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1993 Mercury Tracer Mystery sensor

Tiny
DMCMSR
  • MEMBER
  • 1993 MERCURY TRACER
  • 1.9L
  • 4 CYL
  • FWD
  • AUTOMATIC
I have rebuilt this 1.9L engine and upon disassembling it I came across a random bolt stuck in a threaded hole on the side facing the firewall. The bolt does not belong there. I would like to put the correct sensor back, but I do not know which sensor it would be. From wires in the area, only 1 that currently does not plug into anything. It will be a single post sensor on the middle back side of the engine. Anyone know of what should be there?
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Saturday, July 11th, 2015 AT 3:08 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It may be item 17 engine coolant sensor or item 6 cylinder identification sensor
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Sunday, July 12th, 2015 AT 8:42 AM

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