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    1993 Cadillac STS Northstar Code S043 Help?

    Hi, I have a 1993 Cadillac STS with a 4.6 V8 Northstar Motor. I did a code run on it and came up with the S043 Code that is current. I looked it up and it means "Speed Signal Fault" Does anyone know what this means? Also where its located on the car and steps for fixing it? Id appreciate any...
  2. M

    1993 Cadillac Seville STS Northstar Overheat w AC and No Heat?

    I'd REALLY appreciate some insight to a problem Ive been having with a car I just bought. Its a 1993 Caddy STS with a Northstar 4.6 V8. I bought the car yesterday (For a steal I thought 1500!) it has 99K original miles and excellent service records. However, When I bought the car it was about...
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