Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

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Old Dec 5, 2021 | 07:37 AM
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Default Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

I have this engine with these codes and stamp
kindly some one guide is it correct or not
and i am facing the problem with the car pickup and the fuel mileage
tell me the solution
is this a 3 stage engine or not ?
And my vtec is also not working




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Old Dec 5, 2021 | 06:33 PM
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Default Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Originally Posted by Scott Gordon
4 speed Automatic 9/8
i have the civic 96 exi
but engine is swapped with d15b single vtec head code p2j-2 year 97
ecu code p6f p01
But i am facing a problem with the car poor pickup
If any body know the solution kindly tell me



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Old Dec 5, 2021 | 10:36 PM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

The block could be a vtec block or non vtec. The difference I believe would be pistons.

The head looks like it could be vtec or vtec e. You might want to pull the valve cover and see if it has roller rockers. If it does it's a vtec e head.

The ECU is something we won't have info on. I believe P01 is Pakistan? We won't know if it's obd1, obd2, MPFI DPFI or Carbureted.
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Old Dec 6, 2021 | 06:01 AM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Originally Posted by TomCat39
The block could be a vtec block or non vtec. The difference I believe would be pistons.

The head looks like it could be vtec or vtec e. You might want to pull the valve cover and see if it has roller rockers. If it does it's a vtec e head.

The ECU is something we won't have info on. I believe P01 is Pakistan? We won't know if it's obd1, obd2, MPFI DPFI or Carbureted.
yes its a pakistan Ecu
but i want to know
What can i do now
the mileage is so poor
with black smoke
And the pick up on low rpm is very bad
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Old Dec 6, 2021 | 07:06 AM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

You cannot run a d15b 3 stage vtec engine on your Pakistani ecu. You need to find an engine that matches your ecu.
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Old Dec 6, 2021 | 07:12 PM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Originally Posted by Chrisfrom1986
You cannot run a d15b 3 stage vtec engine on your Pakistani ecu. You need to find an engine that matches your ecu.
Where do you get it is a 3 stage, there is several motors with a P2J head casting, not just the 3 stage D15B. OP did say it is single vtec so reasonable to believe there is only 1 vtec solenoid. And, what motor is the correct motor for the OP's ECU? That would be helpful information.

D16Y8
96?----------------------------------------P2J-5 (Year Code 9/5)
96 EX Auto---------------------------------P2J-2 (Year Code 9/5)
97 EX 5sp----------------------------------P2J-4 (Year Code 9/7)
97 EX 5sp----------------------------------P2J-1
97 EX Auto---------------------------------P2J-6 (Year Code 9/7)
97 EX Auto---------------------------------P2J-7
97 EX 5sp----------------------------------P2J-6 (Year Code 9/6)
97 EX 5sp----------------------------------P2J-4 (Year Code 9/5)
98 EX Auto---------------------------------P23-2
98 EX Auto---------------------------------P2J-5 (Year Code 9/8)
98 EX Auto (SDN)---------------------------P2J-7 (Year Code 9/8)
99? EX-------------------------------------P2J-4 (Year Code 9/8)
99 EX 5sp----------------------------------P2J-4
99 EX 5sp----------------------------------P2J-7 (Year Code 9/9)
99 EX Auto---------------------------------P2J-6 (Year Code 9/9)
99 ----------------------------------------P2J-5
00 EX 5sp----------------------------------P2J-3 (Year Code 9/9)
00 EX Auto---------------------------------P2J-7 (Year Code 0/0)
00 EX Auto---------------------------------P2J-4

D16Y5
96 HX 5spd---------------------------------P2J-7
98 or 99 HX--------------------------------P2J-6 (Year Code 9/8)


OP can you provide a picture of the ECU board? It might be possible to see if there is vtec(-e) circuitry on it. Won't say if it's vtec-e or vtec but might give a little more info. Knowing which head is on the block would be helpful too.


Originally Posted by Ali rajpoot
is this a 3 stage engine or not ?
You can easily identify this yourself by looking at the back left corner of the head, if you see 1 vtec solenoid it's a single stage vtec or vtec-e head If you see two solenoids, it is a 3 stage head. This too will be helpful information.

Last edited by TomCat39; Dec 6, 2021 at 07:35 PM.
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Old Dec 6, 2021 | 10:10 PM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Not sure where I confused that, I must have scrolled too far into a related thread.
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Old Dec 7, 2021 | 10:45 AM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Let me send the ecu internal picture please check it and uf this ecu is not correct with my engine or head then tell me the exact ecu number that i will change
engine number that i have its d15b single vtec manual transmisson with the head that number is p2j-2 year 97
and the ecu that i have pakistani p6f-p01

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Old Dec 7, 2021 | 06:47 PM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Originally Posted by Ali rajpoot
Let me send the ecu internal picture please check it and uf this ecu is not correct with my engine or head then tell me the exact ecu number that i will change
engine number that i have its d15b single vtec manual transmisson with the head that number is p2j-2 year 97
and the ecu that i have pakistani p6f-p01
I'm sorry, you don't seem to understand. We won't know the correct ECU in Pakistan for you. We will only know USDM, some JDM and maybe some EU ecu's that would be comparable. Can you ask a local Pakistan dealer what motor usually goes with the P6F ecu? That would be beneficial to know. Unfortunately, the Pakastani ECU is not setup the same as our USDM ECU's so it's not as clear. It looks like it might be a vtec(-e) ecu being it has one transistor in the transistor slots. But you have 5 slots while we have 4 on OBD1. So that may or may not be accurate assumption. You can see details about our ECU's here: https://technet.ff-squad.com/how-to/ecu.transcheck/

Also, your block is D15B, the head is not so you can not assume it's a D15B vtec. It could be a vtec-e head on the d15b block. Also there is 2 possibly 3 different D15B blocks.

You need to pull the valve cover to see the rocker arm assembly to identify if it's a vtec or vtec-e head.
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Old Dec 8, 2021 | 12:05 AM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Originally Posted by TomCat39
I'm sorry, you don't seem to understand. We won't know the correct ECU in Pakistan for you. We will only know USDM, some JDM and maybe some EU ecu's that would be comparable. Can you ask a local Pakistan dealer what motor usually goes with the P6F ecu? That would be beneficial to know. Unfortunately, the Pakastani ECU is not setup the same as our USDM ECU's so it's not as clear. It looks like it might be a vtec(-e) ecu being it has one transistor in the transistor slots. But you have 5 slots while we have 4 on OBD1. So that may or may not be accurate assumption. You can see details about our ECU's here: https://technet.ff-squad.com/how-to/ecu.transcheck/

Also, your block is D15B, the head is not so you can not assume it's a D15B vtec. It could be a vtec-e head on the d15b block. Also there is 2 possibly 3 different D15B blocks.

You need to pull the valve cover to see the rocker arm assembly to identify if it's a vtec or vtec-e head.
Thank you so much for your time but i have a question would you please tell me which ecu is best for the p2j-2 9/7 year
i want to know
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Old Dec 8, 2021 | 08:11 PM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

It depends on WHICH p2j it is, there is a vtec and a vtec-e head that is the p2j casting. Each requiring a totally DIFFERENT ecu. There is also the 3 stage p2j head but you state repeatedly your only have 1 vtec solenoid by stating it's a single vtec head.
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Old Dec 8, 2021 | 11:32 PM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

@TomCat39 P6F ecu is for D16Y8 PKDM from 1996 to 1998
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Old Dec 9, 2021 | 07:54 PM
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Default Re: Problem:Foreign Frankenstein, D15B block, P2J Head, P6F ECU

Thank you @Hasan Khurshid , that is very helpful. Do you know if your 96 to 98 is OBD2 or OBD1? If I remember correctly you mentioned your years didn't seem to have the same OBD2 scanner port for the same years USDM did.

Knowing the ECU is the D16Y8 vtec ECU, then we just need to make sure it's the proper Y8 head. If it's the vtec-e head, then vtec engagement is going to make it operate horribly on the upper RPM range. If it is the proper head, then other issues will be the cause of the poor performance and bad fuel economy.
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