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DSM Injectors not compatible with Honda ECUs..

Old 04-02-2003, 12:05 AM
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Default DSM Injectors not compatible with Honda ECUs..

I was reading up on DSM injectors in Hondas.. and I found this on Honda-tech.

Posted by Hondata:
DSM 450cc injectors will not work with the Honda ECU - the electrical characteristics of the injector are not suited to the ECU, resistor box or no resistor box.

If you use DSM 450cc injectors you will find the engine difficult to start, and the engine running lean at part thottle, plus tuning is very difficult.

http://honda-tech.com/zerothread?id=456616

It's been discussed on Honda-tech but no one could really answer why some people are having cold starting problems with DSMs, or how to resolve it. So I wanted to post it here to see if anyone has any info to resolve the cold starting issue or more info on this? Also how bad is it to crank your engine for ~3secs before it starts?? Post up if your car hesitates to start when it's cold or any other info you have.
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Old 04-02-2003, 12:09 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

i dunno about all of that stuff you mentioned.

but cranking your engine to try and start it for 3 seconds everytime you start it will probably wear on the starter. but maybe not who knows
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Old 04-02-2003, 12:17 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

mine does that ---- too. i just hit the thottle with a quick jab and it starts up fine...
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Old 04-02-2003, 12:22 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

Zero problems here.

I have the Honda injector driver data sheets, two sets of 450cc injectors, and OBD0/OBD1/OBD2 240cc injectors to play with, so I can figure out wtf is going on if one of the sets of DSM 450's is problematic. They are both blue tops, FWIW.
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Old 04-02-2003, 12:34 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

jeff move this topic.
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Old 04-02-2003, 12:53 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

Originally Posted by shortyz
jeff move this topic.
aww man, the reason I posted in the FI forum was to get a broader exposure hehehe.

btw, I have blue top DSMs too, and cold starting really sucks now.
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Old 04-02-2003, 02:00 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

Very odd, I have used tons of sets of dsm injectors 380's/450s whatever.. No problems

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Old 04-02-2003, 02:55 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

I'm sure JD will get to the bottom of this.
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Old 04-02-2003, 03:55 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

I'm like molasses, brother, slow as nything but oh so rich

Gimme a few days to half a year, same as anything else I'm up to.
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Old 04-03-2003, 10:56 AM
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Default Re:DSM Injectors not compatible with Honda ECUs..

Originally Posted by AbaZ
Very odd, I have used tons of sets of dsm injectors 380's/450s whatever.. No problems

Ditto on my DSM injectors..
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