P0759 Engine Trouble Code
What is P0759?
With P0759, you may drive for several weeks with a malfunctioning MAF sensor, but expect decreased fuel economy and eventual stalling. Shop replacement costs $240–$400 depending on vehicle. The labour is straightforward, with most cost from the part itself.
Code Information
| Code Type: | OBD-II Powertrain (P) Trouble Code |
| System: | Powertrain |
| Code: | P0759 |
P0759 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
P0759 Code Structure
Understanding what each digit means in the P0759 powertrain trouble code:
| P | 0 | 7 | 5 | 9 |
|---|---|---|---|---|
| Powertrain Code | Intake Valve Control Solenoid Circuit Low | Fuel Rail Pressure Sensor Circuit Malfunction | Cylinder 1 Injector Circuit Low | Reverse Input Circuit |
How to Fix P0759
Diagnostic Steps:
Poor running symptoms align with MAP sensor malfunction. In some cases, a faulty MAP sensor will not trigger a code. The issue may represent separate wiring concerns requiring individual diagnosis.
Repair Solution:
Crankshaft position sensor signals the computer for precise ignition and fuel injection timing. Faulty sensors cause rough running and reduced efficiency. Modern vehicles enter limp mode and illuminate the check-engine light.
Technical Notes:
Parts or components should not be replaced based solely on P0759 DTC. Consult your vehicle service manual for proper diagnostic procedures, possible causes, and required testing before replacement.
P0759 Description
P0759 OBD-II Trouble Code: Shift solenoid valve B is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (
Main Cause
The primary reason for P0759 OBD-II Engine Trouble Code is: Fuel Rail Pressure Sensor Circuit Malfunction.