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Engine Cut Off after a hard stop!

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Old 02-15-2010, 05:30 AM
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Engine Cut Off after a hard stop!

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Old 02-15-2010, 10:04 AM
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Having an issue like this with our subaru. If you shift it in neutral when it seems like it's going to cut off, will it keep the engine running?
Old 02-15-2010, 12:58 PM
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My first check would be vacuum lines (specifically to the brake booster).
Old 02-15-2010, 01:23 PM
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Originally Posted by clocklaw
My first check would be vacuum lines (specifically to the brake booster).
I would also check the brake booster vacuum lines. On our subaru, I found no issues with a vacuum leak, but the problem seems to be a selanoid inside the transmission that's not going into neutral when coming to an abrupt stop.
Old 02-15-2010, 02:22 PM
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Old 02-15-2010, 04:53 PM
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Start the truck and let it idle.....stab the brakes several times and see if the engine stumbles or dies.....that will test to see if the booster is leaking.
Old 02-15-2010, 05:10 PM
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Old 02-21-2010, 04:48 AM
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Old 02-21-2010, 07:35 AM
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Sounds like a wire shorting against something or your COR (circuit open relay) relay is not making good contact in the socket or is going bad. Those relays can be a problem since our trucks are getting old. Sounds like you are in for a bitch of a time finding that one.
Old 02-21-2010, 08:19 AM
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Old 02-21-2010, 10:05 AM
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If that doesn't fix it I would be looking to the AFM. It controls your fuel pump and air/fuel mixture. If you snap the throttle back, the door in the AFM is shutting and may be causing the fuel pump and COR relay to shut off.
Old 02-21-2010, 11:07 AM
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Old 02-21-2010, 11:11 AM
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mine did this last week check ur idle mine was dieing at stop signs or a hard brake from the idle being turned to low
Old 02-21-2010, 11:28 AM
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Old 02-24-2010, 02:33 AM
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Old 02-25-2010, 08:07 AM
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Old 02-25-2010, 08:29 AM
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Originally Posted by buckz6319
I have a new VAF.....so I don't think that's the problem....was a while ago though, that's why I replaced it......bought the new one off ebay for $154.68 free shipping and life time warranty...if any one is interested here's the link http://cgi.ebay.com/ebaymotors/1994-...item48394ffd16
Epic...


Do you have the old one? Can you borrow a FACTORY, OEM MAF?
Old 02-25-2010, 08:32 AM
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might wanna check your fuel filter.
Old 02-25-2010, 09:48 AM
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Last edited by buckz6319; 05-20-2010 at 05:22 PM. Reason: added..(I replaced the old VAFM because it had a bad air sensor and was throwing a code not because it was cutting out the en
Old 02-25-2010, 09:50 AM
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