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Engine turns over but instantly stalls
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laurelai
Novice
Oct 8, 2011, 3:53 PM
Post #1 of 9
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Engine turns over but instantly stalls
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My 2005 taurus se was running fine when I parked it. The next day the engine would turn over and instantly stall. My son read up on this and installed a new oil pressure switch.Still did the same thing..He went to autozone an got a tester.He said "it's throwing no codes"We are at a total loss as to what it can be.I will so appreciate any help that can be offered to new member!Just want to thank you in advance
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 8, 2011, 4:13 PM
Post #2 of 9
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Re: Engine turns over but instantly stalls
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I'd love to know where he read that replacing an oil pressure switch will cure a "start and stall" condition. That's a new one on me.
Does it have any security lights on or flashing when this happens. Test your fuel pressure using an accurate gauge and post the results here.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 8, 2011, 4:15 PM
Post #3 of 9
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Re: Engine turns over but instantly stalls
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Is this a 3.0 DOHC or 3.0 OHV?
Push down on the accelerator 1/4 way while starting the engine. If you can keep the engine running by feathering the gas pedal, you should check out the idle air control system.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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laurelai
Novice
Oct 8, 2011, 4:22 PM
Post #4 of 9
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Re: Engine turns over but instantly stalls
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Hammertime, thank you for the quick reply! he read that the engine has a sensor swtch that kill the engine as a safety caution if it senses that the engine is not getting oil. When he went to the ford dealer to order the part the service manager verified that this could indeed be the pproblem. As far as the fuel pressure info, he left to go out of town this afternoon so I don't know the info..I,m a woman who doesnt work on cars. I'll have to get that info Sun night. Thank you again!
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laurelai
Novice
Oct 8, 2011, 4:33 PM
Post #5 of 9
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Re: Engine turns over but instantly stalls
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Thank you for the reply to my problem! I just went out and tried the gas pedal 5 times and it did not work. The engine is a 3.0 ohv. Just turns over and stalls!
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laurelai
Novice
Oct 8, 2011, 6:02 PM
Post #7 of 9
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Re: Engine turns over but instantly stalls
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Does my car have 2 fuel pumps? 1 in The tank and also 1 high pressure inline pump? just talked to my son who asked me to ask you.. he has no internet out in the sticks . Asked him where he thought the oil pressure switch could be the problem he said the oil pressure switch "talks to the powertrain control module and the pcm would shut it down . he said ,just now, that the "low oil pressure "was lit up in the cluster and now no longer is . He got the info from the service manager. Not trying AT ALL to disagree with you I appreciate your time in trying to help . Just that is where he got his info Thank you again..Laurelai
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 8, 2011, 6:07 PM
Post #8 of 9
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Re: Engine turns over but instantly stalls
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No, it does not have 2 fuel pumps. It has a computer controlled, variable pressure system that requires a professional scan tool to diagnose it.
Also, for the record. There are no vehicles that shut down for lack of oil pressure. It would create an unsafe situation for an engine to shut down unexpectedly, therefore it is not done, contrary to what many believe.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Oct 8, 2011, 6:14 PM)
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laurelai
Novice
Oct 8, 2011, 6:53 PM
Post #9 of 9
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Re: Engine turns over but instantly stalls
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relayed info to son via phone, he was grateful for your help to his dear, sweet mother. Good night and I think you guys(?) are doing a wonderful service to people like me. So glad that I found your website! My husband was an auto mechanic for years and I know that he would have been more than willing to try to help someone too. BRAVO!!
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