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90 GT died on the highway

Discussion in '1987 -1993 Mustang GT' started by collinselectric5, Oct 7, 2017.

  1. collinselectric5

    collinselectric5 New Member

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    My 90 GT all of a sudden died while cruising on the highway, rpms dropped to 0 and I was able to pull to the side of the road. It was windy from all the cars passing but there was some smoke coming from what looked like the passenger side catalytic converter. No fluids at all on the ground or sprayed in the engine bay. Any ideas where I should look first after I get it towed home?

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  2. broncojunkie

    broncojunkie Active Member

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    Check for fuel, check for spark. Go from there. That should at least help narrow it down to where you can start figuring things out.
     
  3. collinselectric5

    collinselectric5 New Member

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    I just checked for spark to the coil & to the distributor cap, I'm good there. I can here my fuel pump prime but is there a way I can check if I'm getting fuel up front without a tester. I'm not home & I don't have access to a fuel pressure gauge right now

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  4. broncojunkie

    broncojunkie Active Member

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    You can press in on the Schrader valve on the fuel rail... passenger side, toward front of the engine. If it's getting pressure, it should spray out pretty good. Just have a rag handy.
     
  5. broncojunkie

    broncojunkie Active Member

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    Of course, that won't tell you if you have "enough" pressure... but will usually tell you if the fuel pump is pumping. I think you need at least 30# of pressure to run. If the fuel pressure seems weak, you'll need to verify with a gauge.
     
  6. collinselectric5

    collinselectric5 New Member

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    But it should at least start with starting fluid right? I tried that to no avail

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  7. broncojunkie

    broncojunkie Active Member

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    Yep. It should. Go back to looking at spark. See if you have spark at the plug end. Also, take your cap off and check to see if the rotor is spinning.
     
    collinselectric5 likes this.

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