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

Code 36

Old Apr 27, 2026 | 04:17 PM
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Default Code 36

So I have the 36 SES on my 89. I replaced the burn off relay and still came back. Check the MAF sensor and looks great. Nothing on it looks clean. I don’t want to buy a new sensor just to throw parts at it. For the most part the car runs great, but bogs down when I floor it. Any suggestions?
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Old Apr 27, 2026 | 06:35 PM
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Old Apr 28, 2026 | 12:24 AM
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I stopped searching after a couple of years
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Old May 1, 2026 | 06:45 PM
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When code 36 (assuming this is same MAF Burn Circuit from my '87) is active, the ECM changes tune to non-dynamic. Not good.

All kinds of threads on the forum regarding addressing code 36, why it fails in the first place, why it clears when battery is disconnected and first run, etc. Search a bit.

I had similar and replaced my MAF with a modern with no burn circuit and hired a tuner to disable code 36. Been working great, though I have to remember to clean my MAF once a year.
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Old May 1, 2026 | 06:57 PM
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Originally Posted by AGENT 86


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Did you find that information in a book like this


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Old May 1, 2026 | 07:32 PM
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Originally Posted by BET VETTE
Did you find that information in a book like this
No, my 86 manual has all sections, not just the electrical supplement.
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Old May 2, 2026 | 11:21 AM
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Originally Posted by BET VETTE
Did you find that information in a book like this
BET VETTE: This is called the FSM (Factory Service Manual). This is published for EACH specific year of Corvette, as each one is a little different, mostly.

You can find these all over for around $30-40.
Example is rockauto.com, goto your year (1986 I assume)->Chevrolet->Corvette->Literature->Repair Manual. Several companies print these, but you can tell from the front cover.

1986: https://www.rockauto.com/en/catalog/...r+manual,10335
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