1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Fuel Injectors

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Old 08-06-2002, 12:11 AM
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Default Fuel Injectors

Hi, I have 88 Bonneville LE, and I just pulled out the fuel injectors, they're like blacker than words can describe, so I cleaned them up with degreaser, carb cleaner spray, and scrubbed them with a toothbrush, now I have them submerged in a bowl of fuel injection/carb cleaner for about 2 hours. Is it okay to leave them in it at all, and if so would it cause any damage to it? I also lost track to which injector goes into which hole, would that make a difference, and also there are these clips, adjacent to the o-rings on the injectors, I think they're called c clips, but they're like all brittle and broke off as I pulled the injectors out, and one of them happened to fall into the intake manifold. Would that cause any problems? Or would it just disengrate? Thanks for anyhelp.
Old 08-06-2002, 11:56 AM
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eek... :(
Old 08-06-2002, 12:00 PM
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Default ...?

Hahaha... he didn't even bother.
Old 08-06-2002, 12:42 PM
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Default Re: Fuel Injectors

Originally Posted by EightSevenZero
Hi, I have 88 Bonneville LE, and I just pulled out the fuel injectors, they're like blacker than words can describe, so I cleaned them up with degreaser, carb cleaner spray, and scrubbed them with a toothbrush, now I have them submerged in a bowl of fuel injection/carb cleaner for about 2 hours. Is it okay to leave them in it at all, and if so would it cause any damage to it?
Probably not.

Originally Posted by EightSevenZero
I also lost track to which injector goes into which hole, would that make a difference
Err......yes. The TPI system in the 3800s is sequential and is made up of 1 injector per cylinder with a firing circuit for each injector individually. So you can't mix them up!

Originally Posted by EightSevenZero
and also there are these clips, adjacent to the o-rings on the injectors, I think they're called c clips, but they're like all brittle and broke off as I pulled the injectors out, and one of them happened to fall into the intake manifold. Would that cause any problems? Or would it just disengrate? Thanks for anyhelp.
I would remove the intake manifold, and get it out. You do not want that getting sucked into a cylinder, which it probably will if you leave it in there.

Good luck...
Old 08-06-2002, 01:25 PM
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Default We'll see...

I'm about to put everything back in... we'll see what happens. :?
Old 08-06-2002, 07:19 PM
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Use a shop vac at least.lol
Old 08-21-2002, 08:40 AM
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The Fuel Injectors are all the same so doesn't matter which one goes where. As to type though they're different between the 2 engines. The 88 3.8 - 3 has a m/port injector (P/N 25531467). The 88 3.8 - C has a m/port injector (P/N 25531465). The SFI injectors started in the 92 3800.
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