Late Shifts

You gotta Love these old VG30E/i powered beasts, raw truck DNA to the core.

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johndarc
Posts: 3
Joined: Fri Oct 08, 2010 11:21 am

Late Shifts

Postby johndarc » Fri Oct 08, 2010 12:02 pm

1994 Nissan Pathfinder XE 2WD

It’s a gimp but it moves-ish. It has a very late shift; it doesn’t shift until about 4500 RPM per gear. It acts like it is in fail safe mode. I tried the TCU code check

Warm the thing up to OP temp, turn it off

Put it in auto [not power] set the shifter to D with OD off
Turn on the key and move the shifter to 2 with OD on
Move the shifter to 1 with OD off
Depress and release the accelerator pedel


But it doesn’t flash any code the ‘power’ shift light stays off, though the light does work as the pre-test… test shows that the light works and is ready for TCU Code display. I am at a loss this things been a money pit. I’ve now spent about 2000-2500 on a vehicle originally meant to cost me 1500. Any ideas on how to check why I’m getting the late shifts, its killing my fuel mileage.


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pawjr74
Posts: 597
Joined: Tue Mar 23, 2010 9:11 am
Location: Gilbert, AZ

Postby pawjr74 » Fri Oct 08, 2010 12:57 pm

Have you checked the condition and level of the trans fluid yet?

johndarc
Posts: 3
Joined: Fri Oct 08, 2010 11:21 am

Postby johndarc » Fri Oct 08, 2010 2:46 pm

aye - I have, I had new fluid put in to it before i got all the way home with it, I drained it and changed the filter and fluids again 300 miles later. I also used some lucas A/T treatment for hardshifting and such said it reconditions valves.


[edit] when i had the fluids changed right after i bought it they said it looked like all 180000 miles were on that ATF (never been changed)


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