F20/F22 AE86 Swap

legit01rolla
Club4AG Regular
Posts: 16
Joined: Fri Jan 11, 2013 10:37 pm

F20/F22 AE86 Swap

Postby legit01rolla » Sat Sep 22, 2018 3:07 pm

Need help! F22 swap folks!!
Engine- 2005 f22 ap2
Wiring harness - done by dan from swangbiz
Immobilizer’s bypassed.
Fuel pump - walbro gca 311
Engine only cranks but does not start. Seems like
My ecu is not sending the signal to the injectors to
Activate.
I have checked the following:
1. Main harness ground behind engine block ✔️
2. Engine block to chassis ground. ✔️
3. Fuel pressure holding @ 50psi, have fuel going through
the lines and to the rail. ✔️
4. 12v on all injector connectors when ignition is on✔️
5. Checked continuity between injector connectors to
Ecu plug, got 2.0 ohms on all of them.✔️
6. Installed new injectors and checked for pulse
using noid light but failed.✖️
7. Replaced crank and cam sensors still no luck✖️
8. Swapped ecu, still no luck✖️
9. Going to pull the valve cover and check the timing.
Hope this one will fix the starting issue.
Anybody in the bay area that can help me out? I really
Need to get this thing to start!! Im getting stressed out!

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aukword1
Club4AG Expert
Posts: 439
Joined: Fri Dec 06, 2013 6:03 pm

Re: F20/F22 AE86 Swap

Postby aukword1 » Mon Sep 24, 2018 8:09 am

try spraying something into the intake to see if it will start even just for a second. I don't know these engines at all but that will at least tell you whether or not it is fuel related and you can work from there. I know some engines are finicky about MAF sensors and o2 sensors. How is your situation with those?

El Gato Felix
Club4AG Enthusiast
Posts: 92
Joined: Thu Oct 31, 2013 8:47 pm

Re: F20/F22 AE86 Swap

Postby El Gato Felix » Tue Sep 25, 2018 11:44 pm

Make sure you have a good GROUND (-), this happened to me on a 7M-GTE swap in my Mk2 Supra.

legit01rolla
Club4AG Regular
Posts: 16
Joined: Fri Jan 11, 2013 10:37 pm

Re: F20/F22 AE86 Swap

Postby legit01rolla » Fri Sep 28, 2018 10:04 pm

Car starts when spraying starting fluid and dies right away.
Tripled check my grounds and they are all good.

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aukword1
Club4AG Expert
Posts: 439
Joined: Fri Dec 06, 2013 6:03 pm

Re: F20/F22 AE86 Swap

Postby aukword1 » Sat Sep 29, 2018 7:13 am

Does the fuel pump prime with the key on?

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