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Thread: Nissan Sunny '97 - QG18DE Swap

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    Default Nissan Sunny '97 - QG18DE Swap

    Guys,

    My first experience with an engine swap; got it done in RWP Saddar with a QG18DE (bought from Mushtaq bh).
    The wiring was complete harness to harness and the ECU that came with the engine was ZZ.
    Issues:

    1. Required : OBD-II dash wiring harness as the one already installed is OBD-I and Consult-II wont thus connect to it. Looked all over but cant find the OBD-II wiring harness.
    2. RPM meter not working, the electrician (Ameer, disciple of Malang Ustaad says that a kit is required to be installed as the RPM gets its signal from the ECU).
    3. Auto choke doesnt work (esp on cold mornings when i have to warm the engine up my keeping the pedal pressed).
    4. Black smoke last week but fixed after my last visit to Ameer (after changing the throttle body, coolant temp sensor, Air flow sensor and throttle position sensor).
    5. Faqeer ustaad thinks that the ECU is a mismatch (tried 4 different ECUs but none worked other than the ZZ).
    6. Car's mileage (petrol) is around 10 km/l.

    Any suggestions/way forwards with the above 1,2,3,5 and 6 points ?

    Thanks.


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    Fuel pump is stock. Direct fit onto the swapped engine; dont know the specs star2. I am kinda new to all this - started to look into all of this after the swap. Lemme know all you require for the diagnosis please, I will get it

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    Quote Originally Posted by spectra View Post
    I got my N16 swapped and that is the least intrusive swap for a QG engine. No issues of OBD. Also, i am not a bijli ustaad. The ones who helped me with wiring are now out of PK and not regulars on forums due to busy schedules. I am sure @star2 can guide you (or maybe confuse you further) as he has done this himself.
    gracias....
    success is the ability to go from one failure to the next without any loss of enthusiasm

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    Quote Originally Posted by sarmadz View Post
    Fuel pump is stock. Direct fit onto the swapped engine; dont know the specs star2. I am kinda new to all this - started to look into all of this after the swap. Lemme know all you require for the diagnosis please, I will get it
    All you need is, you have to straighten up the wiring yourself. To start up with, supplying ECU power from your chabi switch, as it should. But first, you should show me pictures, so that I can get hold of the situation....
    success is the ability to go from one failure to the next without any loss of enthusiasm

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    Good Going.....
    @star2 will guide you ............as he recently done his swap....!!
    TOYOTA Sprinter 86- AE80 DOHC 20v'D TOYOTA Corolla 98- AE101 4AFE 16v

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    Hmmm. Thanks @star2. I will be managing some time this weekend for the required pics - will post then

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    Swaps can be very hectic. Did two and mere buss hogaye. Next i have planned a swap and I done a deal with a guy I know in market. He will take engine out from Half cut including the complete wiring from the engine bay and complete dashboard wiring no wire will be cut. Grip to Grip :p.

    Anyways good Luck to you
    Speed costs money, how fast can you afford to go.

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    Quote Originally Posted by Vaqas1 View Post
    Swaps can be very hectic. Did two and mere buss hogaye. Next i have planned a swap and I done a deal with a guy I know in market. He will take engine out from Half cut including the complete wiring from the engine bay and complete dashboard wiring no wire will be cut. Grip to Grip :p.

    Anyways good Luck to you
    But you seemed pretty happy with the results from that 7A-FE. Why selling it now and planning other swap???

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    Quote Originally Posted by IsbCap View Post
    But you seemed pretty happy with the results from that 7A-FE. Why selling it now and planning other swap???
    Yes More than Happy with 7AFE. But its been around 2 years and I need some thing to work on again :p
    Speed costs money, how fast can you afford to go.

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    Goodluck ...
    Yes you are right. Previous Motor was all messed up so just went to the guy for the purchase and he recommended the QG18DE - it is a good engine but I never imagined the mess I would have to deal with afterwards. Really dont have much time to spend fixing all this; wish I could just find an expert, hand him over the car for a day or two and be done with...

    It still is a great learning experience.

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    Default

    Some more picsNissan Sunny 97  QG18DE Swap -1334446Nissan Sunny 97  QG18DE Swap -1334447

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    good luck

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    Nissan Sunny 97  QG18DE Swap -1334449Nissan Sunny 97  QG18DE Swap -1334451Nissan Sunny 97  QG18DE Swap -1334452

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    Nissan Sunny 97  QG18DE Swap -1334455

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    The ECU really does seem to be a mismatch. @syncview... Thanks Loads @syncview @star2 please see if you can find a list of ECUs compatible with the QG18DE motor; I will ask Mushtaq sb to arrange one (stacks of ECUs in Saddar - fingers crossed)

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    I faced this situation in my swap as well. This ZZ ECU is not compatible with JDM QG18DE which by the looks of it is what you have. You need OZ MEC11 - 022
    Keep a cool head and wear seatbelts!

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    @spectra.. Thanks bro. I will hit the search for it. Will get things moving when the right ECU is plugged in.
    Read through @star2's swap thread and I was like "woooooooow"...

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    Quote Originally Posted by sarmadz View Post
    Read through @star2's swap thread and I was like "woooooooow"...
    Don't tell this to @spectra bro, please

    I guess the ZZ ECU is for QG15DE???

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    Quote Originally Posted by IsbCap View Post
    Don't tell this to @spectra bro, please

    I guess the ZZ ECU is for QG15DE???
    Not necessarily, it is for some non JDM variant of QG18. I think it handles more then one O2 and has slightly different maps. Cannot wont with a single O2 engine. But this is only my guess. Experts (if they want to share openly) can tell better.
    Keep a cool head and wear seatbelts!

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