LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Check engine light flashing.. what's up?

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Old Mar 8, 2003 | 05:24 PM
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DiabloZ's Avatar
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Question Check engine light flashing.. what's up?

So, anyone know what it is supposed to mean when your check engine light just flashes continously???
Old Mar 8, 2003 | 05:38 PM
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It means you have a misfire.
Old Mar 8, 2003 | 05:39 PM
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From: Detroit, MI
Well that means something is wrong with your engine. It is either electrical or emmissions, that is why an OBD system throws a code. Generally we see problems with the OPTI spart, O2 sensor, or MAF sensor, or any other of a hundred sensors on your car. My suggestion is this, bring your car to Autozone, they will dianose this problem for you, then when you have your diagnosis, take it to us, and we will tell you where to go next. Certainly, dont drive it straight to a dealer where they will rip you off emensely. Good luck with your problem,

Charlie
Old Mar 8, 2003 | 05:50 PM
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Thanks guys. I just got the engine back together.. It has Hotcam, new ported heads, and all the goodies. I replaced the Opti plugs and wires all new. I have about 400 or 500 miles on it with no problems.. awsome power. I have had the ses light come on and stay on before but never flash at me. I live 100 miles from a GM dealership and ever farther from a Autozone. I need to invest in a laptop and freescan or something.

I guess I'll check my plug wires. Thanks.
Old Mar 8, 2003 | 07:00 PM
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That means you have a misfire. It might not even be a plug wire though. When I installed my headers I had a misfire and all my wires were all set so I go pretty pissed. I checked the plugs and one needed a good turn or two with the ratchet. So make sure your plugs are tight.
Old Mar 8, 2003 | 10:03 PM
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Originally posted by Killerjello
wow, i havent gotten to use this reply in a while


Plugs/Wires
Yea, like I said in my last post every thing is new.. less then 500 miles. Now that I know the blinking light means misfire I will check them out tomorrow after I get off work. Maybe I burnt up a wire on my headers.. I hope not I paid allot for them .

Not like I'll be cruising the car anywere anyway. We've got about 10" of snow in the past two days. The city plowed the roads and pushed a rock hard snow pile solid up against my car up to the bottom of the drivers side window deep.
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