2006 Ford Expedition Q&A
2006 Ford Expedition Question: Low oil pressure came on yesterday. knocking noise. Sometimes it goes off.
The camshaft sensor, crankshaft sensor and 4 coil-packs were replaced on Saturday. Truck was running smooth for about 2 miles. Check engine light came on and the low oil pressure warning came on. Put some oil in(about 2 quarts) and it went off, then it started again about a mile later. - Fordexpi
What kind or brand of oil are you using. Were you low when adding 2qts? - ProfessorG
Have the oil pressure checked with a manual test gauge! - pushrod