C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1984 corvette

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Old Mar 31, 2010 | 07:29 AM
  #1  
nemo1's Avatar
nemo1
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Default 1984 corvette

i have 1984 corvette thougt ecm was bad changed it no diffrence
when turn key to on p[osition check engine does not light.
cant get to flash any codes.have to by pass fuel relay to get started.
also have to prime throttle body before it will send fuel.once engine is running check engine light is on.
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Old Mar 31, 2010 | 04:26 PM
  #2  
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Tom400CFI
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From: Park City Utah
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Have you tried pulling codes while the engine is running? Or using a scan tool?

Have you checked the ECM fuse or power to the ECM?
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