Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?...
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Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?...
I have a turbo 99 Civic Si. Using an Autronic SMC Plug&Play board. Stock igntion, using an OEM honda distributor.
Car runs GREAT with NO misfires EXCEPT for 5200rpm area. When this happens, the tach moves irradically back and forth, the car pops, stutters, and back fires.
Once I am past this 5200 the car pulls like a train to 9,000rpm with NO problems.
THe tune was fine and A/F is fine. I was told to solder three, 22k ohm resistors to the wires leading to the 3 sensors in the distributor. Autronic had a feeling I was getting some noise from the sensors and it wasn't making the EMS happy. This did NOT fix the problem. I am back at stage 1 again..
I can only think that its the dizzy now, maybe the magnets inside it are messed up? I know autronic is based alot around Bosch sensors, etc.. and nothing about an OEM honda dizzy uses bosch sensors.
Any help would be greatly appreciated.
Car runs GREAT with NO misfires EXCEPT for 5200rpm area. When this happens, the tach moves irradically back and forth, the car pops, stutters, and back fires.
Once I am past this 5200 the car pulls like a train to 9,000rpm with NO problems.
THe tune was fine and A/F is fine. I was told to solder three, 22k ohm resistors to the wires leading to the 3 sensors in the distributor. Autronic had a feeling I was getting some noise from the sensors and it wasn't making the EMS happy. This did NOT fix the problem. I am back at stage 1 again..
I can only think that its the dizzy now, maybe the magnets inside it are messed up? I know autronic is based alot around Bosch sensors, etc.. and nothing about an OEM honda dizzy uses bosch sensors.
Any help would be greatly appreciated.
#2
Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (wade)
only thing i can suggest to to swap the distributor and see if that helps the problem.
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (BoostedJeff)
Jeff, I am going to try that sunday. If it doesn't fix the issue and I can't get it resolved from anyone at all, then i will:
A: save up for coil on plug ( i believe that would work)
B: sell the unit and downgrade to Hondata s300 or something.
I love what I have, but I am tired of this ******* bug.
A: save up for coil on plug ( i believe that would work)
B: sell the unit and downgrade to Hondata s300 or something.
I love what I have, but I am tired of this ******* bug.
#4
Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (wade)
dont downgrade...
If anything, Go with an AEM box and the T1 Cam trigger. I bought this setup because i have heard that this has solved the most complicated ignition problems.
If anything, Go with an AEM box and the T1 Cam trigger. I bought this setup because i have heard that this has solved the most complicated ignition problems.
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (BoostedJeff)
right now I am flat broke and OWE money due to the unexpected motor build.
I might be able to just go with the trigger on my current setup and override the Dizzy. We can make our own trigger kits as we have before and save me MUCHO dinero'!
Art knows all about some Dinero, i am sure.... Kinda like that night at that one pretty boy bar.. called...SPIKE or something like that, he was tossing Dinero left and right to the bar tender.
O yea, i am not a fan of AEM though, AT ALL. I had it, never had it work, and all i hear is so many stories of it losing its Maps, changing maps, elect. bugs, screen glitches, etc... and i have seen this all happen also in real life!
I might be able to just go with the trigger on my current setup and override the Dizzy. We can make our own trigger kits as we have before and save me MUCHO dinero'!
Art knows all about some Dinero, i am sure.... Kinda like that night at that one pretty boy bar.. called...SPIKE or something like that, he was tossing Dinero left and right to the bar tender.
O yea, i am not a fan of AEM though, AT ALL. I had it, never had it work, and all i hear is so many stories of it losing its Maps, changing maps, elect. bugs, screen glitches, etc... and i have seen this all happen also in real life!
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (wade)
Talked to a friend, going completely distributorless will cost me more than i thought. I have to get a cam gear, modify that, make the came gear bracket and sensor, get an obd2 oil pump and that toothed timing belt crank gear, get a 4 channel DIS box, etc....
all this because of a freakin misfire? I dont think thats what i want to do...
all this because of a freakin misfire? I dont think thats what i want to do...
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Re: (ZacCarter)
I will sunday. I did swap them once before and no luck, but i have a feeling now that maybe the one I used was not exaclty in great shape either. I know autronic hates OEM honda sensors, etc...
#10
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Don't mean to point out the obvious but...
Doesn't the ignitor module in the distributor generate the tach signal? I'm 100% sure this is the case in OBD1, fairly sure it is the case in OBD2 as well.
Sean Powers also mentioned something to me regarding honda distributors and Autronic. The electrical "heartbeat" signal produced by the reluctors is reversed from most other manufacturers. The "simple" method to fix this is to swap the polarity of the sensors connection to the ECU. I don't know if you have a scope, but it all revolves around triggering on the positive versus negative edges of signals.
Hope that helps.
Doesn't the ignitor module in the distributor generate the tach signal? I'm 100% sure this is the case in OBD1, fairly sure it is the case in OBD2 as well.
Sean Powers also mentioned something to me regarding honda distributors and Autronic. The electrical "heartbeat" signal produced by the reluctors is reversed from most other manufacturers. The "simple" method to fix this is to swap the polarity of the sensors connection to the ECU. I don't know if you have a scope, but it all revolves around triggering on the positive versus negative edges of signals.
Hope that helps.
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (wade)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wade »</TD></TR><TR><TD CLASS="quote">
I love what I have, but I am tired of this ******* bug. </TD></TR></TABLE>
There isn't any bugs. You have something incorrectly setup or somethings faulty with your engine/setup.
Was this an issue you've had from the beginning or something that just popped up?
Also are you getting any errors in the ecu?
I love what I have, but I am tired of this ******* bug. </TD></TR></TABLE>
There isn't any bugs. You have something incorrectly setup or somethings faulty with your engine/setup.
Was this an issue you've had from the beginning or something that just popped up?
Also are you getting any errors in the ecu?
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (wade)
well today is a good day, the problem comes and goes... and today it hasnt happened. lol
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (wade)
wade, are you sure you just aren't having cold flashes from lack of alky when you drive the car, maybe its all in your head
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (seen4ever)
Ok, heres an update....
Tried another Autronic PnP Ecu, NO LUCK. Tried a different dizzy (brand new) and NO LUCK. I put MY autronic ecu in a friends car and it ran fine, so that says my ecu is FINE.
Seems it is something in MY car, NOT the ecu or the dizzy.... hrmmm
Tried another Autronic PnP Ecu, NO LUCK. Tried a different dizzy (brand new) and NO LUCK. I put MY autronic ecu in a friends car and it ran fine, so that says my ecu is FINE.
Seems it is something in MY car, NOT the ecu or the dizzy.... hrmmm
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Re: Having an electrical bug. Dealing w/ Ignition & Autronic difficulties possibly?... (Jared)
new dizzy, OEM. Vtec is 5200. Even with VTEC disabled, the issue still happens.
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