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Power Strokes
7.3 Aftermarket
Chip install questions
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[QUOTE="Justin@DP-Tuner, post: 1417864, member: 1413"] It may have California model tunes on it? The Cali trucks use a GPCM and not a GP relay, therefor the glow plugs are controlled differently. I would call you tuner and ask him to open the tune files to see if they are all correct. Only other thing I can think of would be timing differences in the stock tune on the chip versus the others. However, this should not even play a big role for startup unless it is extremely cold. Yes, the tunes for NVK and PMT are the same. They are both DPC-422. [/QUOTE]
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