Question about 2000 Nissan Maxima

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My 2000 nissan maxima idles down and shuts off if it is in park position. The codes from a diagnostics are PO 171 and PO174.The check engine light comes on for a period and goes off. The engine is 3.0 V6.

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Check camshaft and crankshaft position sensor

Posted on Sep 18, 2010

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My cadillac escalade runs rough in idle.


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The car will not hold rpm.


If you check engine light is on the computer has a code to show what sensor is having issues or perhaps is broken.

If you can keep the car running by staying on the gas pedal its most likely a broken throttle position sensor or a broken idle air control.

Throttle position sensors *(TPS for short) are high wear since they are mechanically changing position everytime you move the gas pedal. The idle air control is less likely but still a possiblity.

Find an autoparts store that will read your on board diagnostic code *(called OBD 2 for short) for free and see if the code is something that just requires a new part.

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I have a code that i need to get the right part..PO174


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if its the mass air flow you should have a check engine code 171 or and 174 to change that sensor it need to be calibrate with nissan computer better be prepare its not cheap over $600 part labour and calibration good luck pierre

Mar 02, 2009 | 2000 Nissan Maxima

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