So two weekends ago, I went for a cruise with some friends and ran into some problems on the way home. In medium flow traffic at a decent speed (50ish) the car started to miss sporadically. As soon as it happened I knew I had a problem but I was hoping that I could limp the car home. Well, that didn't happen. As soon as I hopped on the highway, the missing became worse to the point I was having trouble cruising at 70 (speed limit).
I pulled over at the next convenient exit. Went straight to the ignition to find that two spark plug wires broke inside the distributor cap, awesome. Had a friend go pull some used plugs and cap off a car he's tearing down and the car drove fine for about a mile and then continued to miss the same way all the way home. So after buying new cap, rotor, coil, and spark plug wires (plugs are newish and look ok) took it for a spin and everything seemed to back to normal. Stopped at a store for a minute, when I left, the car started to miss the same way it was before(SOAFB)
I got the car home and started to poke around under the TB because I read that the TB heater when leaking, can leak into the C191(?) plug and cause similar issues. Well, mine had been leaking and I recently omitted mine. I undid the plug and now notice a tiny puddle of coolant, wtf. Check all hoses in that area for leaks and found nothing and hasn't had a puddle since.
Now the car has a hard time starting on cold starts and stumbles a bit until warm, and once its warm, it idles fine and drives fine. I also now have a full time CEL that I can't get to give me any codes. I am not sure what it is. I have tried testing the TPS but I cant seem to get the Bentley tests to work with my multimeter. I have not tried another one yet.
Any thoughts before I start to throw more money at it?
I pulled over at the next convenient exit. Went straight to the ignition to find that two spark plug wires broke inside the distributor cap, awesome. Had a friend go pull some used plugs and cap off a car he's tearing down and the car drove fine for about a mile and then continued to miss the same way all the way home. So after buying new cap, rotor, coil, and spark plug wires (plugs are newish and look ok) took it for a spin and everything seemed to back to normal. Stopped at a store for a minute, when I left, the car started to miss the same way it was before(SOAFB)

I got the car home and started to poke around under the TB because I read that the TB heater when leaking, can leak into the C191(?) plug and cause similar issues. Well, mine had been leaking and I recently omitted mine. I undid the plug and now notice a tiny puddle of coolant, wtf. Check all hoses in that area for leaks and found nothing and hasn't had a puddle since.
Now the car has a hard time starting on cold starts and stumbles a bit until warm, and once its warm, it idles fine and drives fine. I also now have a full time CEL that I can't get to give me any codes. I am not sure what it is. I have tried testing the TPS but I cant seem to get the Bentley tests to work with my multimeter. I have not tried another one yet.
Any thoughts before I start to throw more money at it?
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