stock carb, weber, and ecm... - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-10-2001, 03:21 PM Thread Starter
 
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stock carb, weber, and ecm...

if you have a weber, do you even need the ECM? all the ecm does is take readings from all the BS emissions sensors and make adjustments to the idle of the carb, right? when you have a weber, you plug all this junk up, so does the ECM do anything?

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post #2 of (permalink) Old 07-10-2001, 03:23 PM
 
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Re: stock carb, weber, and ecm...

Yes you plug it or toss it, and know the ECM doesn't do anything, but may have some connection through it for ignition or likewise, would have to study the wire diagrams. Easiest just to leave the damn thing hidden under there and forget it exists!

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post #3 of (permalink) Old 07-10-2001, 03:27 PM
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Re: stock carb, weber, and ecm...

agreed tim, mines still in there almost year after i went to efi.
BiLLy bOb


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post #4 of (permalink) Old 07-10-2001, 03:33 PM Thread Starter
 
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Re: stock carb, weber, and ecm...

its easy to forget it exists untill it blows up on you... mine shorted out after i put a new alternator (they guys at western auto gave me a bum alternator) and i pulled my hair out trying to find that thing... everytime i would put the key and turn it on the fuse for ignition coil and instument panel would blow... disconnect the ECM and it would start right up, but not idle... weird how it seems as though the circuit for the coil ran through the ECM (since it blew the fuse), but apparently doesnt since the ECM is not required for the engine to run...


Steve [img]/wwwthreads_images/icons/cool.gif[/img]
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post #5 of (permalink) Old 07-10-2001, 08:38 PM
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Re: stock carb, weber, and ecm...

I run a pony carb and took out all the emmisions stuff including the ECM and it runs fine. Looks a lot cleaner under the hood too. The only thing connected to the carb is the vac line off the dist and one wire thats hot while running.

Don't force it, just get a bigger hammer.
post #6 of (permalink) Old 07-10-2001, 08:48 PM Thread Starter
 
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Re: stock carb, weber, and ecm...

what about the PCV valve and that stuff?

Steve [img]/wwwthreads_images/icons/cool.gif[/img]
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