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Engine shut off while driving

Tiny
LINDA COVINGTON
  • MEMBER
  • 2003 LINCOLN AVIATOR
  • V8
  • 2WD
  • AUTOMATIC
  • 197,000 MILES
It just shut down in the middle of driving. Unable to jump, no clicking noise when turning the key. I have checked the inertia switch its good.
brand new starter. Brand new oil pressure switch. I am able to manually
turn the motor. Code reader shows one code b1676. Any ideas?
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Saturday, January 5th, 2019 AT 9:04 AM

18 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Does the starter crank the engine?

https://www.2carpros.com/articles/car-cranks-but-wont-start

Roy
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Saturday, January 5th, 2019 AT 9:55 AM
Tiny
LINDA COVINGTON
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  • 14 POSTS
Also, for the past couple of weeks the engine would idle high when first starting.
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Saturday, January 5th, 2019 AT 1:36 PM
Tiny
LINDA COVINGTON
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  • 14 POSTS
It sounds like it is slightly going to crank and then nothing.
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Saturday, January 5th, 2019 AT 1:36 PM
Tiny
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The battery is low. You need to get it charged and tested along with the charging system.

That is where I would start.

https://www.2carpros.com/articles/car-battery-load-test

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Roy
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Saturday, January 5th, 2019 AT 1:42 PM
Tiny
LINDA COVINGTON
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  • 14 POSTS
I have charged the battery and even tried to jump start it. Still no luck.
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+1
Saturday, January 5th, 2019 AT 5:10 PM
Tiny
ASEMASTER6371
  • MECHANIC
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What was the voltage after you charged it?

Roy
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Saturday, January 5th, 2019 AT 5:37 PM
Tiny
LINDA COVINGTON
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  • 14 POSTS
12.5.
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Saturday, January 5th, 2019 AT 6:12 PM
Tiny
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Does the starter engage and crank the motor?

Roy
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Saturday, January 5th, 2019 AT 7:19 PM
Tiny
LINDA COVINGTON
  • MEMBER
  • 14 POSTS
The starter engages and slightly cranks it, then nothing. Could it be a bad sending unit?
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Saturday, January 5th, 2019 AT 9:54 PM
Tiny
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It still sounds like a battery issue.

when the engine is cranking, can you measure the voltage at the battery?

the starter may be drawing too much current.

https://www.2carpros.com/articles/how-a-starter-and-solenoid-works

make sure the cables are clean and tight.

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

Roy
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Sunday, January 6th, 2019 AT 4:21 AM
Tiny
LINDA COVINGTON
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  • 14 POSTS
I will see what it reads this morning. I do know that there is definite continuity running from the battery to the starter. Also the transfer of electricity is happening from the starter to the solenoid. I will check for spark and get back to you. Thank you for all your help and patience. I really appreciate it!
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Sunday, January 6th, 2019 AT 5:45 AM
Tiny
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No problem.

We are glad to help.

Roy
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Sunday, January 6th, 2019 AT 6:03 AM
Tiny
LINDA COVINGTON
  • MEMBER
  • 14 POSTS
I apologize for my delay in responding. It has been a hectic day. So when I tried to start it and the voltmeter would drop to 8.5 - 9 volts. I also went ahead and checked for spark and there was not any. I did notice that the entire rail of coil packs was pretty loose and two weren't even making contact. At that point I decided to check the wiring, spark plugs and coil packs. Changed out four spark plugs on the drivers side. When doing this each time I pulled a plug the more oil I would see on them (front to firewall). I cleaned up the coils, and whatever oil I could reach. We tried to crank it to see what would happen and sure enough it actually tried to start and it sounded like the starter was just spinning. You know the sound the starter makes when the teeth are not grabbing? I tried the key again and it went right back to what it was doing, not starting. :( What would make that occur?
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Sunday, January 6th, 2019 AT 5:58 PM
Tiny
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The 8.5 to 9 volts is no good. It should be no lower than 10.8 volts while cranking.

Low voltage is your issue.

Roy
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Sunday, January 6th, 2019 AT 6:02 PM
Tiny
LINDA COVINGTON
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Why did it crank today?
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Sunday, January 6th, 2019 AT 6:34 PM
Tiny
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Did you check and clean all the connections at the battery?

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

Roy
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Sunday, January 6th, 2019 AT 7:03 PM
Tiny
LINDA COVINGTON
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Yes.
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Sunday, January 6th, 2019 AT 10:33 PM
Tiny
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Then we are back to the battery. It is failing under load.

Roy
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Monday, January 7th, 2019 AT 3:27 AM

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