ECM Readings Jump Around
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Junior Member

Joined: Apr 2007
Posts: 21
Likes: 1
From: Washington State
Car: 1991 Chevy Camaro Z28
Engine: 350 TPI
Transmission: T56
Axle/Gears: 4.10
ECM Readings Jump Around
I recently used TunerProRT to connect my ECM to my Laptop and was able to get it working successfully reading data. However, about once every 1-3 seconds the statistics go crazy for a split second. For example, the TPS, Speed, and RPM's might go well out of range.
My question is, is this normal or is it just me? About 5 years ago I connected to my computer using DataMaster and had similar results, so I dont think its the computer/software.
Attached is the file for TunerProRT. Just rename it to .xdl
My question is, is this normal or is it just me? About 5 years ago I connected to my computer using DataMaster and had similar results, so I dont think its the computer/software.
Attached is the file for TunerProRT. Just rename it to .xdl
Thread Starter
Junior Member

Joined: Apr 2007
Posts: 21
Likes: 1
From: Washington State
Car: 1991 Chevy Camaro Z28
Engine: 350 TPI
Transmission: T56
Axle/Gears: 4.10
Re: ECM Readings Jump Around
I just came across this article this morning. The settings in how my computer reads the ECM may be the problem. I will give it a try sometime this week.
http://support.moates.net/tprtv5-ads-to-adx/
http://support.moates.net/tprtv5-ads-to-adx/
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