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Old 07-06-2012, 07:57 PM   #2
Robert Swartz
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Default Re: Pure Stock-1995 Olds Achieva

Quote:
Originally Posted by art leong View Post
Is that a wasted spark motor? Also are the injectors batch fired or sequential?
Art,

Yes it's a wasted spark motor. The coils fire the injectors in pairs, one coil fires #s 1 and 4, the other coil fires 2 and 3. When I pulled the injectors individually, the engine ran the same. With 1 and 4 being the non-firing injectors. When I pulled 1 and 4 at the same time, the engine ran the same. I had new plugs in it at that time. stopped the engine, pulled the plugs, 2 and 3 had a tannish deposit, 1 and 4 were clean, they had not fired.

This isn't a fresh engine. IF we keep the car. I can pass this off as a learning experience. Right now, I just want to hear it run on 4 cylinders again.
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95 Achieva EF/SA, 78 Mustang II U/SA (work in progress) #354 stock
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