P0394 Opel Signum DTC Code

Opel Signum Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposed Cylinder Engine
Engine Air Intake Process :	Supercharged Engine

Your Opel Signum engine control system detects a problem, the computer stores the diagnostic trouble code P0394 in its memory. To figure out what is wrong with your vehicle you must first extract the P0394 DTC For Opel Signum.

Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check P0394 Opel Signum that the fuel shut-off valve is open and that it is clean. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.

P0394 Opel Signum DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
0	SAE - Generic
3	IC Module 4X Ref Circuit Intermittent, No Pulses
9	TP Sensor Learn Not Complete
4	Cruise Vehicle Speed/Set Speed Difference Too High

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P0394 Opel Signum code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.