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Altima's rpms goes up and down after car warms up. I need help please!!! Forums > > Altima's rpms goes up and down after car warms up. I need help please!!! Altima's rpms goes up and down after car warms up. I need help please!!!
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Old 01-08-2021, 12:41 PM
TLMFL TLMFL is offline
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1998 Altima SE-R
2000 Frontier King Cab
1998 Nissan Altima
 
Join Date: Dec 2020
Location: Tampa, Fl.
Posts: 1
Default Altima's rpms goes up and down after car warms up. I need help please!!!

Hello all!

Iím new to this site and I feel like Iím going crazy working on my husbands Altima.

It's a 1998 Nissan Altima 2.4L that the engine idles fine cold but after it warms up
the rpms start going up and down by itself. If I put the car in drive and ease on the gas it stalls.
If I put the car in drive and take my foot off the brake, the car will pull itself.
I checked/tested all the fuses under the hood and under the dash on the driver side.
I removed the radiator and cap, replaced them with new ones.
A friend flushed the engine for me, refilled and burped it.
I replaced the Thermostat, after the engine flush before It was refilled.
I checked and replaced all the holes and clamps, all are tight.
I replaced the Distributor cap, rotor, spark plugs and wires.
I replaced the Fuel filter on the fire wall and checked the pressure on the rail.
I cleaned the throttle body 3 or 4 times now.
I replaced the EGR sensor 3 months ago.
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