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Old 11-25-2008, 12:11 AM
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jeffcoslacker jeffcoslacker is offline
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Re: 93 Honda EX still shaking/missing at high speeds

When they loose a crank sensor signal, they default to less than 3500 rpm limp mode...it won't rev any higher.

The signal could be breaking up, and it's going in and out of limp? That would affect the tach reading too, if it's not reading engine rpm/position correctly.

Just a thought.

Take the distributor cap off, and check for reddish/brown oxide powdering coating everything under there...the lower bearing in the dist was known for disintegrating, throwing powdered metal around in there, causing all kinds of problems. The position sensor is in there too...if it's dusted, the bearing will soon fail and break, and the distributor will have to be replaced anyway...
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