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Cat Man, NXS loping at idle where to start? No active codes
Cat Man,NXS loping at idle where to start? No active codes altitude adjustment active Atmospheric psi at 13… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I retake my 6nz hp to 550 with a flash file. But now
I retake my 6nz hp to 550 with a flash file. But now personality code is blank and I do not have a cat password … read more
Cat Man
Cat Man
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No air to the shifter knob. 2017 peterbilt glider 389 with
yes taken front valve off and the lines off he knob … read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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I have a C15 6NZ no start. Getting fuel with pressure.
I have a C15 6NZ no start. Getting fuel with pressure. Checked with Cat ET and no codes. R&RAY primary and secondary engine speed timing sensors. Both were sized to wiring harness. Saved secondary wir… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2000 KW with a Cat 6NZ motor and when I get above
I have a 2000 KW with a Cat 6NZ motor and when I get above a 1000rpm it shuts itself down. It restarts fine but still shuts down above a 1000rpm still. Thanks for your help… read more
Cat Man
Cat Man
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we have a 3406E truck engine serial number 1LW18593 and we
we have a 3406E truck engine serial number 1LW18593 and we need to know the engine family number… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 2003 Pete with a C-15 that the ecm ESN doesn't
I have a 2003 Pete with a C-15 that the ecm ESN doesn't match the stamp on the engine. How do i go about changing this? ecm ESN- MBN05367 engine ESN-6NZ20374. I would also like to know the max HP/ tor… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Have an early production C-15 6nz engine that maintains 60
Have an early production C-15 6nz engine that maintains 60 psi oil pressure running down the road at normal highway speeds (55 -60 mph). When throttle is pressed down oil pressure drops to 40-45 almos… read more
Cat Man
Cat Man
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Allison 3000 code 51 43 in fl 60 frieghtliner with 3126 cat
Allison 3000 code 51 43 in fl 60 frieghtliner with 3126 cat motor. Truck well not move or even go into gear checked trans fuild level it is within range. Code on the internet says it's an off going ra… read more
Geoff
Geoff
BS
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Hello again Im having another problem with a engine it is
Hello again I'm having another problem with a engine it is a 6nz it will intermittently cut out and sometimes shut off, this morning the driver said it shut off and it took a long time to start back u… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have 05 kenworth w900 with 18 speed transmission. It continually
I have 05 kenworth w900 with 18 speed transmission. It continually pops out of 3rd gear but no issues in 7th. What is causing this?… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
696 satisfied customers
Hi Cat Man I am needing some help. I bought a truck with a
Hi Cat Man I am needing some help. I bought a truck with a SDP acert with broken rockers and housing. I replaced all those parts to find low power and was unhappy with engine I never drove an acert so… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
Hello I have a 2003 kenworth with a C15 engine the serial
Hello I have a 2003 kenworth with a C15 engine the serial number start with MBN. Its not the 6nz. Had a outframe done on it bout 80 000 miles ago. After that every once in awhile it derates the power … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Hello CAT man, I recently inframed a "1LW". It only has
Hello CAT man, I recently inframed a "1LW". It only has about ten thousand miles on it and is slobbering alot of oil out the blow by tube. Its went through 6 gallon of oil already. Mostly blowing it a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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We converted a Cat MSX into a 6nz truck runs fine save the
We converted a Cat MSX into a 6nz truck runs fine save the 22-11 code used the spacer plate from the 6nv and a 6nz head and cam gear drilled new hole for the cam pickup We cant get the crank and cam t… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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hi I am shopping truck. it will either be a series 60 or cat
hi I am shopping truck. it will either be a series 60 or cat 6nz. can you explain the difference in efficiency please?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
Which will get better fuel mileage, a 6nz cat with a 13 speed
Which will get better fuel mileage, a 550 hp 6nz cat with a 13 speed tranny,or a 475 hp c-15 cat with a 18 speed tranny? Thanks… read more
Jim
Jim
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212 satisfied customers
Cat man I have a c15 6nz and there is a calibration code betweent
Cat man I have a c15 6nz and there is a calibration code betweent the two speed sensors cam and crank, I assume. I unplugged each individually and the motor stays running and recognizes each is open. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
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