Half A Sparkplug!
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Half A Sparkplug!
97 4.0 running rough so I pulled the plugs to see if I could determine anything from their look/smell. I pulled one out and it did not have the ceramic insulator, totally gone! It must have shattered, been burnt up, and pushed out the exhaust. Where is it now? In the cat? No noise from the engine, oil was changed since then and I didn't notice any "extra" crap in the oil. Think a leaking head gasket could cause the plug to explode? I get steam in the exhaust at startup and sometimes even after it's warmed up. Replaced the intake gaskets already and it still runs rough. Any thoughts? Thanks, Vic
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From: Pauline, South Carolina
Originally Posted by vicv
Think a leaking head gasket could cause the plug to explode? I get steam in the exhaust at startup and sometimes even after it's warmed up.
As stated in a previous post, run a compression check. If the check is OK, did you change all the plugs?
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Thanks guys, I did change all the plugs and wires. It still runs rough. I can't find any vac leaks. Coolant does disappear and my guess is that's the steam. Head gasket or other issue with the heads seems likely. Anybody have a ballpark for the cost if I take it to a shop?
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