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2003 silverado 2500hd 6.6 l duramax codes P0135,,P1621,
2003 silverado 2500hd 6.6 l duramax codes P0135,,P1621, u1024 just bought the truck drove it home 3 hours no problem ran fine, now this morning ot work crank just turns over … read more
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Intermittent reduced power illuminated and will not increase rpm over 2000rpm. Throttlebody was replaced with oem just over a year ago. The strang thing is that when it acts up it has a dead missfire. But after cycling the ignition it will go away and run fine. After a couple ignition cycles the engine light will also go back off. … read more
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GM Tech (Cam)
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2004 GMC 2500HD Duramax LLY keeps going into limp. code 0202 sometimes but now it is code 0205. checked all the wiring and replaced the FICM. Once I clear the code it runs fine for a while. Not sure w… read more
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A 05 duramax/allison, and under hard excelleration..limp mode..tranny
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GM Tech (Cam)
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i have a 05 duramax and it keeps goin into limp mode at about
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GM Tech (Cam)
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I own a 2004 Silverado Ext. Cab 2500HD with the Duramax/Allison combo. On a recent trip on the expressway, I went to pass, hit the accelerator, and the tach would stop at 2K RPM, and the engine would … read more
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my duramax wont rev up past 2000 rpm it was running fine..hill
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I need to know what to do when you limp an allison trans. I ...
I need to know what to do when you limp an allison trans. I think it is a limped mode , because it wont go over 2k rpms & that is where it will shift, until i stop & wait for it to reset. It will then… read more
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