2001 4.6 MAF AD COUNTS and ENGINE SPEED counts are crazy on my data log help please??!! - Forums at Modded Mustangs
 
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post #1 of 3 Old September 24th, 2018, 12:39 AM Thread Starter
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2001 4.6 MAF AD COUNTS and ENGINE SPEED counts are crazy on my data log help please??!!

MAF AD COUNTS and ENGINE SPEED
Are all over the place during trying to catalog tune. I've already ran through some writing to the body control module any input would be thankful.

Below is the build list:

Using sctx3
LIVELINK software

Vortech v2 3.33 pulley
Snow performance stage 2 meth kit
Hi tech stage 2 blower cams
Full bolt ons
Long tubes
Lightning 90mm MAF
60LBS FORD LIGHTING injectors
90mm TB
90mm Plenum
Professional industries intake manifold
4.10s
31 spline axles
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post #2 of 3 Old September 24th, 2018, 11:36 AM
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Can you email me the datalog file? [email protected]
It looks like the maf is pegging, either the sensor is bad or grounding out on something, but its hard to tell with the quality of the picture.

2003 Mustang GT
K&N Cold Air/BBK 78mm Throttle intake/BBK long tubes/BBK cat less X-pipe/Flowmaster 40s
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post #3 of 3 Old September 24th, 2018, 12:33 PM
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Yeah that picture quality is pretty lousy.

Are you logging this on the handheld and reading it later, or are you logging it straight on the laptop? I've seen issues where if you log it on the handheld you get some bad MAF data. I would update all your software/firmware and log it again on a laptop with Livelink II.
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