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Discussion Starter #1
Hi. I have a 2010 AC 550s. Installed new injector after many other problems. Still flashing sc 32. Will run on carb cleaner. But then goes back to EFI. Battery good. Fresh gas .any idea what could be wrong? Also a new fuel pump
 

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That is a stored code not an active code.
Do you have spark?
Compression?
Fresh fuel?
Clean air filter?
 

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Discussion Starter #3
Yes to all.. New fuel pump new injector. We'll burn what carb cleaner I put in it and then goes back to EFI. Fresh fuel also. Injector will open when direct voltage applied
 

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What is your fuel pressure? Need 43 psi
 

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Constant , no drops ?
What was the compression?
 

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It has a fuel problem. How long does it take to build pressure?
Injector pulsing with a nice fine atomized mist ?
 

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Discussion Starter #9
Fuel pressure good, injector new. Will only spray fuel when hooked to direct voltage. After it burn starting fluid or carb cleaner it will not run and Flash EFI again. Code still reads injector. Like it's not getting voltage
 

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Have you checked all your fuses?
 

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Discussion Starter #11
Fuel pressure good, injector new. Will only spray fuel when hooked to direct voltage. After it burn starting fluid or carb cleaner it will not run and Flash EFI again. Code still reads injector
 
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