code 5 ef wont start?

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Old Mar 22, 2014 | 08:37 PM
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Ef4doorwagon's Avatar
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Default code 5 ef wont start?

I did a mini swap using: y8 head, z6 belt, and b7 dizzy. Using p28 with jumper, and using jumper for the obd0 to obd1 dizzy plugs. Car cranks. It was running yesterday when i had it only at mpfi. Now it cranks wont start. Was i mis informed and the obd1d15b7 dizzy doesnt work?
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Old Mar 22, 2014 | 09:31 PM
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Default Re: code 5 ef wont start?

Code 5 is the MAP system. Is your MAP sensor connected? Are all the hoses for the MAP system connected?
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Old Mar 22, 2014 | 10:00 PM
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Default Re: code 5 ef wont start?

Yeah they are. I have a z6 manifold so the map is ontop of tb, didnt have that code when i was obd0. Could the purge solenoid be the one causing this code?

And i put my z6 dizzy on, with 1 bolt, not even all the way on, and the car fired up. But my dizzy timing is way off and i cant rotate the dizzy at all
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Old Mar 23, 2014 | 09:59 PM
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Default Re: code 5 ef wont start?

Maybe its code 41. Anyways, i swapped z6 internals onto b7 housing, and the car runs now, but timing is way off. If i turn the dizzy all the way towards the front of car(towards me) the timing marks are near the ps pulley. If i advance it all the way towards the firewall, the timing gets closer to the cover mark, but still a long way off. Car runs bad, really slow...
Does any one know if my timing is way off because im not using a y8 dizzy? Or is it cuz i need to get those adjustable cam gears?
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Old Mar 24, 2014 | 05:00 PM
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Default Re: code 5 ef wont start?

Originally Posted by Ef4doorwagon
Maybe its code 41. Anyways, i swapped z6 internals onto b7 housing, and the car runs now, but timing is way off. If i turn the dizzy all the way towards the front of car(towards me) the timing marks are near the ps pulley. If i advance it all the way towards the firewall, the timing gets closer to the cover mark, but still a long way off. Car runs bad, really slow...
Does any one know if my timing is way off because im not using a y8 dizzy? Or is it cuz i need to get those adjustable cam gears?
Code 41 is on sensor heater chances are its code 5
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Old Mar 25, 2014 | 11:53 PM
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Default Re: code 5 ef wont start?

Nah it was code 41. Mainly cuz i didnt know how important an o2 is. I had my4 wire o2 plug but had my single wire o2 connected. My car reached 3k rpm after flooring it for like a min, it was that bad haha.
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