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no fuel from injectors 2 & 4

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Old 05-31-2008, 11:14 AM
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Default no fuel from injectors 2 & 4

Last night I finally got around to installing MS. My car will fire right up but its only running on 2 cylinders. Every cylinder has a good spark and I checked my firing order and that looks correct. If the car is running and I disconnect injectors 2 and 4 it does nothing. The car still idles the same. I double checked my wiring and connections and so far they look ok. I still need to get my meter and check for continuity.

Anything else I should check?
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Old 05-31-2008, 11:19 AM
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you can jump a 9v battery to the injector and if it is good, it will click. Are these new injectors?
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Old 05-31-2008, 11:22 AM
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Injectors just came back from getting cleaned and flowed.
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Old 05-31-2008, 11:32 AM
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I would have said CA car, but shouldn't matter for 91. Email me your VIN (ben at mazmart dot com) and I'll run it through EPC on Monday.
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Old 05-31-2008, 03:07 PM
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Just checked the continuity from the injectors to the MS connector and it fine. There is a yellow wire that powers 2 injectors and a yellow/black wire that powers the other two. I'm thinking there is something wrong with my MS.
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Old 05-31-2008, 03:14 PM
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I saw somewhere a couple of days ago that 2 and 4 are batched. Probably something in your MS.
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Old 05-31-2008, 11:19 PM
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i can has msq?


Also:

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Old 06-01-2008, 12:20 AM
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Cleaned the board, reflashed firmware and map, started car again. I get fuel to all cylinder now but I'm fighting some other problems. I'll keep you posted.

Thanks!
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