Quote:
Originally Posted by ROKN69
Hi Don,
Thank you for replying.
No, the ProCharger is not heading up the ECU - the ECU is in the passenger compartment, under the dash just under the ashtray. It also isn't heating up the crank signal sensor - they are about 4 feet apart in the engine bay.
Do you think a brand new crank signal sensor would exhibit the same issue as an older one? I'm asking because we've changed crank signal sensors and the issue is still present.
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I think it is likely an issue with what is connected to the sensor. It is loading it or not pulling it up properly.
This is all a bit of navel gazing without putting a scope on the crank signal. It really is the best way to troubleshoot it.
One question. You said the tach signal in the title and then talked about the crank signal. The tach signal is generally an output from the ECU. So which signal is the problem?
Don