So the new distributor seemed to fix the codes for the cam and crank sensors on Pearl the Eclipse, but she was definitely down on power when we bedded her down for the winter. I'm thinking it might be something internal and it might require rebuilding.
Rebuild kits aren't horribly expensive on Rock Auto, and come with all new gaskets, seals, freeze plugs, bearings and pistons. I can't necessarily swing one right now, but I've got lots of time.
Tell me I'm crazy to even consider this, and that I shouldn't either pull the engine in there now and rebuild it or buy one from a U-pull yard, rebuild that and then swap it in.
Was it low on power before you started working on it? Are you sure the engine is in time? How about the distributor timing?
So there is no cel currently? Could it be something like a clogged cat?
What makes you think the engine needs rebuilt? What's the compression? Oil consumption? Any noises? How many miles? 121k? Iirc
Rebuilding that 3.0 would be pretty time consuming. Make sure that something else isn't causing the low power issue first.
That engine should last 200k no problem. If it does need a motor, I would be very tempted to get a used one and install it as-is. Usually you can find cheap 3.0's and parts-cars with lowish miles with bad transmissions.
It was fine until, I think, the coil gave up the ghost. It happened out of the blue during startup and threw the random misfire code. It may have jumped a tooth or 2 at the same time.
Once I finally got a new distributor/coil for it, it cleared up the misfire, but it started throwing the cam and crank codes, as well as fuel trim codes. That was due to the distributor using different parts to trigger the cam sensor (the 6G74 apparently uses the same distributor). Got a reman and that stopped. But it was still down on power, sounding rough and smelling like burnt oil, though not heavily.
My thought is that having to run with the misfiring going on did a number on it. The car is 16 years old and essentially a backup at this point. I know it'll be a reasonably massive undertaking, but since it's a toy why not? I haven't had a chance to do anything like check the timing or do a compression test. It could just be that the top end needs refreshing. But it never hurts to think ahead.
Yeah, it sounds like you need to do a few test before taking on such an under taking (task).
Burnt oil ... sounds like the head or valve seats. Do a compression test.
Then go from there
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