gt fast
Active Member
- Joined
- November 19, 2010
- Messages
- 72
- Reaction score
- 0
- Year, Model & Trim Level
- 92 xl
i got a 92 ford explorer with the ohv im guessing. my problem is during hotter days or driving uphill i get a lot of spark knock( the pennies in a can sound). ive tried everything i can think of, ran diff brands/octanes or fuel, ran a full can of sea foam threw the brake booster vacuum hose, few weeks latrer i ran a can threw the throttle body port underneith it. it sounds better for a day or two then goes right backj to noirmal out of no where. it is driving me insane and i really want a fix to it. my MAF was replaced about 5 months ago. my truck is from phoenix arizona where the sound was barly there ever, i drove here to denver co0lorado and it is terrible. ive unhooked the battery for a whole day and it didnt change, my truck feels and sounds like its dieing. please help me.