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Torque » Torque OBD ECU Scanner » Torque Discussion / Ideas » No fuel pressure reading

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Author Topic: No fuel pressure reading
jetflier
Member
Posts: 4
Post No fuel pressure reading
on: July 10, 2014 (GMT)

From the adapter status list, it shows that Fuel Rail Pressure (Absolute) is available. However, Torque Pro Real Time Info nor Torque Scan do not list it anywhere as available or otherwise.
Any help would be greatly appreciated.
Capp777
Member
Posts: 2993
Post Re: No fuel pressure reading
on: July 10, 2014 (GMT)

Have you tried creating your own custom pid
for pid 0159?

Fuel Rail Pressure (Absolute)

Header: 7DF
Mode/Pid: 0159
Equation: ((A*256)+B)*10 ?
Units: kPaA

The header given is for CAN protocol. Your
vehicle’s protocol may require a different
header.
jetflier
Member
Posts: 4
Post Re: No fuel pressure reading
on: July 10, 2014 (GMT)

I see the items (fuel pressures) listed when the Torque Pro is NOT connected.
As soon as I start my car and look for fuel pressure in Real Time Information –> Add Display list, fuel pressures (of any kinds) are not listed anywhere as either active (green) or non-active.
Only thing on the list is the fuel flow which is not active or available.

Edit: I drive 2013 Santa Fe Sport 2.0T

Thanks for the advice. I’ll try to create a custom PID to see if that works.
jetflier
Member
Posts: 4
Post Re: No fuel pressure reading
on: July 10, 2014 (GMT)

Thank You Capp777!!
It worked great.
Now, I am finally getting the Fuel Rail Pressure readings.
Capp777
Member
Posts: 2993
Post Re: No fuel pressure reading
on: July 10, 2014 (GMT)

Just curious… what is your fuel rail
pressure reading with KOEO?

Do your readings look reasonable?
jetflier
Member
Posts: 4
Post Re: No fuel pressure reading
on: July 10, 2014 (GMT)

Good question. I am not sure what is reasonable for this type of an engine. At KOEO, I am getting 2220psi or 15,306kPa.
At idle, I am reading 670psi or 4629kPa rail pressure. I was happy just to get a reading. Now, I have to find out what are realistic fuel rail pressure values for my SUV.
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