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

1989 MAF sensor

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Old Jan 1, 2022 | 07:21 PM
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Default 1989 MAF sensor

Who makes a 1989 MAF sensor with the proper burn-off section.
I tried chinese garbage at autozone, and they throw a code 36. Is OEM still available ?
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Old Jan 1, 2022 | 07:29 PM
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Originally Posted by larryfs
Who makes a 1989 MAF sensor with the proper burn-off section.
I tried chinese garbage at autozone, and they throw a code 36. Is OEM still available ?

Go to junkyard. Second hand parts
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Old Jan 1, 2022 | 07:54 PM
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Current MAFs will throw code 36 because they don't implement the burn circuit. They don't requires the cleaning, unlike the originals (should use MAF cleaner annually instead).

Options:
- Find a salvage, as mentioned.
- Buy a really expensive ($600?) MAF that is to all the original specs, including the burn circuit.
- Have someone disable code 36 in the ECM MEMCAL. This should be about $100, but varies depending on who and/or if they replace the original EPROM with a Flash replacement (a good idea).

I kept with third party and had code 36 disabled, works fine for my '87.
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Old Jan 1, 2022 | 08:06 PM
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No junk yard around here will have any 1989 cars available. They are all crushed already.
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Old Jan 1, 2022 | 08:10 PM
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Originally Posted by larryfs
No junk yard around here will have any 1989 cars available. They are all crushed already.

Try the online salvage yards, or even eBay, Lots of options for good used parts.

I got an 89 MAF and ECM spare 5 or 6 months ago at my local junk yard
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Old Jan 1, 2022 | 08:15 PM
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I got a used Bosch 89 from Mirrock Corvette parts.
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