My land rover codes P0171, P0174, P1172, P1175, P0734

My Land R, discovey II, is showing all these codes, I have found some info in all the codes except the P0734, I have the description for this code , but not the possible cause or what to loook for in order to fix the problem, can somebody help me out. Thank you soo much!!!

Engine designation? Automatic trans? Year? This info can be helpful for us to assist in diagnosing your problem.

Code P0734 def: Fourth Gear Incorrect Ratio

Is the suspension modified in any way? Tranny or transfer case? If your trans is an auto(i suspect it is) slipping can cause this code.
P0171 and P0174 are generic and indicate your engine is running lean. You can use the search feature if you like to read up on causes, diag., etc. Usually an engine-wide problem like vacuum leak, fuel pressure, clogged injectors, etc. Could be anything. As for your P1172 and P1175 they are specific to Land Rover and I don't have the info at my disposal. Land Rover's are very high end vehicles and require specific material. Like most high end vehicles, the owners rarely take them outside of the dealership and hence, we rarely see them at all.

As for the last two codes, could be a fuel trim problem or could be a Cam sensor code, I really haven't the books for Land Rover.

However, some one else may be able to assist you with those last two.

Yeah the dealer is probably your best bet! Not really a vehicle for the diy type! Tend to be in the higher end of the cost spectrum and the dealer likes to be the only ones with the pleasure of working on them !