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the ECU has no way of knowing fuel pressure and bad ECU's will cause solid CEL's.

start with the o2 sensor. 90% of the time the problem is there.
 

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Discussion Starter #7
i think we found the problem

his cam was of timing (or whatever it calls) and his ignition too

the sparkplug was white sprinkel (detonation)
so i told him to change that
 
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