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Getting MAF low frequency

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Old 07-17-2003, 12:20 PM
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Default Getting MAF low frequency

Trying to get my 422 tuned and I'm getting MAF low frequency. I tried a pace maf and it gives the same code. The car starts and runs for 5 seconds or so and then dies out. I've checked for leaks everywhere I can think of but I can't seem to find anything.
Old 07-19-2003, 10:47 AM
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Default Re: Getting MAF low frequency

TTT is this a sign of a large vacuum leak??
Old 07-19-2003, 12:24 PM
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Default Re: Getting MAF low frequency

TTT is this a sign of a large vacuum leak??
I had a huge vacuum leak, due to my Holley intake not seating correctly with a LS6 valley cover and only thing it would do idle at 3K when it went into Closed Loop.

Might be a pinched wire in the harness when you where installing the engine.
Old 07-20-2003, 02:41 PM
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Default Re: Getting MAF low frequency

check your engine sensor fuse under your hood and make sure it's not blown.

On the only two occasions that I've encountered the MAF low frequency code being thrown, that has been the culprit.




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