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no fuel no spark vtec d15b swap

Discussion in 'ECU's, Electronics, and Tuning' started by joker01, Jan 9, 2012.

  1. joker01

    joker01 Member

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    hey guys am beat with this prob i have i jus finished a swap in my concerto which i kinda forgot but anywho,the swap is a vtec d15b and when i tried to start it, it jus cranks no fuel no spark. i have a fuel psi gauge and it reads 0psi could anyone help me out and am using the pp4 non vtececu i got with the car for now until i get myself a chipped p28
     
  2. lostsoulzprophet

    lostsoulzprophet delslow

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    is the fuel pump coming on.
     
  3. joker01

    joker01 Member

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  4. joker01

    joker01 Member

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  5. lostsoulzprophet

    lostsoulzprophet delslow

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    I would start with checking fuses.
     
  6. joker01

    joker01 Member

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  7. Fernpatch

    Fernpatch Member

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    I think the concerto is kinda like a civic? if so check your grounds and your main relay. Bad ground at the thermostat housing can cause computer problems. The main relay powers the ignition system and the fuel pump.
     
  8. joker01

    joker01 Member

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    a lil more info ecu light stays on solid and am sick for now so when am on ma feet i will double check the ground wires thnx much guys i will let yourll know what my results will be
     
  9. CAFROG

    CAFROG Honda Minion VIP

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    I agree that it might be grounds or the Main Relay (like was stated)

    Trans ground, Valve Cover ground and the engine harness ground near the thermostat.
     
  10. Fernpatch

    Fernpatch Member

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    if the check engine light is staying on solid go straight to the main relay.
     
  11. Dual-500

    Dual-500 Well-Known Member VIP

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    Doesn't the CEL stay on when starting until the engine fires up and the tach signal shows it's running?
     
  12. joker01

    joker01 Member

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    hey guys i found out the ground near the thermostat wasnt connected so i clean it up and connected it but i still aint getting fuel pressure and the ecu is throwing 3 cels code 6,10 and 13.i will investigate code 6 and 10 cause i know where their connections are but am lost with code 13 is says atmospheric pressure sensor
     
  13. Dual-500

    Dual-500 Well-Known Member VIP

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    CEL Fault Code #13: BARO Sensor (Atmospheric Pressure) defective circuit or unplugged / defective sensor. I don't know where this sensor is located on your model. If the MAP is remoted from the engine and mounted on the firewall, it is probably there with the MAP sensor in a cluster.

    About the fuel pressure. Hmmmm, assuming it had fuel pressure before the engine change out. That's an interesting condition. What confirms it has no fuel pressure?
     
  14. joker01

    joker01 Member

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    my glow shift gauge confirmed it but goods news i finally got pressure but i got 2 leaking fuel injectors and am thinking bout changing the iat sensor cuz i cleaned connector side of the sensor and the cel is still there so i will jus swap the spare one i have in and the water temp sensor was cut of my harness so i tried to make one but am gona jus look for a whole harness from a wreck
     
  15. Weezle1

    Weezle1 New Member

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    Just curious, when you check for codes, does the d4 light blink? The cel blink? Or both? If just the d4 light, does the cel stay on as you check for codes?
     
  16. joker01

    joker01 Member

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    jus the cel and yea it stays on showing the codes until i switch of the ignition
     
  17. Weezle1

    Weezle1 New Member

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    when does the ecu light stay solid? When the key is in the ON position?
     
  18. joker01

    joker01 Member

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    i mean it throws the cel normal it was staying solid cause of the un connected ground wire on the thermostat
     
  19. Fernpatch

    Fernpatch Member

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    You sir are correct, on an OBD-1 and OBD-2 car the cel should stay on until the engine fires up. I got the year of the car mixed up and was thinking it was an OBD-0 car. On OBD-0 cars the cel will come on for about 3-5 seconds when you turn the ignition to the run position while the fuel pump primes and than it will shut off. I have seen many 88-91 civics that had the cel stay solid and no fuel pressure. All of them have been fixed by replacement of the main relay.
     
  20. Dual-500

    Dual-500 Well-Known Member VIP

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    Good to know. I transitioned my '91 hatch from OBD0 to OBD1 and had no idea of the CEL function modes when I got to the initial startup phase. What. Ads it. Ore fun was I had to troubleshoot a few things like grounds I forgot to connect. ECU was dead, no CEL, nothing. So, needless to say, I got smart on it. :)

    Mine had fuel pressure, but no spark. No CEL initially either. Figured out ECU was dead and traced it back to grounds, then sorted out dizzy sensor wiring and it cranked up.
     
    Last edited: Jan 17, 2012
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