at the right time.

What else has been done to the car? Any mods or is is all stock? How are you checking fuel pressure? With a gauge? Pushing the shrader core? Have you checked all cylinders for spark? Or just #1?
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Old 01-25-2016, 07:40 PM
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Re: new opti, have spark and fuel

Is the opti indexed correctly? In an earlier post you thought it was, but later reported it wasn't. It's possible that its still not indexed correctly.
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Old 01-25-2016, 08:29 PM
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Re: new opti, have spark and fuel

Far as I know it is bone stock, I drove it from August to late november. I checked the fuel pressure with a gauge n got 44 psi, what would I need to do a compression test on all the cylinders. Also I have no idea how the guy who owned the car before me drive it, but by the way he test drove it, seemed a little harsh on the car.
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Old 02-02-2016, 02:47 PM
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Re: new opti, have spark and fuel

Could the vats be the problem, cuz when it does start it only runs for like 5 seconds
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Old 02-02-2016, 04:22 PM
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Re: new opti, have spark and fuel

Once is starts, does the fuel pressure hold, or does it drop rapidly?
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Old 02-02-2016, 05:54 PM
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Re: new opti, have spark and fuel

It holds at 43 psi
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Old 02-02-2016, 07:18 PM
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Re: new opti, have spark and fuel

Originally Posted by black96camar
Could the vats be the problem, cuz when it does start it only runs for like 5 seconds
VATS should not affect a running engine. It will keep an engine from starting of activated...
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