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

Mass Air Flow Sensor

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Old May 15, 2008 | 11:23 AM
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$300vett
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Default Mass Air Flow Sensor

I am replacing the Mass Air Flow Sensor on my 85.. Should I go back with a stock one ( Having a hard time finding the bosch-- all I have found is the AC Delco ) how much trouble is to change brands from Bosch to an AC Delco or can I upgrade it??? If I do up grade what kind should I go with?

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$300vett

Last edited by $300vett; May 15, 2008 at 07:23 PM.
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Old May 15, 2008 | 09:03 PM
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Originally Posted by $300vett
I am replacing the Mass Air Flow Sensor on my 85.. Should I go back with a stock one ( Having a hard time finding the bosch-- all I have found is the AC Delco ) how much trouble is to change brands from Bosch to an AC Delco or can I upgrade it??? If I do up grade what kind should I go with?

Thanks,
$300vett

I just put a remanufactured one in mine ($180) and it worked great, looks like they rebuild the circutry, and you just exchange the core (housing). Don't know the longevity of these, but I think a new GM unit is around $600.
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Old May 16, 2008 | 06:31 AM
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NAPA, you'll get a "reman" Bosch unit. In an Echlin box, most likely...
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Old May 16, 2008 | 10:07 AM
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Thanks Headed to Napa....
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Old May 16, 2008 | 04:04 PM
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Thanks-- Took the MAF off and cleaned it--runs alot better-- still has a noticable miss-- Found somebody to hook it up and a code 33-MAF sensor or circuit to high came up--- Ordered the new MAF-- wandering if I should go ahead and change the EGR valve??
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Old May 17, 2008 | 10:23 PM
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Originally Posted by $300vett
Thanks-- Took the MAF off and cleaned it--runs alot better-- still has a noticable miss-- Found somebody to hook it up and a code 33-MAF sensor or circuit to high came up--- Ordered the new MAF-- wandering if I should go ahead and change the EGR valve??

The MAF and burn-off relays may also do this, NAPA sells them I think they were $12.
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Old May 17, 2008 | 11:28 PM
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The 85s didn't come equiped with the maf power and maf burn off relays. The control is a module equiped to the computer i believe.
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Old May 18, 2008 | 10:57 AM
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Thanks for the info cwyates4-- but I am new to this --are you talking about the ECM?
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