Join Date: May 2008
Location: Northern California
HJR is offline
Re: Spark plugs
Do you know when it was last done? If not go ahead and do it, they don't cost much and it'll give you a baseline for the next time it's due.
Might not want to stop with just the plugs, but a full tuneup, wires, cap, rotor, O2 sensor, filters, PCV, etc.
1987 S-15 Extended Cab 4x4. 2.8L 5 Speed.