Check engine light on?

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
If this is a carbureted vehicle, there would be no MIL.

Fuel filter should be somwwhere near the firewall.
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Sunday, November 15th, 2020 AT 9:22 AM (Merged)
Tiny
COOLHANDLUKE1965
  • MEMBER
  • 3 POSTS
Laugh If U Want but, I Dont Know What A "MIL" Is? Surely It Doesnt Mean " Service Engine Light" Being Carbureted Or Not Wouldnt Have Anything To Do With That, Right?
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Sunday, November 15th, 2020 AT 9:22 AM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
MIL = Malfunction Indicator Light, more commonly known as Check Engine Light (CEL ) or Service Engine Soon (SES).

Being carburetted means the light is not used in the system so you would not find it in the meter cluster.
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Sunday, November 15th, 2020 AT 9:22 AM (Merged)
Tiny
COOLHANDLUKE1965
  • MEMBER
  • 3 POSTS
O.K. Thank You. I didnt Know That. So, It Would Also Not Have The Diagnostic Terminal Or Codes, Or Anything Related To That. Would It?
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Sunday, November 15th, 2020 AT 9:22 AM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
It would have the DLC if it has the feedback carburettor system. The DLC is for testing the variuos emission control components.

There would be no trouble codes to look out for.
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Sunday, November 15th, 2020 AT 9:22 AM (Merged)
Tiny
TOULUT
  • MEMBER
  • 3 POSTS
  • 1987 TOYOTA PICKUP
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Transmission does not switch to OVERDRIVE mode anymore. Transmission shift OK from 1-2-3, just overdrive is the problem. Check engine light does comes on-and-off. Sometimes stays on for a few minutes, then off.

What do I need to do to correct the problem?
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Sunday, November 15th, 2020 AT 9:22 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the computer for DTC's and test the coolant temperature sensor. The computer take its input signals to provide overdrive in a given engine temperature.
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+1
Sunday, November 15th, 2020 AT 9:22 AM (Merged)

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