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have a werid problem with loping. what could cause it??
okay today i was driving around every time i would put it in nuetral to come to a stop then truck would go about 500rpms and then right back up to 850ish and stay here it only happens when the truck is moving
if i rev the motor up it will not lope.
i read the DTCS map sensor had low voltage thats all that came up
my thoughts are map sensor is bad? injection pump, or maybe a idler pully or sensor going out
the fuel pressure is 15-18 all the time and ran 2-stroke thou every tank
any help would be great
(bluefurd)1998.5 blue 2500 club cab, nv4500,quad 4k, nanofiber amsoil, afe torque tube, FASS150GPH, 5inch str8 to 7in mirte with fte mount, pusher intake, tunnel ram, cpps 7x.014, bd short throw kit, valair 650hp dd, 17x9 kmc revolvers wrapped in 33x11.5 terra grapplers, 66/74/14 batmowheel, hamiltion rods/springs, arp studs, tru-trac in rear, lukes link, DAP steering brace, hawk brakes, blisteen 5100's, amsoil bypass system, devilsown stage2, ccp traction bars, fluidamper with pin kit, hellman fuel sump, equal lenght SS jet hot coated header
sounds like a map sensor to me, you could always try cleaning it and see it that cures it. might what to check the voltage of your apps sensor too.
01 2500 QCLB Straight pipe,6 spd,Stock for now
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." 2nd amendment
Ok, somethin simple to do here. Head down to the parts store and buy some electrical contact cleaner and di-electric grease. Pull apart every connector you see, clean and grease them. I found considerable resistance across the grounds coming off the batteries in the little grey connectors about 2 feet from the battery. Several key accesories run off just 5 volts, so a half a volt drop = 10% of needed power gone. That can cause all sorts of problems.
Official CF repair crew
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