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Showing results for tags 'code p0443'.
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Good morning All, I have an 05 Sierra 2500HD, 6.0, 4x4, Automatic, with 170k miles. Back in march I had to replace the engine with an ATK reman. The bottom end was going out. I also replaced a great many peripheral parts at the same time. *Intake Manifold, Evap purge valve solenoid, Purge valve hose. vent valve and solenoid, evap tank, gas cap (all genuine gm parts) I cannot rid myself of code p0443, I feel like I have read 1000 posts on the subject, and nearly all, have not reached any resolution. I need to sell my truck, but with this code ever present, it makes it difficult. the truck starts fine, idles at 600 rpms, but has a decided shudder from 1500 to 2500 rpms. Seems to have lots of power, no extraneous gas smells. no hesitation. Just that stupid code. I just ordered and installed another purge valve solenoid, cleared the code, started it up again, and without hesitation, the cel came on again. My frustration lies in the fact that most all the system is brand new (gm Parts) can anyone help.....Pleeeeaaase...... I personally don't believe the evap systems are a conspiracy to destroy the free world. (sorry)
