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170 Posts
Discussion Starter #1
I just bought a 99 dx civic with this problem. Check engine light is blinking

I did a compression test on all cylinders and I get 175 on cylinder 1-3 then cylinder #4 is around 30 so i changed the piston rings with it I also changed my distributor, sparkplug, plug wires, head gasket, timing belt, water pump, headers (oem), fuel filter and injectors (oem). I also did a valve lash on factory setting and did my timing right.

After all that work the car still mis fires on cylinder #4!

What else do i need to do???

Btw i used the helms manual to do all of this....
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