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code 3 and 30

Old 05-19-19, 04:38 PM
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code 3 and 30

Hello. I'm new to the forums. I was looking for a answers but I couldnt find any

89 convertible 13B non turbo
I'm getting codes 3 and 30. I replaced the crank angle sensor (code 3) I haven't check 30 yet. but I read that is not a fail safe. either way
the car starts and dies. I checked sparks, fuel, all good.
If i unplug the maf(air meter) i'll get code 10 too but the car wont die. just a rough idle. and if i step on the gas after 4k rpm it drops back to 0 n dies. this is with the maf unplug.
with the maf plugged no code 10 but car stars 3-4 seconds then dies.
any ideas? thanks in advance
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