Specifically on 90 Vanagons!
 Im running 10w30- its in the 20s where I am at.
Once the van is good and warm I can be driving at 60mph, about 3000 rpm- no problems.
 BUT when coasting to a stop,the warning lite goes on at 2200 rpm.
It will go off if you blip the throttle above 2200 while in drive.
Or- if you coast all the way to a stop- the buzzer and lite stay on.
 But if I put it into nuetral, blip the throttle over 22oorpm, and let it idle down it wil stay off !!!
 2200 rpm seems to be the magic number.
Whats up with this??
I never had the problem with 20w50-well only rarely.
 So what do you think? Sending unit? Module? Bearings? Lobotomy?
Whats the general consensus?
Thanks in advance!!
Brian

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