P1773 Diagnostic Trouble Code

P1773 is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a P1773 diagnostic trouble code may include:

Fuel pressure too high
Diminished fuel efficiency
Rich or lean exhaust
Engine surge

Possible Causes :

Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
An air leak forward of the DPF will change the sensor readings resulting in the code
Faulty IMRC actuator relay (if equipped)

Repair Processes :

Look at the plug wires to make sure they are not burnt or laying on the exhaust. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness.

Process Tips

Diagnostic trouble code P1773 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before P1773.

Fortunately, P1773 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1773 Trouble Code For Specific Cars

P1773 Cisitalia 1100 Exhaust Valve Control Solenoid Circuit (Bank 1)
P1773 Glas 1300 Over Temperature Fault
P1773 Dkw F89 Idle Control System RPM lower Than Expected
P1773 Holden Hb Power Door Memory Lock Relay Circuit Failure
P1773 Maserati 250 Transmission Clutch Interlock Safety Switch Open Circuit
P1773 Mercury Sable Air Suspension Reservoir Pneumatic Failure
P1773 Renault Kangoo Glow Plug/Heater Indicator Circuit Malfunction