2000 Toyota Tundra 4.7 Engine Code P0171

Only after all those can be eliminated do you look at the fuel-air sensor s. The auto repairs diagnosis time and labor rates vary by location vehicles make and model and even your engine type. You may have a.

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It was dirty as I dont know whathaha.

2000 toyota tundra 4.7 engine code p0171. If check engine light code P0171 is triggered again check the rest of the vacuum lines for leaks and continue to the rest of the diagnostic process. I found fuel trim to be positive indicating a lean. The Toyota dealership said it was code P0171 -- Fuel Too Lean.

Oftentimes a P0171 means that your Toyota is having trouble with a dirty or faulty mass airflow MAF sensor or a vacuum leak downstream of the MAF sensor perhaps in the PCV line or in the valve itself. They had in hand fuel fouled spark plugs and no explanation as to why. I have a 2001 Toyota tundra 4wd SR5 8 cyl 47L gas FI Truck with 11700 miles.

If the brake booster goes bad and leaks engine vacuum it will affect the fuel trims and the computer will flag this P0171 lean code. Tundra 2000 47 check engine P0125 code. If the problem persists the front oxygen O2 sensor may need to.

The technician was a nice guy and he explained to me that the service manual lists a number of things but. When the oxygen sensor is bad it. Get back in the truckdrive it for 20 minutes CEL.

I arrived to a 2000 Toyota Tundra 34 running rough with a P0171 that was cleared by the shop. Toyota service hooked up computer charged me 8500 and found code for failed bank 2 sensor. While watching the fuel trims on your scanner engine fully.

Do you have a Toyota Tundra and have a check engine light illuminated and stored codes P0171 and P0173 along with a loss of power under load. After 3 years of trying to get the light off to get it inspected i took it in and said fix it. If there are no intake leaks the next step is to replace the air filter and clean the airflow meter.