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I'm pretty sure it has poppets as I know the previous owner. The good news is after a bottle of seafoam in the tank it is running on all eight and no misfire codes for a week.

I'm assuming it has poppet injectors, no seafoam yet. Plug looked and smelled wet.

Glad you're sticking around it seems you are the only one here lester.

96 Tahoe 5.7 170k Code PO 0308 swapped plugs with cylinder #1, swapped wire, checked cap and rotor, not new but not bad, I can see spark on #8 plug out of engine still throws PO 0308 Ran compression test left bank 180, 180, 180, 180, right bank 180, 180, 170, 190 Fuel problem?

Just acquired a 96 Tahoe a few months ago, love the truck except for the fuel consumption but it seems I am losing coolant. When I shut the engine off after a ten mile drive the cooling system sounds like a coffee maker percolating. After reading a few threads here I guess I'll have to put...