Question about 2002 Nissan Frontier Crew Cab

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Engine RPM goes up when shifting up and down - 2002 Nissan Frontier Crew Cab

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Rpm should go down when upshifting. up when donshifting. do you have a 5 spd. or auto.?

Posted on Jul 08, 2009

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2008 Jeep Commander running fine then slows. Then its won't shift or move over 30 mph. Engine light comes on. Code says chip in transmission needs replaced. Need a good & honest Transmission Shop


there is no chip in the trans. sorry.
check fuses.
then this time scan it and write down the DTCs errors numbers.
and post those, we cant guess these critical facts.

find any ASE shop, and get it checked.
they dont need to cheat you,there work load is near infinite.
no reasons at all.


no over 30mph, did the transmission up shift.?
is it stuck in 1gear. surely you can count the gears shifted?
if not , get a real mech.
if the transmission file the FSM stall test. then this it.
1: tranny RPM goes too high RPM (engine RPM) this is transmission slip.
2: RPM in drive, 1,2, or R, is too low below 1500rpm. STALLED.
this is weak engine. not trans.
see?

google stall test transmission. and read.
or read the FSM
or read same on alldata.com

Sep 16, 2014 | 2008 Jeep Commander

1 Answer

Won't go into gear


is this an auto or stick shifted car, ??? we can not guess this, ever.
you said, Gear, that is stick shift and A/T has no gears.
it has, R, D, 1,2,.. selections... are all 4 dead.?
shudders?
starts,
is RPM 800 or more?
you then shift to say reverse...
and step on the throttle , RPM is 800 and it advances to 1500 or more
and car moves,
does RPM go above 3000 and not move
that means , the tranny (or TCM or sensors) are bad.
if your RPM goes to 2000 and is stuck there, and car will not
move in any shifted rage, 1,2,D,L, then the brakes are iced over.
the key to this mystery is RPM. the engine RPM will tell you
what is happening,
for sure.
post it. and we can tell you.

slipping is when the tranny allows RPM to be unlimited at right foot actions.
if the brakes are frozen the RPM will be at the TC clutch stall speed
that is , about 2000rpm max and will shake there. (5sec max doing that)
see the FSM on stall speed, of your A/T
if this is a clutch car, say so, M/T stick car, say so, that be DIFFERENT/

Feb 01, 2014 | 1999 Honda CR-V

1 Answer

RPM goes up then down when slowing down


my 07 Tc does this also not sure why, but it helps me brake, could be that it is coming out of passing gear, and going back to last gear

Feb 23, 2013 | 2011 Scion tC

1 Answer

When i shift car from P to R or D the rpm suddenly goes to zero and then suddenly goes to approx 2000 rpm.


that should not effect the driving of the car,it's do to the loss of connection in the gear shifter.

Dec 20, 2012 | Cars & Trucks

1 Answer

91 honda accord between 50 and 55 it feels like the transmission shifts up and down conststantly but the rpm only moves from 2100 rpm to 2000 rpm but over or under that speed it runs fine.


Your transmission is probably jumping in and out of "torque converter lockup". The lockup is the most efficient mode because 100% of the power from the engine goes to the wheels and is not lost in the torque converter. It only goes into lockup at higher speeds, but will jump out if the computer senses it needs more power (at the higher engine RPMs) to maintain or increase your speed. I recommend either going faster or slower if this is bothering you. :-)

Feb 05, 2011 | 1991 Honda Accord

1 Answer

RPM is over 400 rpm higher than it should be with no gas pedal.


Could be several things.. I would suggest replace the neutral safety switch, all O2 sensors and fuel and air filters, PVC valve and if needed plugs n wires..
The issue could also be a bad throttle body.. Should be a good idea to get it hooked up to a diagnostic machine - get the codes and then you will know more of what you are dealing with..

Have a great day !!

Apr 09, 2010 | 2000 Saturn SL

1 Answer

Goes into neutral and then shifts hard into 1st on slowdown


It sounds like your input clutch seals are rolling. Is the check engine light on. It could also be the pressure control solenoid could be causing the problem aswell

Sep 02, 2009 | 1998 Buick Century

1 Answer

Hard shift from 1st to 2nd. Engine rpm goes to 3000.


the tranny is slipping ,,in other words its starting to go.

Jun 27, 2009 | 1996 Ford Mustang

1 Answer

2000 Volvo S40


one unit that operates ratio changes and is connected to the engine is that vacuum operated actuator on the transmission
it is possible that that unit is failing , vacuum hose is leaking and that will cause ratio changes as the vacuum varies
run the fault codes to check for wiring problems or VSS or TCM problems as well

Mar 23, 2017 | 2001 Volvo S40

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