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Originally Posted by 94T88Widebody
I have a highly (bolt on) modified 94 supra, stock internals. I recently broke the cam belt tensioner. when I replaced it I had thought there was trouble with timing. come to find out I was experiecing a melting spark plug. As the plug became worse the car ran worse until it did not run. I have since replace the plugs and can not get the car to star. I have spark on the number 2 cylinder but nothing on 1 3 5 have not tested 4 yet and 6 is a pain to get to... any ideas?
I am leaning towards the crank positoin sensor...
Drew
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To begin with, I'd assume your '94 Supra is (was) a TT. If this is not the case, please post.
The problem you describe is unusual, and might possibly be related to a bad ignitor. I'd also suggest we treat this as (possibly) two separate problems:
1) Why did your sparkplug melt in the first place?
2) Why aren't you getting spark in 1,3&5?
...however, before we go too much further please post a bit more about your exact setup (i.e. your complete mods list), as well as the methodology you're using to test spark.