Battery Relocation Issue (Video Included)
10-08-14, 09:11 PM
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Battery Relocation Issue (Video Included)
I followed Moconnor's write to do a battery relocation in the rear bin (minus the extra fuse box for accessories). 0 gauge was ran from the fuse box to the rear bin, connects to a westco miata battery, and 0 gauge connects to the chassis under the bin.
Once the job was complete the car started right up, and started several times that night.
The next day I tried to start, no go. Although the battery seems to have plenty of juice.
After cranking the battery there is a strange electric motor noise coming from the ISC (pretty sure it's the ISC because if I unplug it the noise goes away).
This makes me think that the the harness that also leads into factory ground isn't de-energizing. Is the ground in the picture O.K.?
I've also tried shooting starting fluid down the throttle body while cranking, no luck. This means I'm getting no spark, but how did that get messed up?
Included are pics and a video, notice the hum after I shut it down.
10-09-14, 10:00 PM
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Just wanted to provide closure. The problem was due to a flooded engine. Removing the EGI fuse and cranking the engine removed the excess fuel, problem solved.
10-10-14, 07:36 AM
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Once upon a time my car was flooded too, and I was hearing the same buzzing after cranking (but with key still in run position). I happened to look down at my PFC Commander and noticed 4% injector duty cycle! The buzzing was my injectors. Seems there's a bug in the PFC that will cause it, under certain conditions, to run the injectors even when the engine isn't rotating.
10-10-14, 03:11 PM
#4
Do you have a PFC?
Once upon a time my car was flooded too, and I was hearing the same buzzing after cranking (but with key still in run position). I happened to look down at my PFC Commander and noticed 4% injector duty cycle! The buzzing was my injectors. Seems there's a bug in the PFC that will cause it, under certain conditions, to run the injectors even when the engine isn't rotating.
Once upon a time my car was flooded too, and I was hearing the same buzzing after cranking (but with key still in run position). I happened to look down at my PFC Commander and noticed 4% injector duty cycle! The buzzing was my injectors. Seems there's a bug in the PFC that will cause it, under certain conditions, to run the injectors even when the engine isn't rotating.
I've had this hapen before...
Freaked me right out Cause I was trying to diagnose a wiring harness problem, thought the harness was toast...
J.
10-11-14, 09:05 PM
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Do you have a PFC?
Once upon a time my car was flooded too, and I was hearing the same buzzing after cranking (but with key still in run position). I happened to look down at my PFC Commander and noticed 4% injector duty cycle! The buzzing was my injectors. Seems there's a bug in the PFC that will cause it, under certain conditions, to run the injectors even when the engine isn't rotating.
Once upon a time my car was flooded too, and I was hearing the same buzzing after cranking (but with key still in run position). I happened to look down at my PFC Commander and noticed 4% injector duty cycle! The buzzing was my injectors. Seems there's a bug in the PFC that will cause it, under certain conditions, to run the injectors even when the engine isn't rotating.
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