Dual Point to Multi Point Injection Questions on a 91 DX

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Old Oct 1, 2002 | 09:10 AM
  #1  
TheSaianITR's Avatar
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From: Midwest
Default Dual Point to Multi Point Injection Questions on a 91 DX

We are have some major problems with a Dual Point to Multi Point injection on my friends 91 DX. we are used a 93 DX intake manifold and throttle body, 89 crx si ecu, and the stock dx wiring harness.
we wired the injectors to the resistor box that we picked up and to the ecu, we also extended the TPS and EACV wires to reach the trottle body. the car starts and their is gas going to all 4 injectors but its throwing a code #4 which is CKP sensor ( crankshaft postion sensor), also we now that we have to wire up the cylinder postion sensor but the article that we are using isnt to straight forward, we now that we have to use an si distributor plug but what is the pug to wire up the sensor, does any one have the ecu pinouts for a 88-91 DX and the dx and si distributor plug, can anyone help in finding a good article about the coversion that explains everything, im using the one from hybrid honda.com but its not that forward also the car startes but wont rev higher than 3,000, and it make wierd rubbing noise, idles funny but drives fine, please help
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Old Oct 1, 2002 | 09:18 AM
  #2  
zCivic's Avatar
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From: Tri Cities, TN
Default Re: Dual Point to Multi Point Injection Questions on a 91 DX (MiggytiMaestro)

Ok b10 and b12 run to the wires that was orginally at c1 and c2 you cut c1 and c2 and run those from the ECU to the blue/green and blue/yellow wires in the diz. That should help I think. If not done may throw you ECU off because if its still connected like factory the CYP is a 4 tooth wheel and TDC sensor is a single tooth wheel.
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