code

griff364

lh8 is a 4 cylinder engine rpo code:

http://aplsweb.com/Topics/TopicPix/RPO.pdf

What year is your truck? Use the above RPO list and let us know exactly what engine you have...
Just in case... Your RPO codes are in your glovebox.

puppeteer

My truck has been giving a engine code every once in a while, It happens when i do a hard acceleration going about 55-65. The code it gives me says it is a 5th gear incorrect ratio. Well after doing alot of reading and research also talking ...

SilveradoSierra.com

Broadside2009

... 10 hours, left and headed to the shop to put the scan tool on it. Ran fine the whole way (1 hour drive around 35 miles) It came up with a P0300 code. But due to it running fine and me having no time to look into it more I took off. Drove 200 miles (4.5 hours) didn't sputter the whole time! Then ...

robfriedenberger

i dont think an 02 code would cause that.....With that being said dose this only happen at idle, how long has this been happing, any thing been changed before this started happing. This could fall a few different ways the easyest thing ...

09chevyman

I would have it scanned to make sure the code are gone....if not definitely have them cleared...

HOD913

well got it to the dealership and couldnt even do a code read on it. the truck kept disconnecting from the tool and could not get a solid full reading. The techs my buddies guessed and they believe some wires in the dash is either unhooked, broke, ...

09chevyman

Holy crap that is a high ratio...I got this from another post... There is an option code label in the glove box, rear axle options begin with a G G80 Differential, heavy-duty locking rear G80 Differential, automatic locking rear G80 Differential, heavy-duty automatic ...

Hcorps

In Dash code had 2 "G" numbers GU2 and G80..Im assuming the GU2 is the ratio and G80 is limited slip..

Hcorps

Ill check the code on the glove box sticker to make sure. Changing the actual gears sounds too expensive for me. I think Im gonna go with the Superchips Flashpaq 2865 Tuner its reasonalbly priced (249) and seems to do everything the others do..

Mhugill

I checked the sticker in the glove box and the only code that started with an (L) was L59. Is that it?

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