Check engine light won't come on

Tiny
RHB52
  • MEMBER
  • 1992 DODGE DAKOTA
6 cyl Four Wheel Drive Automatic

I have a 1992 Dodge Dakota and the check engine light won't come on and won't start. Already put a new fuel filter and fuel pump on it and checked fuses and relays. Can't figure out whats wrong.
Friday, September 24th, 2010 AT 8:57 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hello,

This sounds like you have an auto shut down relay that is having a problem here is a guide and a wiring diagram so you can see how the system works and a guide to help you test the relay.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Do that and let me know what you find.

Joe
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Friday, September 24th, 2010 AT 11:18 PM
Tiny
RHB52
  • MEMBER
  • 3 POSTS
Like I said check engine light does not come on. Cant get any codes when it don't come on. I will check the relay tonight
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Saturday, September 25th, 2010 AT 12:44 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
On these vehicles, the light doesn't need to come on. I have owned Dakotas for years. Presently I have a 93. Sold my 92 to get an extended cab.

This guide will help

https://www.2carpros.com/articles/retrieve-trouble-codes-for-chrysler-dodge-plymouth-odb1-1995-and-earlier-car-mini-van-and-light-trucks

Unlike the newer vehicles, the light can be off and codes still be stored in the computer. If you have already tried the process, let me know.

Joe
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Saturday, September 25th, 2010 AT 1:01 AM
Tiny
RHB52
  • MEMBER
  • 3 POSTS
I was trying to check the codes to see what the problem is but when I replaced the relay the system came back to life now everything is running great! Thanks for your help this site rocks.
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Saturday, September 25th, 2010 AT 1:06 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Use 2CarPros anytime, we are here to help. Please tell a friend.

Cheers
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Sunday, September 26th, 2010 AT 12:46 AM

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