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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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#1
05-14-2007, 11:37 PM
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Check Engine Light.... no code??
Hey all..
I have a 1994 Cavalier that recently threw the CEL, about 10 seconds after it goes out after a start. I shorted the ALDL as prompted by everything I've read, and nothing I do can get it to tell me what the code is for! Im pretty sure its the right port.. 12 pin, under the dash... and I've looked at at least a dozen diagrams of the connector.. and still nothing! Does this mean something is fried somewhere? Lol.. any input helps! Steve S 
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#2
05-15-2007, 02:31 AM
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Re: Check Engine Light.... no code??
That means 1 of 2 things. Either you're not doing it right or something's REALLY wrong. If memory serves you jump the pins, not short them. I thought it was the 12 pin and the 11 pin, but don't quote me on that.
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1992 Chevrolet Cavalier Z24 *R.I.P.* 3.1L MPFI (3.1 6cylinder Pushrod 12V) 1997 Chevrolet Cavalier Z24 *R.I.P.* 2.4L "Twin Cam" (2.4 4cylinder DOHC 16V) 2003 Honda Accord EX V6 - The new hotness
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#3
05-15-2007, 08:15 PM
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Re: Check Engine Light.... no code??
Tried it again, and nothing!!!
I am going to try Autozone, and see if they can pick up anything. Are there any known errors that would cause the light to go on, but no code? The light comes on about 10 seconds after the engine is started.. it's so odd. I tightened the gas cap... nothing.. :/
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1999 F150 XLT SuperCab 5.4L 4x4 Red 1994 Cavalier 2Dr 2.2L Blue
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#4
05-16-2007, 11:30 AM
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Re: Check Engine Light.... no code??
It should store a code. And even if it didn't store a code it would flash code 12, indicating its about to show you what codes it has stored.
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1992 Chevrolet Cavalier Z24 *R.I.P.* 3.1L MPFI (3.1 6cylinder Pushrod 12V) 1997 Chevrolet Cavalier Z24 *R.I.P.* 2.4L "Twin Cam" (2.4 4cylinder DOHC 16V) 2003 Honda Accord EX V6 - The new hotness
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#5
05-16-2007, 01:50 PM
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Re: Check Engine Light.... no code??
That's what I figured! The only thing I really did that COULD have caused it to come on (aside of a real problem) is when I was changing the instrument panel bulbs, I took out the "Shift UP" Bulb because it was annoyoing. But I dont see why that would matter (Or could it...?)
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1999 F150 XLT SuperCab 5.4L 4x4 Red 1994 Cavalier 2Dr 2.2L Blue
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#6
05-21-2007, 12:42 AM
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Re: Check Engine Light.... no code??
Enough reading has led me to realize that.. in 1994, some cars (Including Cavaliers)... some were OBD-I with OBD-I ports, and some were OBD-II with ODB-I ports. MY guess is that I have the OBD-II and an OBD-I Port..
Which sucks because I have an OBD-II Scan Tool, but it obviously won't fit. I wonder if there's an adapter or something... >:|!!! Steve
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1999 F150 XLT SuperCab 5.4L 4x4 Red 1994 Cavalier 2Dr 2.2L Blue
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#7
06-08-2007, 06:34 PM
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Re: Check Engine Light.... no code??
Quote:
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1999 F150 XLT SuperCab 5.4L 4x4 Red 1994 Cavalier 2Dr 2.2L Blue Last edited by SteveStLoo; 06-08-2007 at 07:16 PM.
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