The spark plug gap for a GM vortec V6 is .060
.60
.60
.045
.065
0.06
.45
Consult the underhood sticker.
Could be a faulty spark plug or spark plug wire.
.060 in inches.
Consult the underhood sticker. By the way, the last Astro was in the 2005 model year.
which plug? oil, coolant, vacuum, hydrolic, or spark?
I was quoted $120 without new spark plug wires.