Questions & Answers for: Lexus do loop codes

Codes I got were P1120 and P1121 - Accelerator Sensor problem. However it wasnt really the Accelerator Sensor, it was indeed to actual electrical Motor that controls the opening of the Butterfly valve

...Engine started cold (ECT sensor signal less 86�F), engine runtime over 20 minutes in closed loop, vehicle driven to a speed of 55-60 mph, and the PCM detected the fuel tank pressure indicated ...

...(sounds like marbles in the engine). If it is truly faulty the computer will go into fail-safe open loop mode which would reduce economy. If it is running as good as before and your mpg have not ...

...Go to auto zone check codes it is free, ABS is the problem could be the hub bearing sensor is bad because 99, could be the bad wire broken in a loop near the wheel, worst is ***** wire, low

...will clear the trouble codes,so that yor service engine light goes out,and will set your vehicle into open loop mode,which means factory settings. this will get you by,till you get the part

loop is supposed to happen within a few minutes of start-up to cut down on emissions.The code means the temp reading is below 195 degrees for too long, which is usually a faulty thermostat.  Once

codes p0125 code p01come on says insufficient coolant temperature for closed loop fuel control Here's a link to P0125.Here's code P1155.

... Well code 125 means the engine is not getting hot enough for the emission system to go into closed loop. So you would check the thermostat first. If the engine is reaching normal operating temp of ...

...codes I'm left with are P0125, P0325, P0330, P1155, P1155 again. PLEASE PLEASE HELP!!!! Insufficient Coolant Temperature for Closed Loop Fuel Control http://www.autocodes.com/p0125_lexus.html Hi ...