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Engine wont run smoothly

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Old Oct 18, 2010
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Post Engine wont run smoothly

The engine is mis-firing. After installing a new distributor, plugs, wires, cap/rotor, timing belt, New o2 sensors and converter. I have an actron cpu and it keeps coming up with Multiple cylinder mis-fires and o2 sensors. It also says cylinder 3 &4 misfire. HLEP.
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Old Oct 19, 2010
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Re: Engine wont run smoothly

Basically make sure you have spark, fuel, and compression. Check your spark with a spark tester, if that's good do a compression check, if you have good compression then you may have a fuel delivery issue. Also did you do your own timing belt and distributor? If so, did you do proper timing adjustments? If your timing is off your car will run like crap.
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Old Nov 28, 2010
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Re: Engine wont run smoothly

thanks!

i have it all going good now. I just have the CODE P0135 coming up for Primary o2 Sensor Heater Circuit Malfunction. I've used a Bosche and Denso sensor and now know its not the sensors but something else. HELP. I dont know how or what to do. Any Ideas?
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