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Discussion Starter #1
Just a recap, 1985 Toyota Corolla 4AC Engine. This thing is baffling me. It is firing (and running on) cylinders 4 and 2. I have a very light spark on 1 and 3 Lying a plug on the block while running. However when i place the wires back on the plugs in the block it makes no difference at all. I have changed the plugs in these two cylinders and changed the wires. No difference. Equal compression readings on all 4 cylinders. Is there a pickup in the distruibtor that has died on the 1 and 3 side or something? The coil has 1 pickup point so i wouldnt think it can differentiate wich cylinder its feeding.There is a star shaped unit under the rotor button and some type pickup that gets readings from it. Anyone have any ideas?
 

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The Return of the Red Coupe
2010 RAV4 V6
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19,665 Posts
Too bad we couldn't be of any help, not too many own that motor in here that I know of.
 

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New GA User
1997 Lexus LS400
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3 Posts
I would really like to know what this issue was because my 85 corolla has this exact same problem. Tried every thing I could think of with no change
 
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