Assistance in Getting my 1988 Halftrac Running Again

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Assistance in Getting my 1988 Halftrac Running Again

Postby Snyder » Fri Aug 26, 2022 3:14 pm

Good day! I've been a member since early 2000s but MIA for the last 10-12 years. Well, in the early 2000s, I swapped a 92 JDM 3SGTE into my 1988 Celica GTS. 318hp to the wheels. Its been sitting in my garage since 2012. 6 months ago, I emptied the gas out of it through the fuel sending unit and filled it with fresh premium gas. She started after hand cracking first to move oil around. She ran ruff, but got up to normal operating temp and actually to my two daughters for a ride in it!

I noticed that cylinder 4 was not firing. I removed the spark plug and was getting spark, but no fuel. I know that the fuel rail and injectors will need to be removed and flushed. As of today, the car will not spark at all. This thing is in my garage and taking up space and wondering what to do with it, finish it or sell it.

It's easy for me at my age now to sell it and buy a Subaru STI or a 2023 Toyota Corolla GR Circuit Edition when it comes out than crawling under this car and working on it. Only reason why I still have this car is because it was my first car at 16 and now I'm 43. Haha!

Anyway, looking for someone to come by and work on this with me to get it to the point I can reregister it and drive it. I will pay of course, just want someone experienced with the 3SGTE engine. I will in western NJ.

Cars owned:

1988 ST165 Gray (Rolled 4 times)
1988 ST165 Red (Sold)
1992 Toyota SR5 ExCab (Traded in for wife's car)
1988 ST162 Halftrac with 92 JDM 3SGTE (Garage kept since 1996)
2005 Toyota Rav4 (246k miles still driving)

Thanks!

Chris

(908) 337-7721
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Re: Assistance in Getting my 1988 Halftrac Running Again

Postby Bori » Sat Sep 17, 2022 6:46 pm

Wish you were close to me bro! Glad to see you working on your car again! Keep it. There's nothing more valuable than the emotional attachment to it. I regret selling mine even after all these years.
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Re: Assistance in Getting my 1988 Halftrac Running Again

Postby Roreri » Sun Sep 18, 2022 4:42 am

I'm not the guy you need and not in the NJ area but hope you do find someone to get you what you need.

If you can pull the fuel rail and get the injectors out, if you send them to Fuel Injector Specialists Chuck will set them right (if it can be done).

https://fuelinjectorspecialists.com/
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1992 Toyota Celica

Re: Assistance in Getting my 1988 Halftrac Running Again

Postby alltracman78 » Sun Sep 18, 2022 3:16 pm

Way too far for me to help, but I can give you a few suggestions.

I would replace cap, rotor and plugs to start. Wires are probably fine (assuming good quality and/or low miles).

If it still doesn't spark signal comes from the distributor (actually, engine rotating signal. Crank and cam sensors are both in there. So cam signal and crank signal) to the ECU.
ECU then sends signal to the igniter, which then sends to the coil.
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Re: Assistance in Getting my 1988 Halftrac Running Again

Postby Snyder » Mon Sep 19, 2022 1:45 pm

The car is running, but still no fuel coming from cylinder 4.

There is spark to cylinder 4, but no fuel. If I disconnect the fuel injector plug from cylinder 4, nothing changes on the car.

I'm trying to not take out the fuel rail, but might have to at this point. Last thing I'm going to try is to use alligator clips to manually power that injector to see if I see fuel spray from the cylinder while the plug is out. If I do, I know its a wire that has been chewed by the family of mice living in the car for the last 10 years.....

Thanks!
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Re: Assistance in Getting my 1988 Halftrac Running Again

Postby underscore » Mon Sep 19, 2022 4:02 pm

Are you getting an electrical signal to that injector? I believe they're constant power and switched ground. If not I'd open up the ECU and check for capacitors leaking onto the injector drivers like they tend to do at this age.
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Re: Assistance in Getting my 1988 Halftrac Running Again

Postby 93celicaconv » Mon Sep 19, 2022 4:38 pm

Snyder wrote:The car is running, but still no fuel coming from cylinder 4.

There is spark to cylinder 4, but no fuel. If I disconnect the fuel injector plug from cylinder 4, nothing changes on the car.

I'm trying to not take out the fuel rail, but might have to at this point. Last thing I'm going to try is to use alligator clips to manually power that injector to see if I see fuel spray from the cylinder while the plug is out. If I do, I know its a wire that has been chewed by the family of mice living in the car for the last 10 years.....

Thanks!

Why don't you check cylinder compression pressure on cylinder #4 first? If you have no compression pressure, you might be "assuming" an injector problem if you are certain you have spark on that cylinder. Before taking all the fuel stuff apart, I would check compression pressure on that cylinder first, at least to rule it out. If you have pressure in the correct range, and you are certain of having spark on that cylinder, then you are left with a fuel issue.

You can also check if you have an injector activation signal on the wiring harness connector - best of using a NOID light to check for that. Just check it with the engine running if that cylinder is otherwise appearing dead right now.
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