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

MAF problem?? HELP!!!

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Old Jul 25, 2005 | 03:47 PM
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Default MAF problem?? HELP!!!

89 vette, auto, 82,000 mi. Code 33 exists.
Tried:
No vacuum leak
Burn off relay's changed out several months ago
Checked resistance in injectors cold 17 & hot 18
When hot (220 degrees) it runs like it is only on six cylinders.
Parked in driveway idling and heatsup, then cuts out & difficult o start. When started, the "Service engine" indicator is off and the cars runs even worse.
I disconnected the MAF plug and the car starts and runs OK and the "Service Engine' indicator is lit .
The only thing I didn't do was change the temp. sensor.
What do you think?
should I spend the $$ on a new MAF????
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Old Jul 25, 2005 | 04:19 PM
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Generally, if you unplug the MAF and it runs better than with it plugged, it's time to replace the MAF.
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Old Jul 25, 2005 | 05:01 PM
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red L98
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From: Canton MI
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i have one with no screens of fins you can have for 80$ shipped . it flows alot more than stock
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