P0149 code meaning
Fuel Timing Error
Powertrain system Generic code P01xx codes Check engine light
What P0149 means
P0149 is a diesel code for a deviation of the actual from the target start of injection. On distributor pumps such as the Bosch VP44, a timing device sets the delivery start, and the pump control unit compares the actual position with the target. On the 2003 Saab 9-3 2.2 TiD (GM/Opel engine) P0149 means injection too early – too late is the manufacturer code P1149; it is monitored continuously above 600 rpm and leads to limp mode with limited fuel quantity. CARB has required injection timing monitoring for all diesels since model year 2010. On common-rail systems timing is mostly covered by injector-related codes, so P0149 is rare there.
P0149 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyHard
- Typical labor1 to 8 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P0149
- Check engine light on
- Limp mode with power limitation
- Starting problems up to no start
- Smoke, knocking, rough running
Common causes of P0149
- Most likelyInjection pump wrongly set or drive (belt, key) shifted
- PossibleTiming device or timing solenoid of the pump faulty
- PossibleAir in the fuel or low supply pressure
- Less likelyPump control unit faulty
- Less likelyCrankshaft or camshaft signal disturbed
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Injection pumpInjection timing devicePump control unitCamshaft position sensor
What each part of P0149 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 1 | Area: fuel and air metering. |
| 49 | The exact fault in that area. |
What to do next
- Note P0149 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P0149
What does P0149 mean?
P0149 means "Fuel Timing Error". P0149 is a diesel code for a deviation of the actual from the target start of injection. It is a generic code, so it means the same on every make.
Is it safe to drive with P0149?
Drive gently and only to a workshop. With P0149 the car can go into limp mode (reduced power) to protect itself.
Will P0149 fail an emissions test?
Yes, it can. P0149 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P0149 to fix?
Difficulty: hard. A typical repair takes 1 to 8 hours of work. This is a job for a workshop.
Will P0149 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.