alright long weekend, time to try and fix some problems - Page 2 - 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 10-10-2009, 08:23 AM   #11
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Take a look at your idle air control. I'm leaning towards a vacuum leak though.
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Old 10-10-2009, 08:26 AM   #12
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Have you had your engine light scanned for codes yet?

Do that when your at the auto parts store picking up the tune up parts.

Also don't ever buy a Bosch O2 sensor as our cars pretty much run like butt when a Bosch O2 sensor is installed.
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Old 10-10-2009, 08:27 AM   #13
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alright will do , oh im gonna try and get a Haynes Manual for it too

i dont think they scan for codes at the auto parts stores here in ontario, at least i dont know of anywhere that does , i just have to wait till my mechanic gets back from moose hunting plus he'll scan it for nothing usually. plus im taking the parents car to the city i dunno how good i am at two foot driving in the city yet .

Last edited by flaox; 10-10-2009 at 08:34 AM. Reason: you guys post fast
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Old 10-10-2009, 08:29 AM   #14
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Quote:
Originally Posted by Danthurs View Post
Take a look at your idle air control. I'm leaning towards a vacuum leak though.

I agree Dan he did say it stalled regardless of putting it in neutral....

A vacuum leak would also give off a hissing or high pitch whistle to though

Do you hear any of that Flaox?
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Old 10-10-2009, 08:35 AM   #15
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Quote:
Originally Posted by Toddster View Post
I agree Dan he did say it stalled regardless of putting it in neutral....

A vacuum leak would also give off a hissing or high pitch whistle to though

Do you hear any of that Flaox?
i ll go start it up and listen in a bit
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Old 10-10-2009, 08:38 AM   #16
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do you have any carburetor cleaner or starting fluid to spray around the top of the motor?
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Old 10-10-2009, 08:44 AM   #17
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Also one other quick and easy trouble spot to check is the battery cables while your under there. Look for bad corrosion on each cable connection to the battery.

Wont hurt to look...
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Old 10-10-2009, 08:55 AM   #18
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Quote:
engine just shuts off , sometimes i dont notice untill it gets hard to steer and the chime is going off
Is it just the engine or does the dash lights and radio go off as well?

Quote:
when i drive it to work in the morning when the car is cold , she runs great , exept for the rough idle , when starting in it takes a little longer than i think it should to start , just seems to crank a little bit too long , when it dose start (it always dose) the idle is all over the place up and down and all around , then it smooths out (takes about 30 seconds) and idles at about 1500rpm when its cold .
Another sensor that affects idle speed is the IAC- Idle Air Control valve<----As Dan already mentioned


They get full of carbon over the years and will not adjust the air speed correctly. You can't really clean it because the carbon will get way inside the sensor down by the screw cam.

I believe that once you have your car scanned you will know what is actually giving you the problem. Hang in there.

Call ahead to the various auto part stores to see if they can scan your engine light for codes. Most all auto part stores here will scan for free
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Old 10-10-2009, 08:59 AM   #19
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Quote:
Originally Posted by Toddster View Post
do you have any carburetor cleaner or starting fluid to spray around the top of the motor?
damn it , dad cleaned the self were we keep all the sprays and what not i know there was some carb cleaner up there but its gone , all thats left is spray paint ( probly not a good idea to start spraying that all willie-nillie under the hood) and some mercury outboard motor power tune. i see this isnt going to go smoothly

when it stalls dash lights stay on, radio is still on , just the engine dies , when i restart it , it fires right back up
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Old 10-10-2009, 09:08 AM   #20
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Quote:
Originally Posted by flaox View Post
damn it , dad cleaned the self were we keep all the sprays and what not i know there was some carb cleaner up there but its gone , all thats left is spray paint ( probly not a good idea to start spraying that all willie-nillie under the hood) and some mercury outboard motor power tune. i see this isnt going to go smoothly

when it stalls dash lights stay on, radio is still on , just the engine dies , when i restart it , it fires right back up
googled mercury outboard motor power tune
http://www.westmarine.com/1/1/16908-...ry-marine.html
Quote:
dissolve gum, varnish, deposits and clogs in the fuel system and combustion chambersScrub carburetors and injectors clean with this detergent cocktail of solvents and motor oil. Fast-acting chemical dissolves gum, varnish, deposits and clogs in the fuel system and combustion chambers.
I believe this will work for what we are trying to accomplish here.
If you don't think your dad wont mind you using it than give it a try!
Give it quick little sprays on vacuum hose lines, connections, around your intake. Don't dowse your motor

Make sure you use this outside and wear goggles to protect your eyes!

And don't get any on you car paint as this stuff sounds pretty volatile to surfaces like that....
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