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1994 Saturn SL1 shuts off suddenly when i come to stop
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waitaminute94
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Sep 21, 2012, 4:39 PM
Post #1 of 10
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1994 Saturn SL1 shuts off suddenly when i come to stop
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after sitting for months, i did a general maintenance tune up and drove it for about a 150 highway miles (after fixing the stick shift wobble) Once I finished my trip, i drove around town for a few days and suddenly my 1994 Saturn SL1 started cutting off whenever i come to a stop. what could this problem be?
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Discretesignals
Ultimate Carjunky
/ Moderator
Sep 21, 2012, 4:44 PM
Post #2 of 10
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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Does it start back up after it stalls? Check engine light on?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Sep 21, 2012, 4:45 PM)
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waitaminute94
User
Sep 21, 2012, 5:07 PM
Post #3 of 10
(2733 views)
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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Yes, starts right up with no problem. but i have to gun it, to keep it from shutting off while i'm stopped.
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Discretesignals
Ultimate Carjunky
/ Moderator
Sep 21, 2012, 5:11 PM
Post #4 of 10
(2729 views)
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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One easy and cheap thing you can try, if you hadn't already, is to clean the idle air control motor pintle and the pintle bore. You can also clean the throttle plate and bore too. Get some Seafoam deepcreep, some rags, and a tooth brush and clean them out really good. If the IAC pintle bore and pintle is gunked up that can cause your symptoms.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Sep 21, 2012, 5:14 PM)
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waitaminute94
User
Sep 21, 2012, 5:21 PM
Post #5 of 10
(2726 views)
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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Thx, i'll give it try
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waitaminute94
User
Sep 22, 2012, 11:01 AM
Post #6 of 10
(2697 views)
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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it was too late to do anything last night, so i test drove it first thing this morning and it only cuts off when i apply the brakes. It will continue to idle once i start up (with no problem) until i apply the brake.
would your suggetion be any different with this matter of fact
information?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 22, 2012, 11:14 AM
Post #7 of 10
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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Not sure if Discretesignals is around for the second. If idle is at normal RPM without touching brake and then chokes it the vacuum booster is almost always the problem drawing away too much vacuum from the intake manifold so engine could stall or stumble with a failed one. Pinch off or plug of vacuum hose to it and bet it wont stall but you wont have power assist so do that just sitting still if you want to,
T
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waitaminute94
User
Sep 22, 2012, 12:26 PM
Post #8 of 10
(2688 views)
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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that seems to be the culprit, i noticed a crack in the vb hose, so i put a clamp on it. It made a 65% difference. I know once i replace the hose (connector) it will cure the problem 100%.
Thx
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 22, 2012, 4:28 PM
Post #9 of 10
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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Hose to the booster would be nicer than the whole booster - hope so. If leaking/not right hitting the brakes would just make it run worse or die out so what you found still has to be fixed. Good luck,
T
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nickwarner
Veteran
/ Moderator
Sep 22, 2012, 5:00 PM
Post #10 of 10
(2678 views)
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Re: 1994 Saturn SL1 shuts off suddenly when i come to stop
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While you're replacing junk rubber hoses, grab a few feet of the sizes of vacuum hose used on your car. Its dirt cheap at the parts store. Change every hose on your engine one at a time to not get anything mixed up. These pieces of cheap rubber have sat under the hood in all weather extremes for almost 20 years and if they aren't junk now they're about to be. I'd bet they all had small leaks that you never knew about and the booster hose failing created a large enough one to be the straw that broke the camel's back and alerted you of the problem. You'll save future troubles changing all the hoses now. All you need is the hose and a fresh razor blade for clean cuts
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