silverado122775

I am looking at reseting my CPU. Does anyone know how to do that or know any draw backs from doing it? I have a 2000 Z71 Silverado. Thanks for any input.

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2000 Silverado Z71, 5.3L, K&N GenII Air Intake, Y-pipe Exhaust (no muffler), Bosch Platnium +4 plugs.

jethro_3

Why do you want to reset the PCM? What problems are you having? What do you expect to gain from the reset?

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Mork

I assume he means to clear any OBD (Service Engine) codes. This will have to be done with a scan tool.

silverado122775

I am refering to reflashing the CPU. The CPU's now days learn to adjust to your driving style. I want to reflash it back to standard driving style so that I can gain my MPG back again. I have several long trips ahead of me and need every edge.

Thanks

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2000 Silverado Z71, 5.3L, K&N GenII Air Intake, Y-pipe Exhaust (no muffler), Bosch Platnium +4 plugs.

tykrz

You'll have to take it to a GM dealer who has the equipment. You'll also get all the updates when they do that.

jethro_3

If you are talking about what the PCM has "Learned" you just need to unplug the battery for 20 minutes. The "Learning Process" will take about 200-500 miles to "Relearn" the trim levels and other items.

If you talking about the program that hard program never changes.

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