Rough acceleration, Died, Started, Blue Smoke, Died again... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 08-26-2005, 12:44 AM   #1
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Default Rough acceleration, Died, Started, Blue Smoke, Died again...

I'm at a loss as to what to try next...

Here'* what happened:
- Driving and noticed the temp gauge was nearing red, pulled off to the nearest gas station (3 minutes later), turned car off
- Let the car cool, added a gallon of coolant, one qt. of oil
- Car started fine, noticed engine running slightly rough...taking off from next stoplight, engine was MUCH more rough, and a blue cloud of smoke came out the back.
- Stopped the car at the next street, and checked the gauges, they were fine. Turned car off, hasn't started since.

- Engine cranks over fine, but never starts.

Here'* what I've tried:
- Compression test on all the cylinders (1-150psi, 2-160, 3-165, 4-150, 5-170, 6-175)
- Verified spark at all the plug wires.
- Checked the spark plugs, all are close to .060" some wear, but all were wet with gas, and most had oil on them. (New valve cover gasket?)

Any more ideas of what the problem might be, or what I could try?

From reading a lot of the previous posts, I'm guessing I could check out the crank sensor, make sure the wiring is good from the battery, and maybe check the air filter? I didn't see any coolant coming out of the plug holes when I was turning it over, so I don't think it was hydro-locked.

Thanks,
-Daniel
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Old 08-26-2005, 01:04 AM   #2
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You need a fuel pump! You DEFINATELY need a fuel pump! There is no doubt about it!
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Old 08-26-2005, 01:27 AM   #3
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Why would the fuel pump need replacing if there'* plenty of fuel getting to the cylinders? Could there be something wrong with the injectors?
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Old 08-26-2005, 01:44 AM   #4
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Did you noitce oil in the coolant or vice versa. Are their bubbles in your oil. not sure how you came to the conclusion he needs to fuel pump. The car overheated usually these cause you head to go bad. Have you tried starting it recently. As soon as you saw the getting to the red. i Would of pulled over immendatly. If you had to add gallon of collant to your car that thing was sersouly over heated. Do you bubble on the dipstick or foam like substance on the oil or the overflow
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Old 08-26-2005, 01:54 AM   #5
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Ok, Danny, ignore FatCat, he'* just been banned.

Secondly, we need the year and trim level of your car. Please put that in your signature. Injector pulse comes from the cam sensor, but should default to a 'limp' setting, so that'* not likely.

Let'* step back a bit, try to describe things a bit more carefully, tell us what you drive, and we'll figure it out. We have a TON of members in the MN area that can help you personally.
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Old 08-26-2005, 02:14 AM   #6
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Thats exactly what my car did ...........told me it was a cracked block so they put a new engine in........but like Will said it was probably an intake failure.
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Old 08-26-2005, 02:15 AM   #7
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FREEZE! I never said it was an intake failure. We don't even know what engine he has at this point.
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Old 08-26-2005, 08:17 AM   #8
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Will is right on the money. Knowing what motor and year of the car will tell a lot. For example if the car is an SSEi or another supercharged model there is no upper intake to fail.
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Old 08-26-2005, 11:49 AM   #9
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Unfreeze........sorry Will thats what you said was probably my problem.....not his...lol
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Old 08-26-2005, 01:47 PM   #10
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Hey Will, thanks for the reply. I've got a 95 Bonneville SE, if that helps. It'* not the supercharged model.

Let me know what I can describe in more detail, I'm more than grateful for the help!

-Daniel
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