LT1 Check engine light - no error codes
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Joined: Aug 2009
Posts: 197
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From: Serbia - BELGRADE
LT1 Check engine light - no error codes
Hi guys,
I have strange problem with my LT1. When I start the engine, check engine light is on after 3-4 seconds and both fans are on too. When I tried to read error codes with just turned key (ALDL paperclip method), without started engine, I have just code 12 which means nothing!?!?
Is there a chance to read error codes while the engine is working?
I have strange problem with my LT1. When I start the engine, check engine light is on after 3-4 seconds and both fans are on too. When I tried to read error codes with just turned key (ALDL paperclip method), without started engine, I have just code 12 which means nothing!?!?
Is there a chance to read error codes while the engine is working?
Joined: May 2004
Posts: 1,037
Likes: 2
From: Kingsport Tenn
Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Re: LT1 Check engine light - no error codes
If it's a 94 and up the paperclip won't work. You need a cable and some software to look at to see whats going on.
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