C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

87 callaway check engine light

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Old Dec 7, 2015 | 09:05 AM
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Default 87 callaway check engine light

my 87 callaway is sending a lean condition code.Any ideas?
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Old Dec 7, 2015 | 09:57 AM
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I'd start by looking for a leak, or unmetered air being introduced somewhere. It's basic troubleshooting.
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Old Dec 7, 2015 | 04:08 PM
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Originally Posted by Scott Luttrell
my 87 callaway is sending a lean condition code.Any ideas?
When are you getting the code? WOT or cruise?

Last edited by SurfnSun; Dec 7, 2015 at 04:08 PM.
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Old Dec 10, 2015 | 01:43 AM
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What specific trouble code are you seeing?
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Old Dec 10, 2015 | 08:35 AM
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Default trouble code

Originally Posted by 89onlyZ51
What specific trouble code are you seeing?
The mechanic that initially looked at it didn't state a specific code.He said that i'd have to leave it for a week or so for him to figure it out. Didn't feel real confident with him. I'ii let you know when i find out.The mechanic that has it now is waiting on the proper equip. to read the codes. I know that mech # 1 never hooked anything up. Just said that yep it was showing a lean code. This was after i told him that the local chevy dealer told me it was running lean but they couldn't work on it.Swear to god!
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Old Dec 10, 2015 | 07:09 PM
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Originally Posted by Scott Luttrell
The mechanic that initially looked at it didn't state a specific code.He said that i'd have to leave it for a week or so for him to figure it out. Didn't feel real confident with him. I'ii let you know when i find out.The mechanic that has it now is waiting on the proper equip. to read the codes. I know that mech # 1 never hooked anything up. Just said that yep it was showing a lean code. This was after i told him that the local chevy dealer told me it was running lean but they couldn't work on it.Swear to god!
Leave it for a week?? Any halfway decent tech can pull codes within 30 seconds. You can do yourself with a paperclip in about the same amount of time. Reputable auto repair shops will have OBD1 code readers that will show the trouble codes and from there a good tech can start the required diagnostic procedures.

I would look for another shop that knows what they are doing.
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Old Dec 14, 2015 | 09:48 PM
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Did you pick your car up yet? What was the original reason you brought it in to a shop?
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Old Dec 15, 2015 | 07:57 AM
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Default 87 check engine light

Originally Posted by Matatk
Did you pick your car up yet? What was the original reason you brought it in to a shop?
My mileage tanked to 11 mi. gal. took it to a chevy dealer and they said that it was running lean but they couldn't work on it. the guy that was recommended still has it. he's waiting for the right diagnostic tool in order to read the specific code. I believe he knows what he's doing. HE FIXED THE AC . ANOTHER ITEM THAT THE DEALERSHIP COULD NOT WORK ON.sHOULD HAVE IT THIS WEEK. THANKS.
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Old Dec 15, 2015 | 07:24 PM
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Originally Posted by Scott Luttrell
My mileage tanked to 11 mi. gal. took it to a chevy dealer and they said that it was running lean but they couldn't work on it. the guy that was recommended still has it. he's waiting for the right diagnostic tool in order to read the specific code. I believe he knows what he's doing. HE FIXED THE AC . ANOTHER ITEM THAT THE DEALERSHIP COULD NOT WORK ON.sHOULD HAVE IT THIS WEEK. THANKS.
I'm glad you found a competent mechanic. But the only special tool needed is a paperclip to check basic trouble codes. If he wants to watch live data, that's different. Check here:

http://www.corvetteforum.guru/module...=20212&forum=1
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Old Dec 29, 2015 | 12:48 AM
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Originally Posted by c4cruiser
Leave it for a week?? Any halfway decent tech can pull codes within 30 seconds. You can do yourself with a paperclip in about the same amount of time. Reputable auto repair shops will have OBD1 code readers that will show the trouble codes and from there a good tech can start the required diagnostic procedures.

I would look for another shop that knows what they are doing.
a code is not going to really tell you what is wrong with the car all the time. It just points you in the direction to go. A lean code could come from anything. Could be as simple as a vacuum leak. He would need to get your car on a scanner not just a code reader and perform a bunch of tests. meanwhile he probably has other cars he has to work on too.
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