Chevrolet P1094: Fuel Rail Pressure Solenoid Circuit Malfunction

Is your scanner showing Chevrolet P1094?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

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Chevrolet P1094: Fuel Rail Pressure Solenoid Circuit Malfunction

OVERVIEW

Severity

Medium

DIY Difficulty Level

Intermediate

Repair Cost

$287-$320

Can I Still Drive?

Yes (Short-term only)

What Does The Chevrolet P1094 Code Mean?

Engine started, and the ECM detected the difference between the FRP sensor and commanded fuel injector fuel flow was more than 30 MPa. The ECM uses the fuel rail pressure sensor to detect the fuel injector fuel pressure.

What Are The Potential Causes Of The Chevrolet P1094 Code?

Check the engine oil for fuel contamination
Fuel pressure regulator solenoid circuit is shorted to ground
If you have to prime the fuel system, inspect for a restricted fuel supply line or a fuel supply line air leak
ECM has failed