1992 Ford Taurus GL (3.0 L OHV) Power Steering High Pressure line with Switch

edherba · Mar 27, 2020

Hello all,
I am replacing the power steering lines on my 1992 Ford Taurus GL (3.0 L OHV). The crossover lines that sit on the rack blew out so I made new ones using the old fittings. I bubble flared the ends and re-installed with old fittings. Hope it doesn't leak.
I ordered a high pressure line from rockauto (API 2647272990) but once I got it, I realized it doesn't have the port to connect the switch. Do I need to connect the switch? Or do I need to order another HP line (with the port for the switch).
Thanks
Ed

edherba · Mar 27, 2020

it's actually called the "power steering pressure sensor". I referred to it as a switch.

Jiyu Shugi · Mar 28, 2020

The computers might get upset, but the power steering system probably doesn't care whether there's a sensor in the line or not. You could also probably "hot-wire" the sensor so it tells the computer it's showing pressure. (Just some thoughts worth about 2 cents...) Why not just plumb it w/o sensor and see what happens?

chartmaker · Mar 29, 2020

What happens is this: When the switch senses you are using PS pressure/power the PCM ups the IAC to up the idle to compensate for the load. Without the switch, the idle will drop a bit when you turn the steering wheel while idling.
-chart-

edherba · Mar 29, 2020

thanks guys. Will it throw an error code you think?

chartmaker · Mar 29, 2020

The PCM does not know the difference. No code. Best pass on your experience.
-chart-

1992 Ford Taurus GL (3.0 L OHV) Power Steering High Pressure line with Switch

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