P2C58Cylinder 4 Fuel Injector B Offset Learning At Min Limit
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Needs a drive cycle to confirm a fix
- How the car detects it
- P2C58 marks the minimum limit of the injector B offset on cylinder 4. Useful for diagnosis is a look at the A injector of the same cylinder: if P02D2 is stored as well, both valves seem to overdeliver, which points to something both learns share, such as the measurement or the cylinder itself, rather than to one injector. A lone P2C58 points to injector B, for example a seat that drips after shut-off and makes hot restarts long or the first seconds rough. On a four-cylinder engine this is the last cylinder of the row. No manufacturer publishes this code; Volvo's Technical Journal 36016 lists only the opposite code P2C59 for cylinder 4. Detection of an adaptation at its limit is demanded by CARB 1968.2 (e)(6.2.2).
- What you may notice
- Check engine light
- Often nothing else noticeable
- Long hot start or rough first seconds, possibly misfire on cylinder 4
- Possibly fuel smell or higher consumption
- Likely causes
- LikelyInjector B of cylinder 4 leaking at the seat and adding fuel after closing
- PossibleReplacement injector of a different flow rating or not matched to the engine software
- PossibleLearned values or engine software not up to date (Volvo pairs an update with an adaptation reset for the related Max codes)
- RareSupply pressure on this injector set higher than the model assumes (regulator)
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Usually a job for a workshop.Typical cost: €0 – €900
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.