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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 03-19-2009, 05:32 AM   #1
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Hi my car is 1995 Pontiac Bonneville, i have a strange problem, my car has no power even when i put the gas pedal to the floor. but after i drive it about 15-20 minutes, my car runs normally. what is the problem?

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Old 03-19-2009, 08:10 AM   #2
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Originally Posted by abud View Post
what is the problem?
That'* a very good question. Any other symptoms beyond it lacking in power?
What things have you looked at or tried to remedy the issue?
What grade of fuel are you running?
What weight of oil do you run?
Do any of the gauges exhibit anything that might be a symptom?
Does the car rattle or sound funny?
When was the last tune up with plugs wires etc?
Is the check engine light on?

Please..help us, help you.
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Old 03-19-2009, 09:09 AM   #3
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You'll want to check your fuel pressure, you can add some seafoam to the fuel tank to clean the injectors, you can change the fuel filter. Check to see if the EGR valve is stuck open. Check your plugs to see if they are worn or have excessive gape.
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Old 03-19-2009, 09:30 AM   #4
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Quote:
What grade of fuel are you running?
What weight of oil do you run?
When was the last tune up with plugs wires etc?
Is the check engine light on?

Please..help us, help you.

1. i'm running 93 octane fuel
2. I'm not sure, delaership just told me Mobil 1 Syntethic
3. 8 months ago
4. The check engine light off.

Quote:
You'll want to check your fuel pressure, you can add some seafoam to the fuel tank to clean the injectors, you can change the fuel filter. Check to see if the EGR valve is stuck open. Check your plugs to see if they are worn or have excessive gape.
Ok, i will try to add the injectors cleaner for first step and hope see if that fixes it.

Thanks for all help.
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