Location: Leonardtown, MD
Posts: 9,594
My VIN: 03572
If it steady with those numbers, your wide open throttle switch may be on all the time. Try disconnecting one wire from the WOT. That signal is also shared with the thermal throttle enrichment "sw". That could also be stuck on all the time.Originally Posted by Azar
Dose your FV buzz?
Location: Northern NJ
Posts: 8,816
My VIN: 10757 1st place Concourse 1998
It can also be because the O2 sensor is either not connected or is no good.
David Teitelbaum
Location: Leonardtown, MD
Posts: 9,594
My VIN: 03572
Then it would indicate 22 to 23 deg. Of course the accuracy of the dwell meter may be in question.
Posts: 331
My VIN: 02855
Club(s): (NCDMC) (DCUK)
its been said in this thread that the scale the manual uses for Dwell checking is the 4 cyl scale, and when viewed on a meter like the popular Actron, one must double the value displayed on the 8cyl scale to get 4 cyl values.
this results in a on meter reading of 22.5 8cyl scale for a value of 45 on a 4 cyl scale- when the 02 sensor is unplugged.
But, the manual, shows that one should set to 6 cyl scale ! (and this is in only one place that I can find, on page D:04:01 )
Screenshot 2025-05-29 162047.jpg
Location: Leonardtown, MD
Posts: 9,594
My VIN: 03572
If you set to 6 cyl that 45 deg number would never show up.
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Dave M vin 03572
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