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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
33 satisfied customers
On a 2008 Sterling truck with a Mercedes engine I have a no
On a 2008 Sterling truck with a Mercedes engine I have a no start condition when hot If I let it cool off then it starts What could be causing this issue?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
DT466E crank / no start. 2006 IH 8100 DT466E. Repairing
Repairing myself. Engine will fire right up on ether and immediately run smooth with no smoke. I have replaced all injector orings, replaced one complete injector, replaced check ball before primer pump, replaced oil pressure sensor due to Solus not showing immediate pressure, and injector harness under cover. I have a manual fuel guage on the system showing 55 psi during cranking and 60 psi after it lights. Solus is showing around 900 psi desired and same actual during cranking. Solus is showing 175-180 rpm during cranking. The only codes that are active are for intake pressure since valve cover is off and sensor is unplugged. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have 2002 international 4300 dt466. Wont start codes are
Hi I have 2002 international 4300 dt466. Wont start codes are 1:2 612_14p 241:254 639_14p 4:240 639_14p 25:1 612_14p 107:5 2023_14p 150:2 2023_14p … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
It's a bus. 1998 AmTram Genesis cabover running a DT466E HT.
It's a bus. 1998 AmTram Genesis cabover running a DT466E HT. I'm totally confused. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
N14 Celect in a 95 Volvo won't start with out ethering it.
N14 Celect in a 95 Volvo won't start with out ethering it. Once it's running out runs great. Million miles, no blow by. If I shut it off, it won't start. Even immediately after and warmed up. It runs … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 2007 international with the 466, ran fine when
hello! I have a 2007 international with the 466, ran fine when parked now it will not even start on ether. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I am swapping a c7 2005 with a 3126 1999-2000. I have all
second opinion] Hi I am swapping a c7 2005 with a 3126 1999-2000. I have all the harness, sensors and ECM on both engines. Both trucks runs. The C7 is on its way out. Will the cab, ignition switch and… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
3126 cat will only start on ether. 8yl54721 in a 2000
heui pump replaced, cam sensors replaced, checked cam sensor gap, installed 2 different test ecm's, checked for injector oil leaks, have 1300 psi oil at block, good fuel pressure, good power and grounds at ecm, checked ecm harness and load tested wires, after starting with ether it runs smooth all day. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
2000 GMC C6500 Wth cat motor wont start by it's own, it
2000 GMC C6500 Wth cat motor wont start by it's own, it start with ether, i have replaced fuel pump & rpm timing sensor, still no help can some one help me out.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have a 97 freight liner FLD, 3406E, 5EK Motor, the speedo
I have a 97 freight liner FLD, 3406E, 5EK Motor, the speedo is pegged at 85mph and the odometer runs up miles while just idling? I checked and changed the speed sensor at Trans, changed the speedo hea… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have a 1999 GMC C6500 diesel with a Cat 3126b. 7AS40922 is
I have a 1999 GMC C6500 diesel with a Cat 3126b. 7AS40922 is the engine serial number. It starts up and runs for a few seconds. Then the voltage gauge drops to zero and then the engine dies. When the … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
O5 international.piston liner seal were leaking so did an
O5 international.piston liner seal were leaking so did an inflame overhaul . now I am not getting any signal to injectors any ideas… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a1998 c6500 3126 cat won't start and the check engine
I have a1998 c6500 3126 cat won't start and the check engine light won't come on when u trun the key on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have a 1999 gmc with a cat 3126b. have a code 84-1 road
I have a 1999 gmc with a cat 3126b. have a code 84-1 road speed lost. @ around 20-30 mph ck eng. light will come on and engine will derate. replaced sensor and checked wiring to sensor. truck will not… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
1996 series 60 with 800,000 on it run one day next day
1996 series 60 with 800,000 on it run one day next day wouldn't start,new ecm,fuel pump,injectors still wont fire will run on ether and then stalls out… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 11.1 Detroit in a 96 International engine will only
I have a 11.1 Detroit in a 96 International engine will only fire on ether have put on a new fuel pump changed srs sensor and Trs there is power to the ecm and all fuses are good and so are batteries… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Have a cummins ISM in a freightliner. Very hard starting and
Have a cummins ISM in a freightliner. Very hard starting and rough idle. Have active codes for engine speed sensor and vehicle speed sensor. Sets an engine position sensor code during cranking, but no… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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