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Message: [QUOTE="spencer922, post: 1035820, member: 2445"] Hi all, I've got a custom burned chip that was tuned by PHP performance two years ago. The truck is a bone stock OBS, nothing too exciting. The chip worked very well until recently I pulled the switch, brass nut and two clips off to install it within the dash of the truck. (Finally got around to it, go figure). Now, the truck does not seem to change tunes, nor does it seem as if any of the tunes are working. I know this because I can hear the timing change in one the race tune, as well as having a high-idle tune. Truck seems to run well enough. The GP light comes on like normal which seems to rule out a bad ECU. My only thought is that somehow it messed with the connection at the ECU. Does this seem like a correct diagnosis? [/QUOTE]

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