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Unread 02-03-2009   #1 (permalink)
5litersofmayhem is offline Rookie

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Default question about the dizzy

hey guys still working on the hesitation problem so im hunting information.

can somone tell me if bad magnetic pickups in the dizzy or a bad ignition control module would cause mid throttle misfiring and hesitation and explain to me why?

thanks guys i know somone out there knows.
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Unread 02-03-2009   #2 (permalink)
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Default

Both the pickup and module can cause that problem.
The pickup's actual name is the Hall Effect sensor. That is what sends inputs to the the module, which in turn send inputs to the computer as to what injector to fire next and for how long. Usually when the pickup fails, it tends to affect the module so the module is recommended to be replaced as well.
When the module fails, the results are the same as when the pickup fails, it's sending incomplete information and that causes the driveability problem. When it's just the module that failed, the pickup isn't affected.
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