Low, erratic idle- mass nouns flow sensor?

91 nissan maxima, 146,000 miles, idle below 1000 in park, jump around a bit and drops extremely low when in reverse and sometimes stalls. when i press the accelerator within drive between 0 and 30 i get a sputtering nouns, a low rumbling bump engine and little acceleration. once the car get going it seems to right itself and drives fine. freshly had the grease changed and air filter replace a month ago- possibility that jiffy lube jiggle the air flow tube/sensor? the coup¨¦ starts fine, just seem like it's not getting the gas it wishes.

What do i want to do an...



Answers:    Any check engine lights? Usually if the MAF is failing it will trip a check engine light.
A of assistance site for answers is www.maxima.org. Follow the links to the forum for your specific year.
The certainty that the car is competent to run correctly above 30, seems to be pointing to other cause.

When i crank my vehicle it is...


Does it happen solely when the car is cold? I have a similar problem and took it to be tested and found that the "air nouns control valve" not the mass air flow go bad. It cost me in the region of $50 for a new one.

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