service engine soon light - 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 08-26-2007, 02:47 PM   #1
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Default service engine soon light

our car is on its way to me, couldn't get it Friday. Service engine soon light comes on and off periodically. Could that just mean tune up needed? That'* according to seller.
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Old 08-26-2007, 02:58 PM   #2
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What year is the car? What model? What trim?


Please take a second and edit your post to include that information so that we can help you out better. Also, click on the profile link above and add that information to your sig.


Someone will be around soon with some info for ya
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Old 08-26-2007, 02:58 PM   #3
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Well, before we can get into diagnosing...we need to know submodel and year. Please put that in your signature...that way, nobody has to ask.

Edit - damnit.....Quickdraw McGraw sniped me
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Old 08-26-2007, 04:13 PM   #4
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updated sig, don't see it yet. it'* a 93 ssei supercharged with k&N filter, that'* all I know. I thought the interior was beige but its gray. black ext.
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Old 08-26-2007, 04:18 PM   #5
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Ah...good.

Follow the instructions in techinfo on how to extract trouble codes from the PCM. Since you have a 93, it'* a snap to do.

That would be your starting point.
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Old 08-26-2007, 05:17 PM   #6
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my light is on too i have a 94 se and as of right know i have only have gear 1-3 and no over drive and auto zone told me that they only have to code checker thing for year 96 and newer so what can i do????
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Old 08-27-2007, 11:49 AM   #7
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I have a 93SSEi myself, and have experienced Service Engine Soon light warnings:
Start with a tune up. The car might be trying to tell you something.
Use AC Delco plugs, and a good set of ignition wires. STAY AWAY FROM BOSCH!

Our cars don't like Bosch.

Change your oil, who knows when it was done last!

Another thing ( I know this sounds weird, but it is true! )
If I don't put my gas cap on tightly, it will throw the light. Make sure you hear at least 3 clicks, it actually tells you inside the gas door and cap too.

Oh, always run premium unleaded. The car will thank you for it.

Can't wait to see it, remember: Post some pics in Your Ride!

Cheers,
Adam
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Old 08-27-2007, 12:43 PM   #8
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Quote:
Originally Posted by roadkills
my light is on too i have a 94 se and as of right know i have only have gear 1-3 and no over drive and auto zone told me that they only have to code checker thing for year 96 and newer so what can i do????
This is another animal entirely. Start a new thread with your specific problems, and we'll get you squared away
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