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Engine starts and shuts off immediately
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ron1128
New User
Oct 25, 2012, 6:45 PM
Post #1 of 8
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Engine starts and shuts off immediately
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I changed the engine in a 2003 Toyota Corolla. The engine will start but then shuts off after a few seconds. I have changed all the sensors, intake, manifold....I'm not understanding why it's doing this. It's getting air, fuel and spark. There are no codes coming from any diagnostic tool....I need help!!
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 25, 2012, 7:04 PM
Post #2 of 8
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Re: Engine starts and shuts off immediately
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Are there any security lights on or flashing when you try to start it?
I would check the fuel pressure with as gauge during the failure.
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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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ron1128
New User
Oct 25, 2012, 7:15 PM
Post #3 of 8
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Re: Engine starts and shuts off immediately
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no lights come on. i thought maybe an anti theft system but i called a toyota dealer and they ran the VIN and it doesn't have one....i was thinking the fuel pressure also but when i disconnected the fuel rail and tried to start it gas flew across my shop...i can't get a gage b/c it doesn't have a fitting....i'm stuck
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 25, 2012, 7:18 PM
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Re: Engine starts and shuts off immediately
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You don't need a fitting to test the fuel pressure. They have adapters for that. You need to test the pressure.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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
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Oct 26, 2012, 5:03 AM
Post #6 of 8
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Re: Engine starts and shuts off immediately
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Just curious. Is this a reman, salvage, or new engine? Is the engine you replaced from the same year vehicle? Why was the engine replaced?
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 Oct 26, 2012, 5:04 AM)
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ron1128
New User
Oct 26, 2012, 5:54 AM
Post #7 of 8
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Re: Engine starts and shuts off immediately
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it's a salvaged motor....i work at a garage and it's a customers car....i can't hook a pressure gauge to the fuel rail b/c there is no valve to hook a gauge to it...i have to make one....the engine was rapping b/c the customer ran the car out of oil and blew it....the sensors aren't brand new they came off the engine that i used to drive the car in there with....i just don't understand it's getting gas to start the engine but it wont run....how can it go bad from just sitting???
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nickwarner
Veteran
/ Moderator
Oct 26, 2012, 2:12 PM
Post #8 of 8
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Re: Engine starts and shuts off immediately
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How long did this sit between the motor being blown and the new engine being put in? If more than a month or two the ethanol in the tank will be turning into pure crap. It has less than half the storage life of gasoline. That fuel pressure reading will really be needed.
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