Thanks to all of you who responded. Money has been tight and there are definitely some things that need to be addressed with this truck and I can only slowly repair them. Replaced the canister vent valve and next is both downstream o2 sensors because of the codes it has.
I see that ACDelco and...
New to the site. Just picked up my first OBS few months back. 1998 K1500 5.7L. 167,*** miles. I'm wondering what parts to upgrade for motor longevity. I don't care too much about performance, but if a part is more durable than stock but also produces more power in any way, I'll take it. I want...