LT1-LT4 Modifications 1993-97 Gen II Small Block V8

1994 z28 service engine light wont give code when scanning

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Old 07-19-2013, 09:17 PM
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Default 1994 z28 service engine light wont give code when scanning

i have a 94 Camaro z28 that has a ses light on and when I went to jump a and b terminal with a paper clip it would not work or blink but fans would come on. then I tried the cheap 32 dollar GM OBD1 plug in scanner did the same thing no light and no blinks. then I would try it again the ses light would come on and waited for 5 mins and light would not blink but come on with the fans running. This is starting to get me ticked off. is this a Computer being bad? intermitting wiring problem that's common?

Anyone that has had this problem that can help I would be gratefully appreciate it.

thanks
Old 07-19-2013, 09:26 PM
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you bought a $32 paperclip that wont work on a 94 despite what some manuals say.
When I say paperclip you literally can use a paperclip instead of that peice of plastic on vehicles that will flash the code, but again this vehicle will not.

You need a scanner with a display.
Old 07-19-2013, 10:46 PM
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I have a 94 T/A with check engine light on, Same thing turn key plug in paperclip, fans come on light stays solid no flash......
Old 07-20-2013, 07:05 AM
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That old "trick" won't work on these cars. You have to use a real scan tool.
Old 07-20-2013, 08:48 AM
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I believe that will only work on the 93's.
Old 08-03-2013, 06:45 PM
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Originally Posted by Ed Wright
That old "trick" won't work on these cars. You have to use a real scan tool.
i have to agree here i am going through the same problems lol
just waiting on scantool cable
Old 08-03-2013, 06:55 PM
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Check out this https://ls1tech.com/forums/pcm-diagn...-scan9495.html

Last edited by D-Man304; 08-03-2013 at 07:38 PM.



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