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1.5 engine to a 1.6 v-teck

Tiny
BUTTER1991
  • MEMBER
  • 1994 HONDA CIVIC
  • 4 CYL
  • 2WD
  • MANUAL
1994 honda civic 1.6 v-teck how can I find the right volts to make it work the v-teck work with this car
Wednesday, February 23rd, 2011 AT 7:48 AM

5 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
The VTEC valve is activated by the PCM and if you had replaced the PCM as well, then youonly need to have the correct wireharness. VTEC solenoid operates on battery voltage.
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Wednesday, February 23rd, 2011 AT 12:33 PM
Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
First you need a P28 ecu 92-95 1.6L vtec sohc ECU.

The v-tec solenoid (single green wire) is run to pin A4 on the ECU.

The oil pressure switch, is wired to ground (thermostat housing is a good option for a ground) and the remaining wire on the switch is wired up to D6 on the ECU. There is no need for another wiring harness, you just need to wire up these 3 wires.
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Friday, February 25th, 2011 AT 2:23 AM
Tiny
BUTTER1991
  • MEMBER
  • 5 POSTS
Ok, so there is no way to use the ECU that on the 1994 honda for the car needs a p28 ECU to make this work just make sure I understand the steps motor run but cuts of and trys to over heat.
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Friday, February 25th, 2011 AT 5:31 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
The normal ECU does not have the VTEC function so there is nothing to operate the VTEC valve and monitor the pressure switch.

You definiteely need the P28 ECU as F4I_guy mentioned.

Overheating should not be related to the running or ECU. Check the coolant level, thermostat and cooling fans.

If the VTEC is not working, it shold not cut of. Only performance would be affected. It could be due to othe problems. Is the Check Engine Light indicating?
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Friday, February 25th, 2011 AT 10:26 AM
Tiny
BUTTER1991
  • MEMBER
  • 5 POSTS
It work out for the new 1.6 put the new ECU in the car, did not need the whole wiring harness to make this work. Thank you f4i
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Saturday, May 21st, 2011 AT 6:54 AM

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