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| Engine Management (EFI) Stand-alone solutions for your Roadster! Questions, answers, and tech-talk! |
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04-30-2012, 04:12 AM
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#1 (permalink) |
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Noob
Join Date: Jun 2011
Posts: 5
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NA8C not starting
Hi guys,
Need ur help my car doesn't start... Looks like a déjà vu ?  So, here's the deal ... My NA8C isn't starting for a month ! Started fine one day, didn't start next day. Nothing changed ( except AFM wiring; lengthen wires of 20 cm) First diag : no spark at all ( none of 4 cylinders ) I tried many things, including this : Testing CAS - working Testing Coils - internal resistance is 9.3k ohm for both - working No wiring problem between components and ecu ( 2*4 coils pins, ok. 4 CAS pins, ok ) 12v coming to coils 0v ( don't know how to say in english ) on engine and ecu is ok too ..Also tested ECU led diag ... led never lighted up ! ( tested on a separate power AC, so the led was working ) My battery is ok, my starter is working. spark plugs are like 2k km old. 4 spark plugs at a time ? surely not  No coils to test. 2 coils at a time ? surely not I thought of AFM, but car is supposed to start, even without it .. Any idea on what's going on ? I have no more idea on what to do ...  Thanks guys ... U're my last hope 
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04-30-2012, 07:16 AM
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#2 (permalink) |
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CR.net Supporter
Join Date: Nov 2010
Location: Alabama
Posts: 2,956
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Re: NA8C not starting
Someone will help, be patient!
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__________________
'94 Sepang blue project :: '95 flat black, HT | riced, JR45 '89 2WD, burgandy, Lariat F-150 | leveled w/ 31s Quote:
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04-30-2012, 07:22 AM
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#3 (permalink) |
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Supporting Member
Join Date: Jun 2011
Location: Indianapolis, In
Posts: 1,650
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Check all your grounds first.
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__________________
My Build Thread 1993 Electronic Pearl Blue Miata- Brain built MS2,Stock 1.6 with a SR20 turbo on 14 psi, 3 inch downpipe to open dump, custom stainless steel tubular manifold, Rx7 460cc injectors, MTX-L wideband. Slam Thread  Quote:
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05-06-2012, 11:12 AM
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#6 (permalink) |
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Cr.net is addicting
Join Date: Mar 2010
Location: NoVa
Posts: 1,994
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Re: NA8C not starting
Ok i double checked mine an i had 1 of the 2 red wires crossed . There should be 2 red wires going to the plug one of the wires is a shielded wire the other isn't . Make sure you have the solid red wire connected to the shielded one .
I'm still unsure if this is the cause of a NO start but it doesn't help . |
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__________________
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