Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a Crank and no start on a 1998 International 3800 dt
I have a Crank and no start on a 1998 International 3800 dt 466 with 3 codes 124 pid 164 FMI 4 122 pid 102 fmi 4 211 pid 100 fmi 4 225 pid 100 fmi 0 Note Blown head gasket, Gasket replaced new Injecto… read more
Mike Mcmillan
Mike Mcmillan
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Associates
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I am working on a 98 gmc c7500 with 3126 Cat that I could
I am working on a 98 gmc c7500 with 3126 Cat that I could not get started. I checked powers and grounds and I found o had no key switch power to pin 70. I jumped key switch power to that pin. Truck st… read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
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Working on a 3126 cat in a 1998 chevy c7500. It cranks but
Working on a 3126 cat in a 1998 chevy c7500. It cranks but will not start. I have replaced speed sensors and harness. I have replaced ecm and verified grounds and power to ecm. I have replaced injecto… read more
Cat Man
Cat Man
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I'm wanting to swap out my 8yl 3126 out of 2000 c7500 I want
I'm wanting to swap out my 8yl 3126 out of 2000 c7500 I want to put in ckm 2002 3126 for more power Don't know if I use old ecm or new on because for gauges ect … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I have a Chevy C7500 with a Cat 3126. Tachometer only works
I have a Chevy C7500 with a Cat 3126. Tachometer only works when cranking over the engine. The oil pressure gauge is also pegged out at 100 psi when you turn on the key. Do I have a bad gauge cluster?… read more
AaronF721
AaronF721
Lead Technician
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2011 IH 4300 Maxxforce DT. Oil pressure gauge is giving a
2011 IH 4300 Maxxforce DT. Oil pressure gauge is giving a faulty ready of 9 psi. and tripping check engine / shut down light. Manual gauge shows 60 psi at start up and 38 psi warm, obviously not an en… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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1999 freightliner fl70, 3126 CAT. there is no legible serial
1999 freightliner fl70, 3126 CAT. there is no legible serial # Vin 1FV6HJBA4XHA66603 Has the following active codes - PID:64 FMI:11 and PID:253 FMI:2 Wouldlike diag info assistance. Thanks… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Working on a 1999 KW with a C10 getting codes PID 100 FMI 11
working on a 1999 KW with a C10 getting codes PID 100 FMI 11 flashcode 46 and PID 190 FMI 0 flashcode 35 when pulling a trailer, loaded or empty, but not bob tailing.... replaced both engine speed and… read more
Cat Man
Cat Man
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Have a 2005 freightliner with a 3126 cat motor, cranks but
Have a 2005 freightliner with a 3126 cat motor, cranks but wo't start ihave 2 active codes pid 164 fmi3 injection actuater pressure and pid110 fmi 3 coolant temp voltage high. I am not even showing th… read more
Cat Man
Cat Man
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Good Morning Spanky, I have an older freightliner fld
Good Morning Spanky, I have an older freightliner fld 120 in the shop, it is around a 1999.The problem we have with it is that both the low oil and low coolant lights and buzzer come on intermittantly… read more
spankyjr1
spankyjr1
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1999 GMC C7500 3126 Cat. Occasional hard start. "No ECM
1999 GMC C7500 3126 Cat. Occasional hard start. "No ECM detected" when hooking up scanner.… read more
Cat Man
Cat Man
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I HAVE CAT 3126 YEAR 1999 SERIAL#7AS47065 WITH 4 CODES FIRST
I HAVE CAT 3126 YEAR 1999 SERIAL#7AS47065 WITH 4 CODES FIRST CODE PID 64 FMI 2 FC 34 / SECOND CODE PID 111 FMI 2 FLASH CODE 12 / THIRD CODE PID 43 FMI 2 FC 71 / FORTH CODE PID 64 FMI 11 FLASH CODE 41 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a cat 3126, serial is 8YL69729. Want start but turns
I have a cat 3126, serial is 8YL69729. Want start but turns over. Has codes for injectors 1,3,4,5,6 current low, injection actuation pressure voltage high PID 164 FMI 3 FC 15, air inlet heater current… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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hello, i am working on an 01 sterling l7500 with a 3126 cat
hello, i am working on an 01 sterling l7500 with a 3126 cat engine. i have codes of pid 111 fmi 11, pid 164 fmi 11, sid 64 fmi 2, sid 64 fmi 11 and pid 91 fmi 8. was looking for possible causes, what … read more
Cat Man
Cat Man
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1999 Chevy C6500 3126 7AS31663 stalled while driving, swapped
1999 Chevy C6500 3126 7AS31663 stalled while driving, swapped IAPCV and speed sensors out of one our other trucks that starts up and runs, put a IAPCV harness and check this morning with ohm meter its… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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i have a 04 f-650 with the c7 serial # XXXXX It would
i have a 04 f-650 with the c7 serial # XXXXX It would shut off randomly. Hooked a pro link to it and found 2 active codes which were pid 42 - fmi 11 and pid 164 - fmi 1. Changed the hpop (reman for ca… read more
Cat Man
Cat Man
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I have a 335 modle 6.7 litter paccar with my snap on modis
I have a 335 modle 6.7 litter paccar with my snap on modis scanner I pulled pid codes 108 102 131 103 27 all to do with the turbo now the turbo is broken impeller shaft and truck has been over heated … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
i have an 05 international that keeps shutting down on low
i have an 05 international that keeps shutting down on low oil pressure! i put a manual guage on it and it shows 40 psi so i changed the sensor still no reading on my guage. i also changed the filter … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
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