Yes, speaking in IRC a better suggestion was given: transmission is failing to get into 4th gear. This is a problem that has been dealt with on these forums before. If need be I can do a search and dig up the appropriate thread.
Hey all.
My Fairmont runs at a lazy 1950 or so revs at 100 kph.
My wifes Failane runs at 2500.:huh:
(Both are 5 litre, mine a 91 EB and hers a 93 NC).
Would this be because of the diff ratios? and what should they be reving at for 100 kph in standard trim.
Sounds like it isn't going into overdrive.
Easy way to check is to select between '3' and 'D' on the gear lever at a steady 100kph and see if the revs change at all.
If the revs don't change, you have a problem with the transmission.
My SVO's 4 speed has shit itself in reverse and if I rev it while in R
(2500 plus STILL NO MOVEMENT!!!) It seems to enable a limp mode where if I dont turn the ignition off completly when I select D it will not enguage 4th no matter what speed.
After about 5kms of freeway cruising @ 100-110kmh (2500) it will select 4TH like nothings ever happened?
So maybe your gearbox computer is playing up or selector link
yeah Joe has a good point, I know that if my EF would go into limp-home mode it wouldn't select 4th or lock-up.....it's worth a check because something as simple as having too many fuses (like as little as 2 or 3) blown/pulled out would send it into limp-home mode...
The gearbo is using all 4 gears, so I don;t think it is any of those suggestions. It seems to point to the diff as having a strange ratio. Will get that looked at.
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