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.

Hesitation on first start 94SE

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Old 06-09-2005, 05:39 AM
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Default Hesitation on first start 94SE

Hey Guys,

94 SE here. Things are mostly good but I do have an annoying problem. On the first start in the morning, the car hesitates a bit when I step on the gas. If I floor it, it will catch and go. This happens whether I just start driving or if I rev it in park.

I changed the Tps a few months ago and that seems to be working fine. I put new plugs in last summer and changed the fuel filter (hoping it would correct this) last week.

What strikes me as odd, is that it'* only the first start in the morning or if I've left it all day long. it doesn't seem to be an engine hot or cold issue. Any ideas? I'm thinking injectors or fuel pump, but I'm just guessing.

Thanks
Bill
Old 06-09-2005, 07:02 AM
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When you say hesistation...I need a little more specifics.

Does the pedal feel sticky the first time you touch it, then once unstuck the motor is fine.
When you give it some fuel..does it wait a moment then act normal. Like it paused to take a breath before revving?
Does it stumble to try and give you more rpm and act like it could stall?
Old 06-09-2005, 11:54 AM
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I mean the second one Bill. It pauses to take a breath and then comes back. After the first time, it'* gone the rest of the day only to revisit me the next morning.

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Old 06-09-2005, 01:05 PM
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What if you just give light throttle and drive until the car is up to temp, like that. Then go WOT, would the problem still be there?


-justin
Old 06-09-2005, 09:28 PM
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Yes, when I give it a little, the hesitation is really evident, when I go WOT, it hesitates for a quick second and then takes off.

It only lasts about 30 seconds and then it'* gone, but it is every morning.
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