Question about Cars & Trucks
Posted by Anonymous on
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Posted on Jan 02, 2017
The two codes are both about the fuel rail pressure sensor. I would check fuel pressure with a gauge first.
If pressure is low try the fuel filter before anything else.
P0193 FORD Description The Fuel Rail Pressure (FRP) sensor is a diaphragm strain gauge device in which resistance changes with pressure. The electrical resistance of a strain gauge increases as pressure increases, and the resistance decreases as the pressure decreases. The varying resistance affects the voltage drop across the sensor terminals and provides electrical signal to the Powertrain Control Module (PCM) corresponding to pressure.
Strain gauge type sensors are consider passive sensors. A passive sensor is connected to a voltage divider network so that varying the resistance of the passive sensor causes a variation in total current flow.
Voltage that is dropped across a fixed resistor in series with the sensor resistor determines the voltage signal at the PCM. This voltage signal is equal to the reference voltage minus the voltage drop across the fixed resistor.
The FRP sensor measures the pressure of the fuel near the fuel injectors. This signal is used by the PCM to adjust the fuel injector pulse width and meter fuel to each combustion cylinder.
Read more: http://engine-codes.com/p0193_ford.html#ixzz21vmKrzhU
Posted on Jul 28, 2012
Testimonial: "I've changed the fuel filter, air filter, oil/oil filter, perfored a radiator flush, and the battery and starter tested good."
SOURCE: Vauxhall / Opel Zafira Manuel
then simply select your model and all the available brochures are here for you to download at your leisure. :)
Posted on Mar 20, 2009
this a map sensor, probably just need the sensor replaced, it measurese intake vaccum and adjusts air/fuel mixture accordingly
Posted on Oct 07, 2009
Testimonial: "MANY THANKS TO HONDABOY 47. SPOT - ON. PROBLEM SOLVED!"
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