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85 code 33 question

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Old Nov 4, 2017 | 04:32 PM
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Default 85 code 33 question

could a air Cleaner Temperature Sensor throw a 33 code, replced the pigtail and the MAF..still 33 code, it backfires when cold but when it warms up its good
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Old Nov 4, 2017 | 05:13 PM
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Check the 2 MAF relays
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Old Nov 4, 2017 | 06:07 PM
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85 only has the one behind the bread box.... i guess im on the hunt
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Old Nov 7, 2017 | 02:32 AM
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The '85 has a "Burnofff Module" that does the same functions as the later 2-relay system.

The error code 33 is a MAF signal problem. Could be a bad connection (like a corroded connector pin) or broken wire between the MAF and the ECM. Try disconnecting the MAF and see how it runs.
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