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I need help im half way on a 07 pete 379 originally acert
I need help im half way on a 07 pete 379 originally acert put lower comp piston packs, switched harness to bxs 70 pin with repinned plug to 6nz and 70 pin ecm with 7cz file and motor works just no gau… read more
Justin
Justin
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04 peterbilt 379 with c15. Engine fan won't come on unless I
04 peterbilt 379 with c15 . Engine fan won't come on unless I do it manually with the switch in the dash … read more
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Engine brake won't work on low setting. Has new harness
Engine brake won't work on low setting. Has new harness inside valve cover. I manually powered them and they work. No codes. … read more
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Can I shut off the derate mode on a C15 cat? MSX34266. Have
Yes have cat ET no codes but still derates checked all sensor and wires even put on test ecm … read more
Cat Man
Cat Man
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1995 peterbilt 379 engine cat 3406e, the engine fan dont
1995 peterbilt 379 engine cat 3406e, the engine fan dont work when engine is asking for, the fan works from the cab override switch, so the solenoid and harness from the switch work, need some diagram… read more
Cat Man
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I have an 2006 c15 and my jakes arent working. the code my
hi i have an 2006 c15 and my jakes arent working. the code my scanner pulls up is pid: 122 Active Retarter solenoid med/hi short circuit … read more
Bradey V
Bradey V
Certificate
I have 1999 peterbilt engine fan wont come on automaticly.
Hi i have 1999 peterbilt engine fan wont come on automaticly … read more
Cat Man
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C15 code flashes 55 which I know it means no fault
C15 code flashes 55 which I know it means no fault codes..how do I get it to stop flashing..also when its flashing and set cruise. it will lock on speed and immediately start to accelerate...just as i… read more
Cat Man
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2004 Peterbilt 379 cat c15 mbn I just noticed oil leak
Hello 2004 Peterbilt 379 cat c15 mbn I just noticed oil leak coming from behind the fan clutch and it's making a mess in front of the engine, I'm wondering about the source of the leak… read more
Cat Man
Cat Man
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I converted my c15 mxs to a single turbo. got the program to
I converted my c15 mxs to a single turbo. got the program to delete my IVA's. Everything worked well for months then out of nowhere the engine started to derate me whenever I use my eng brake. If I st… read more
Bradey V
Bradey V
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My engine fan will not turn on. Either with the manual
My engine fan will not turn on. Either with the manual switch or just letting the ecm do it by water temp. I've replaced the fan air solenoid and it still will not engage. Unless I cut the wires to th… read more
Cat Man
Cat Man
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Catman peterbilt with c15 acert. MXS why is my engine fan
catman peterbilt with c15 acert. MXS why is my engine fan always running.. i have CAT ET. what/how do i check ?… read more
Cat Man
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I have a 2004 Peterbilt 379 with a C15 Cat engine. When in
I have a 2004 Peterbilt 379 with a C15 Cat engine. When in neutral it will rev up fine but when going down the road it won't rev past 1700rpm. At times it will run great but after a while the trouble … read more
Cat Man
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2002 379 pete c15 6nz cat .engine will not start without
2002 379 pete c15 6nz cat .engine will not start without either . has new fuel pump new injectors new cam and crank sensors new engine wiring harness new check valves new filter housing, new ecm. Has … read more
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Man i have a 2004 mbn cat motor im only getting 28 pounds of
Hey cat man i have a 2004 mbn cat motor im only getting 28 pounds of boost is this correct … read more
Cat Man
Cat Man
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Cat Man - I have another issue with the C15 that we have
Hi Cat Man - I have another issue with the C15 that we have been working on. The turbo boost is only getting up to 25 PSI with a load and it's very low on power. The engine has been in-frame overhaule… read more
Cat Man
Cat Man
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I have a 2000 Peterbilt 379 with a c-15 cat. Has no throttle
I have a 2000 Peterbilt 379 with a c-15 cat. Has no throttle responce via pedal or cruise switch. Hooked up ET and no active, inactive or logged event codes. Can watch the accel position through ET an… read more
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Cat Man
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2005 Peterbilt 335 with a C7 Caterpillar 250hp. Low power
2005 Peterbilt 335 with a C7 Caterpillar 250hp. Low power afer about 5 minutes of running unloaded. First 5 minutes it has plenty of power, starts to sputter a bit and then has very low power. In the … read more
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