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cannot get past 3500 rpm?

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Old 03-11-2014, 12:59 PM
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Question cannot get past 3500 rpm?
LH jet 2.2 it was running fine for the past 2 months on my LH jet conversion.. now a mess, co is ok.. any idea.. bad fuel pump?
 
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Old 03-11-2014, 01:19 PM
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Could be a bad cat. Remove (not unplug) your O2 sensor. If there is noticeable alteration in performance, that's it.
 
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Old 03-12-2014, 02:23 PM
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turned out to be a non- bosch ign. rotor..
 
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