have a screeching noise under hood thought it might be fan belt pulled code PO191. started up engine and got reduced engine power. truck ran fine except little power engine symbol came on dash. next day went to parts store to get code read truck had full power. again not open went to other store, not open got back in truck code clear on dash drove from Colorado to Texas no problem. got home and had this screeching noise.
Aug 2, 2021 at 8:45 AM
