Error code P1190 is displayed and the check engine light is on - what does this mean?
The DTC P1190 is a manufacturer-specific fault code that is recognized by the OBD system and indicates a problem with the fuel pressure regulator or the fuel pressure system. This trouble code mainly occurs in Ford vehicles and indicates that the fuel pressure is outside the specified parameters.
What can cause this fault code?
- Defective fuel pressure regulator
- Clogged fuel filter
- Faulty fuel pump
- Damaged fuel lines
- Defective vacuum hoses on the pressure regulator
- Loose or corroded plug connections
- Faulty fuel pressure sensors
- Clogged fuel injectors
- Defective fuel pump relay
What symptoms occur in parallel with fault code P1190?
- Loss of engine power: Noticeable reduction in engine power, especially under load
- Starting problems: Difficulty starting the engine, especially in cold weather
- Irregular idling: Engine runs unevenly or stutters when idling
- Fuel consumption: Increased consumption due to inefficient combustion
- Jerking while driving: Engine jerks or stutters when accelerating
- Engine stalling: Engine stalls while driving
How can the problem with error code P1190 be rectified?
- Repairing the P1190 error code requires a systematic diagnosis of the fuel system.
- Replace the fuel pressure regulator if it is defective and can no longer regulate the correct pressure
- Replace fuel filter to remove blockages and restore proper fuel flow
- Replace the fuel pump completely if it no longer builds up the required system pressure
- Check the vacuum hoses on the pressure regulator and replace damaged hoses
- Clean and tighten all plug connections in the fuel system
- Replace the fuel pressure sensor if it provides incorrect readings
- Check fuel lines for leaks and replace damaged lines
- Replace the fuel pump relay if it is not activating the pump properly
FAQ - Frequently asked questions about DTC P1190
Can I continue driving with error code P1190?
Continuing to drive with code P1190 is not recommended, as fuel pressure problems can lead to engine damage. You should visit a workshop at the first symptoms.
How much does it cost to repair error code P1190?
The repair costs vary between 150-800 euros, depending on the cause. A new fuel pressure regulator costs around 80-200 euros, while a fuel pump can cost 300-600 euros.
Can I repair error code P1190 myself?
Simple work such as replacing the fuel filter is possible, but work on the fuel system requires specialist knowledge and special tools. Safety risks from fuel vapors must be taken into account.
How long does it take to repair the P1190 code?
Depending on the cause, the repair takes 2-6 hours. Replacing a fuel filter takes about 1 hour, while a fuel pump requires 4-6 hours of work.
Will the P1190 error code return after the repair?
With proper repair and use of quality replacement parts, code P1190 should not recur. Regular maintenance of the fuel system prevents problems from recurring.
What consequential damage can the P1190 code cause?
If left untreated, error code P1190 can lead to engine damage, defective catalytic converters or damaged fuel injectors. Prompt repair prevents expensive consequential damage.