Questions & Answers for: fuel trim

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...fuel trim used? I'm not quite sure about the code in Hyundai's case but it definitely relates to fuel trim... I could try to hash down the explanation for Short term fuel trim and Long term fuel trim ...

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...Fuel Trim values shown on the HDS scan tool are the primary indicator that an adjustment in fuel delivery has taken place. The scan tool displays the PCM's A/F ratio compensation as "Short Term" Fuel ...

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Fuel Trim Bank 1. This is the fuel correction percentage being used by the closed loop fuel strategy for Bank 1 (if a V style engine or for all cylinders if an inline engine). If the fuel system is in

Question about 2003 Galant

2 Answers

fuel trim values are around 0 percent for both short term and long term fuel trim. A positive fuel trim value indicates the ECM is adding fuel in order to compensate for a lean condition by increasing

...Fuel Trim - Bank 1 - 30.47 % 7 Long Term Fuel Trim - Bank 1 - -13.28 % (yes that's a negative 13.28%) 8. Short Term Fuel Trim - Bank 2 - 18.75 % 9.Long Term Fuel Trim - Bank 2 - 20.31 % 10 Fuel Rail ...

Question about 2001 Corolla

1 Answer

...fuel trim is driven rich beyond a certain value. Possible causes are: 1. Exhaust system leak. 2. Improper fuel pressure. 3. Fuel injector restricted. 4. Defective heated oxygen sensor No. 1. 5. ...

Question about 2001 Corolla

1 Answer

...Fuel Trim System Lean at Idle Fuel Trim Description The Engine Control Module (ECM) controls the air/fuel metering system in order to provide the best possible combination of driveability, fuel ...

...fuel trim code.  Something is causing the fuel trim on bank 1 of your engine to reach a predetermined maximum set point.  This can be caused by many things including vacuum leaks, ...

...fuel trim (bank1) what does this mean code p0170 refers to two problems fuel trim bank 1 --malfunction heated oxygen sensor(HO2S) 3 bank1 --circuit malfunction for the first error==causes-- intake ...

fuel trim bank 1 sensor 2. When car runs the output voltage will change but whether it's running or not the % reading is always 99.2% what wrong What code P0000 ? Fuel Trim Index Fuel Trim % 0% +/- 10

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