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

Codes 33 and 36

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Old May 11, 2008 | 07:43 PM
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From: Brandon Fl
Default Codes 33 and 36

What causes them and what fixes them?

Code #33: Mass Air Flow Sensor High.

Code #36: Mas Air Flow Sensor Burn-Off Function Fault.

I'm also having a rich start issue I don't know if they are connected or not though.

Mods are 1-3/4 long tubes 3" exhaust, x-pipe, cats, no mufflers.
ATI procharger Holley Stealth Ram. Stock heads and bottom end. It's an 87 BTW
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Old May 11, 2008 | 08:12 PM
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Did the codes appear after the Procharger install? Did you have the chip burned to accomodate the mods?
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Old May 11, 2008 | 08:34 PM
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Yes and yes, The car has been running great untill recently it's hard starting real rich. I have to rev it to clear it out then it runs fine. So I pulled the codes and those came up.
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Old May 12, 2008 | 10:49 AM
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http://members.shaw.ca/corvette86/Code%2033.pdf
http://members.shaw.ca/corvette86/Code%2036.pdf
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