Question about 2001 Nissan Altima
Service engine light on with code P170, Where is the accelerator pedal position sensor and how do you check it?
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Posted on Jan 02, 2017
this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.
Posted on Oct 22, 2008
It is located under the water pump. Make sure when you remove the sensor that you rotate the crank shaft and look in the hole to make sure the pick up magnet is still in there. Sometimes they come loose and cause a no start or long crank. You will need to have the code cleared still.
Posted on May 06, 2009
one of your vacuum hoses could have gottin disconected, go to autozone and have them pull the codes from the engine for free they will tell you.
Posted on May 10, 2009
The engine speed signal code is generated from the crank sensor. The crank sensor is located on the back side of the engine block. See image.
Posted on Jul 21, 2009
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