Truck struggles with A/C?

Does it have spark? And other questions...

Moderators: Greenleaf, BC847, Richie O

Postby Richie O » Tue Sep 15, 2009 7:38 pm

My FSM does not say if you set it in gear or park. All it says is 700 with a/c on for the auto and 750 for the manual. I would up it a little. I like no more then 750 with an auto. More then that it goes into gear hard and tries to creep at stop signs.
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Postby Bad93Cummins » Wed Sep 16, 2009 4:03 am

yea that's why im alittle hesitent to add more idle cause I don't want it to start tring to creep away.
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Postby PToombs » Wed Sep 16, 2009 7:08 pm

My '93 FSM says the same, 700 A/C on for auto. It has to be in drive, because manual trans is 750. If it was in neutral or park, it would be the same as a manual. ;)

Without A/C on if it's 650 it's way too low. Bump it up to what it should be and then see how it is.
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