No RPM signal in dash
Edit: nevermind
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Bad battery would be the first thing I would check. Make sure the car is getting strong power. How fast do you think it’s cranking?
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I can hear the engine slowing down. It has an upgraded starter and a bigger gauge wire. The needle doesn’t move . It hasn’t since I got it. The wires have been cut and new connectors crimped. I’ve done it again myself. The only other thing I can try is wire the Shaft sensor right to the ecu.
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Originally Posted by marcjj
(Post 4924323)
I can hear the engine slowing down. It has an upgraded starter and a bigger gauge wire. The needle doesn’t move . It hasn’t since I got it. The wires have been cut and new connectors crimped. I’ve done it again myself. The only other thing I can try is wire the Shaft sensor right to the ecu.
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I’m not at that point yet, I’m still hooking things up, but I have enough hooked up to turn it over, and I get no RPM just like before I took it apart ..
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The battery is good, it’s from my running car.
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Originally Posted by marcjj
(Post 4924328)
The battery is good, it’s from my running car.
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The dash is CANBUS driven so you need enough of the harness together for CANBUS to actually work. Do other dash functions work properly? Do you get an rpm signal on the OBD port?
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Originally Posted by Loki
(Post 4924330)
The dash is CANBUS driven so you need enough of the harness together for CANBUS to actually work. Do other dash functions work properly? Do you get an rpm signal on the OBD port?
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Originally Posted by marcjj
(Post 4924331)
So I will try hooking up the upper intake manifold.
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Well I’m deleting the OMP and running Megasquirt 3, but I still want/need the rpm working in dash
https://cimg5.ibsrv.net/gimg/www.rx8...029659800.jpeg |
Its wholly possible that it not being connected could be the issue. Why do you need to know the RPM with the manifold off?
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Originally Posted by CaymanRotary
(Post 4924334)
Its wholly possible that it not being connected could be the issue. Why do you need to know the RPM with the manifold off?
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Originally Posted by marcjj
(Post 4924335)
I don’t necessarily.. but it’s an ongoing problem since I got the car and was looking to fix it
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The OMP injector was broke. No crank. Engine flooded with oil..
AGAIN. With everything hooked up I still get no RPM signal in dash |
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