You can also get some Deep Creep (same stuff in a spray can) and spray it into one of the smaller hoses which are connected to the main air intake tube, or find a vacuum line which sees manifold vacuum and spray in there.

I don't see why Seafoam/Deep Creep would cause any Check Engine lites.

HTH..........ed


'90 Troop 3.4 LS
'89 Troop RS (Has Valve Issues, needs Counseling)
HI, I'm Ed and I'm a Trooper-holic!
Keep On Troopin'......