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| DeWayne | code H42 for my 94 corvette | ||
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Guru Newb
 
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I relaced all these parts---optispark, ignotion control module, PCU (the computer) I have spark. I have fuel pressure. My 1994 corvette is giving me a code H42. I need help./
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Posted on: 2007/6/6 2:13
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| bogus | RE:code H42 for my 94 corvette | ||
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Grand Imperial Pooh-Bah
 
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knock sensor. I don't see how the KS is gonna keep the engine from starting.
when cold, the engine runs off of tables... at least to start. So you have spark... you have fuel... no start. Do you know for a fact that the injectors are firing? remove the rail and put little paper cups under each injector. have someone try to start the car. that will confirm or deny if the injectors are firing. |
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Posted on: 2007/6/6 4:09
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| CasetheCorvetteman | RE:code H42 for my 94 corvette | ||
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Elite Guru
 
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Hang on a minute here, H42 isnt the knock sensor on a 94, its: DTC #42: Ignition Control Circuit Shorted, 43 is :DTC #43: Knock Sensor Circuit.
  Its on page 6E3-A-90 and 6E3-A-91 in book 2 of the 1994 GM Service manual :book: |
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Posted on: 2007/8/20 7:34
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| bogus | RE:code H42 for my 94 corvette | ||
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Grand Imperial Pooh-Bah
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sneaky bastards.
good catch! |
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Posted on: 2007/8/21 2:28
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| CasetheCorvetteman | RE:code H42 for my 94 corvette | ||
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Elite Guru
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No worries mate
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Posted on: 2007/8/21 6:38
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