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FIXED: MAF code 33 and 34

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Old 04-19-2019, 10:50 AM
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Car: 1988 Firebird Formula
Engine: 350 TPI
Transmission: 700R4
FIXED: MAF code 33 and 34

Just wanted to follow up with on the issue I had posted about earlier with it 88 formula 350
thowing 33 and 34 and going into limp mode. After if course throwing parts at it. Relays and maf sensor, I came across the trouble tree posted by Tuned Performance and followed it which led me to the ecm. Replaced and all is well. Pay attention to this guy. ! He knows what he’s talking about. Hopefully is will
help someone in the future
Old 04-19-2019, 12:37 PM
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Car: 1989 IROC-Z 305 LB9 AT Convertible
Engine: LB9 305
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Re: FIXED: MAF code 33 and 34

Always nice when the OP takes the time, to post the end result!

This and other car forum threads, often with days or contributions, end with toe OP NOT posting the outcome. Depriving all who read it with a possible learning experience.

Even if it's "I gave up and traded the car in on a Toyota" post the results. Thank you.
Old 04-19-2019, 06:52 PM
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Car: 1967 Camaro, 91 z28
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Re: FIXED: MAF code 33 and 34

Glad you stuck to it and found the issue.
Old 04-23-2019, 07:34 AM
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Car: 1988 IROC-Z
Engine: 5.7 TPI
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Re: FIXED: MAF code 33 and 34

Originally Posted by Contractor
Just wanted to follow up with on the issue I had posted about earlier with it 88 formula 350
thowing 33 and 34 and going into limp mode. After if course throwing parts at it. Relays and maf sensor, I came across the trouble tree posted by Tuned Performance and followed it which led me to the ecm. Replaced and all is well. Pay attention to this guy. ! He knows what he’s talking about. Hopefully is will
help someone in the future
Yup, I see it time and time again. MAF Code... replace relays, replace MAF.... rarely does anyone do troubleshooting before they have spent that money.

Hopefully others will see this post and do some testing before spending the money on a MAF. I kind of understand with the relays since they are so cheap, but still like to see some trouble shooting first.
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