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87 Mercury Sable - No Clue???
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DaveMort
New User
Nov 9, 2009, 8:13 PM
Post #1 of 12
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87 Mercury Sable - No Clue???
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My son has a 87 Mercury Sable with only 46K original miles. Engine runs great. Problem: Starting is hit or miss. And it sometimes shuts off while running. Has all new fuel system. New alternator. New battery. Full tune up. Somedays it starts....somedays it won't? Has to be a Electrical problem...right?? Anyone else run into this problem?
Thanks in advance
Dave<<<<<perplexed Dad
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Loren Champlain Sr
Veteran
/ Moderator
Nov 9, 2009, 8:33 PM
Post #2 of 12
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Re: 87 Mercury Sable - No Clue???
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Dave; Need a bit more specifics. Does it die while 'driving down the road', or when coming to a stop? Starting; Does the engine crank over, but not start? Does it act like it's got a dead battery?
Loren
SW Washington
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DaveMort
New User
Nov 9, 2009, 8:40 PM
Post #3 of 12
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Re: 87 Mercury Sable - No Clue???
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Thanks for responding!
It sometimes just dies while driving. Pull over...wait a few minutes and it starts up again. Then at times, won't start at all. The engine turns over but just won't start. Has a brand new battery and alternator.
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Loren Champlain Sr
Veteran
/ Moderator
Nov 9, 2009, 8:49 PM
Post #4 of 12
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Re: 87 Mercury Sable - No Clue???
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Dave; Need to determine if it is lacking fuel pressure or spark at the time it dies.
Loren
SW Washington
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DaveMort
New User
Nov 9, 2009, 8:52 PM
Post #5 of 12
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Re: 87 Mercury Sable - No Clue???
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Has new fuel pump and injectors as well. Very frustrating.
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Loren Champlain Sr
Veteran
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Nov 10, 2009, 2:11 PM
Post #6 of 12
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Re: 87 Mercury Sable - No Clue???
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Dave; You need to find out if you are lacking spark when it dies. The ignition control modules on these vehicles are always suspect, but without testing, it's just a guess.
Loren
SW Washington
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DaveMort
New User
Nov 10, 2009, 6:29 PM
Post #7 of 12
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Re: 87 Mercury Sable - No Clue???
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Hi Loren
How to I test for that?
Thanks,
dave
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Loren Champlain Sr
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Nov 10, 2009, 7:21 PM
Post #8 of 12
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Re: 87 Mercury Sable - No Clue???
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Need to determine if it is lacking fuel pressure or spark at the time it dies
Loren
SW Washington
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choupe
New User
Nov 17, 2009, 10:08 AM
Post #9 of 12
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Re: 87 Mercury Sable - No Clue???
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try replacing the fuel shut off switch i had a ford focus that did this its called an enurshia switch
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Loren Champlain Sr
Veteran
/ Moderator
Nov 17, 2009, 7:34 PM
Post #11 of 12
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Re: 87 Mercury Sable - No Clue???
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enursha switch? LMAO.
Loren
SW Washington
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 17, 2009, 8:03 PM
Post #12 of 12
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Re: 87 Mercury Sable - No Clue???
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Yep, need to replace it........LOL
I've never changed one in my life.
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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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