Hello world, has anyone heard of a Nikki fuel sysytem(LP) on a Nissan truck? Model MAP1F2A25LV serial AP1F2-9U0455. When it is run outside in extreme cold, it starts to run rough, thought maybe it was freezing up some how. Driver said it gave a code I-32. Does anyone know how to get into the program through the dash with a password? Never had to work on one of these, any help would be greatly appricated. Keep those trucks rolling. s.tjones at yahoo dot com
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I'll check those things, thanks.
Does it have a switch on the LPG tank bracket that tells the truck that it is closed tight and locked?(switch should have 3 wires going to it,one might of come off,or switch arm is broke off)
Could be also that the coolant overflow jug is low,has a float switch in it so if gets low it lets you know
How would you read a code? I think I seen it going back and forth between the hr. meter reading and question mark in a box and a beeper was staying on all the time, would that be because a code was set?
If truck is take inside from the cold does it run ok then? Another possibility could be the MAF sensor, if it is over compensation when it is out in the cold then could possibly cause it to over heat from leaning the mixture out to much
Might want to check your fuel pressure coming out of the vaporizor(should be around 4.5-5 PSI),on top of the vaporizor is a 17MM hex plug,take it out and screw a 1/8 pipe thread nipple and guage in it and see what your pressure is with the truck idling and underload,vaporizor might be full of tar and need drained or possibly rebuilt.
The Pedal Dance"
Turn the ignition switch on with accel. pedal released,after 3 seconds fully depress the accel pedal 5 times within 5 seconds(end in released position). After 7 seconds(timing is very important...1 mississippi 2 mississippi etc....) press and hold down accel pedal for approximately 10 seconds(again timing) until the hour meter starts blinking, release pedal and push down and hold again for 10 seconds) hour meter should be on with no codes showing,shut key off and test to see if codes cleared.
Driver did say that it overheated before, running ok when I checked it, blew the radiator out, it was pretty bad. Coolant level ok, just curious what would make it run rough only when outside in the cold. Is there any way to clear the codes in this truck?
is that E-32 code??? if it is that is a overheat code first step,check the coolant in the radiator,check to make sure the radiator isnt plugged with debris between the fins and check the fan belt tension, how many hours are on the truck?
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