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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.

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Old 02-28-2007, 12:06 PM   #1
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I hope I'm posting this in the right spot and I hope it will help someone. When I first purchased me 92 SSEi it had a strange problem. First off it would spit and sputter under WOT, and then it started dying out when I stoped suddenly or was on a steep hill. So 1st I changed the plugs and fuel filter...Nothing. So someoone said airflow meter...Nothing. Next the fuel pump. When we pulled the tank we found the problem. The INSIDE of the tank was cracked in the sump area. So when you stopped suddenly the gas would slosh away from the pump and the car would die. I don't think anyone really would have come up with this and certainly no machine would have figured it out. Well put in my 255 pump and a new tank (Only $104 Shipped) and now she runs like a dream. Anyway hope this helps someone.
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Old 02-28-2007, 12:20 PM   #2
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92 fuel tanks are not baffled like 93 and newer. 92'* are notorious for starving for fuel under 1/4 tank in turns and braking. We've been in the 'know' on this for about 4 years here.
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Old 02-28-2007, 03:28 PM   #3
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My 97 does this when less then a 1/4, it actually died on me once while taking an entrance ramp
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Old 02-28-2007, 03:37 PM   #4
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The same symptom can apply to a tank with broken baffles or a clogged fuel strainer (pickup) sock on the bottom of your fuel pump.
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Old 02-28-2007, 04:01 PM   #5
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Quote:
Originally Posted by willwren
92 fuel tanks are not baffled like 93 and newer. 92'* are notorious for starving for fuel under 1/4 tank in turns and braking. We've been in the 'know' on this for about 4 years here.
i thought it was 94 and newer, Because my 94 was built in late 93 and it doesn't have the baffle.
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Old 02-28-2007, 04:32 PM   #6
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Yours may have been replaced. My 93 is baffled. I believe there is a TSB for 92 only.
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Old 02-28-2007, 04:49 PM   #7
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nope mines nice and rusty and factory.
I herd this from 3 other members the it started in 94. but hey my car could be a freak.
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Old 02-28-2007, 05:32 PM   #8
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Quote:
Originally Posted by bandit
nope mines nice and rusty and factory.
I herd this from 3 other members the it started in 94. but hey my car could be a freak.
the other members are wrong....93 was the first year of the baffles....period
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Old 02-28-2007, 05:38 PM   #9
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Having personally removed and installed many tanks and pumps, I'd like to mention that the baffles are not always easily visible. The car manufacturers have been using a form of baffling for years.

It'* possible you have baffles and didn't look far enough into the tank to see them. Especially since the part of the tank we see is where the fuel sender is located.
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Old 02-28-2007, 05:49 PM   #10
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Baffled tanks are 93 and newer. Period. As Pat said above.

92'* are notorious for fuel starvation below 1/4 tank in hard turns. If any newer year does this, it'* a broken baffle or a fouled strainer.


Broken baffle example:

http://www.bonnevilleclub.com/forum/...ic.php?t=42104

But it hasn't caused me any noticable problems. The baffle is broken ABOVE about 3" from the bottom of the tank in just one area. So if I BRAKE hard, it might come close to starvation assuming my tank was very low.
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