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Discussion Starter · #1 ·
Guys,
i know this is a z31 forum but i got a 2002 altima(qr25de) under full thottle around 20MPH it jerks....then with light acceleration i goto 45 and floor it it jerks at 45 MPH then once it does clear 45 mph i can goto about 70 and it jerks again...nissan is sayin its the mass air flow sensor.....i had a guy clean out the throttle body and it ran fine for a while now its back to this jerkin bullcrap...does anyone know a forum for altimas?



Post Edited (Nov 2, 7:52pm)
 

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could be throttle position sensor, MAS, or anything else having to do with the fuel injection system. My car was jerking and stumbling when my Fuel Temperature Sensor broke off. I mean, it really could be anything, especially since its a new car and almost everything is computer controlled.
 

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I'd say either the MAF or the fuel filter.
 

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