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Old 06-25-2007, 03:20 PM   #1
Syzygy
 
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cold start, or lack thereof

somewhere around 75% of the time when i go to start my 92 firebird 3.1 i have to play with the gas in order to get it to remain running. this is only for the first 10 seconds or so then it runs smoothly, then after 20 mins or so of driving a check engine light comes on and it runs funny, like its bogging down slightly, not sure if its related, but i think it is.

any help would be appreciated. thank you.
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Old 06-26-2007, 02:52 PM   #2
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no one?
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79 Blazer K5 - Lifted 10 inches on 1 ton axles. 6BD1T swap upcoming.
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84 GMC Sierra
84 Diesel S10 (stock) - Rare 2.2l diesel isuzu powered with a flatbed.
92 S10 longbed - Lowered 3", Undergoing restoration and 20,000gvw diesel/driveline swap.
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Old 06-26-2007, 03:33 PM   #3
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Any codes/SES light?
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The looser the waistband, the deeper the quicksand. Or so I have read.

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Old 06-27-2007, 03:33 AM   #4
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the light doesn't come on during the initial start up, but after a small while of driving.
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84 Diesel S10 (stock) - Rare 2.2l diesel isuzu powered with a flatbed.
92 S10 longbed - Lowered 3", Undergoing restoration and 20,000gvw diesel/driveline swap.
01 Astro LS - Fully loaded work van.
70 GTO - Powered by Cadillac 500
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Old 06-27-2007, 08:10 AM   #5
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I'm thinking there may be a connection there. See if you can find out what the code is. I think places like autozone will read codes for free.
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The looser the waistband, the deeper the quicksand. Or so I have read.

Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.

Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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Old 07-02-2007, 12:14 PM   #6
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Quote:
Originally Posted by BonzoHansen View Post
I'm thinking there may be a connection there. See if you can find out what the code is. I think places like autozone will read codes for free.
Most Autozones will only read codes for OBDII cars, but it wouldn't hurt to call/stop by your local store to check. If not, you can always jump the two pins to see what codes pop up.

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Old 07-02-2007, 12:50 PM   #7
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You should be about to jump the pins on the ADL and the ECM will flash the codes via the check engine light.

How long after starting? 1-2 minutes. Sounds like it could be an O2 sensor. Once it goes into closed loop and the O2s aren't right the ECM goes into LHM while will kill the performance.
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