Medium and Heavy Trucks

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I have a 2005 international 4300 with a dt466 and has an no
Hi i have a 2005 international 4300 with a dt466 and has an no start situation. We have replaced the injector harness,valve cover gasket, icp sensor,idm with reprogramed ecm, icp pigtale (the one that… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
It cranks but doesn't start. It is a 2002 Peterbilt 379 with
Yes, Check fuel pressure, sent ECM to dealer to check, came back all good. Checked for power to ECM and injectors and found to be good. Only active code is for low coolant sensor, there shows one status flag in CAT ET for no engine speed … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I got a 1999 peterbilt with cat 3406e engine serial number
I got a 1999 peterbilt with cat 3406e engine serial number 2WS08580 ..truck won't start ..last week I have replaced injector cup and injector o rings..truck was mixing fuel with coolant..did overhead … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a heavy duty truck shop and work on some AG equipment
I have a heavy duty truck shop and work on some AG equipment as well. We did an out of frame overhaul on a Cat Challenger 75D Ag track tractor with a 3176C/C-12 40 pin ECM engine. Have completed the t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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We have a 3126 sn CKM34634 it came into the shop running but
we have a 3126 sn CKM34634 it came into the shop running but smoking bad. We found coolant temp sensor was bad , that took some of the smoke away, we thought possible injector seals. We removed the in… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Cat Man. I have a 3406E Serial # 2WS. The engine will turn
HI Cat Man. I have a 3406E Serial # 2WS. The engine will turn over and over but not fire. Checked the oem side of the harness. I HAVE 2pos, 1 keyed ignition pin and 2 ground pins?? No CEL. Have change… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have a C-13, SN KCB09401, in a 2007 Pete. It has
I have a C-13, SN KCB09401, in a 2007 Pete. It has intermittent no start condition. Will crank, just wont fire. Ck'd fuel supply, OK, hooked up psi gauge, fuel psi is 85 psi. cracked return line at he… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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CATMAN i have a 2005 GMC with a CAT C7.. i can not get it to
CATMAN i have a 2005 GMC with a CAT C7.. i can not get it to start, it cranks and cranks and never fires. not even with ether, ether keeps it running but as soon as u stop truck dies. i tried hooking … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Cat man. My cat c15 SDP is missing a little and getting
Hello again cat man. My cat c15 SDP is missing a little and getting worse. It started out to hiccup when I was pulling hard and now it's doing it during idle. I put a manual fuel pressure gauge on. It… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
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
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have a 3126 with SN 9SZ. The truck cranks but wont start.
Hi I have a 3126 with SN 9SZ. The truck cranks but wont start. if I use Starting aid it stars and it continues to start all day but next day the same issue. No active codes, I change de IAP Valve. Pum… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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2004 Freightliner Columbia with a Cat C-15 Bridge (MBN
2004 Freightliner Columbia with a Cat C-15 Bridge (MBN series, single turbo) engine has no power thru the gears, but most noticeably from 7th on up to 10th. Problem initially started when the truck bl… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Catman! Ive got a 2ws cat engine. It cranks and cranks but
Hello catman! Ive got a 2ws cat engine. It cranks and cranks but will not even begin to start. If i squirt a little either in it, it will fire right up and run perfect. Then if you shut the key off an… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Cat Man, I'am working on a 1999 Cat 3406E. Engine serial
Hi Cat Man, I'am working on a 1999 Cat 3406E. Engine serial number 2ws41434. It wouldn't start, it would turn over but not fire. I replaced all 4 batteries because it seemed to be cranking over a bit … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have a 2005 cat c-7 kal75928. It shut down on the highway
I have a 2005 cat c-7 kal75928. It shut down on the highway and was towed in to us. using cat et I scanned it and it had a huei code and it did not have injection control pressure. Installed a new pum… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 05 625 cat accert and having low power issues. We
I have a 05 625 cat accert and having low power issues. We had a ECM writer program the ECM for performance. We've installed a fass system and per the ecm writer backed the vva's of a full turn. I'm b… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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cat 7 serial # XXXXX no start --no injection pressure
cat 7 serial # XXXXX no start --no injection pressure we checked orings on injectors ok we replaced pump still no pressure---possible new pump bad ??? how to dead head and test this pump ??? I do have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Hi there i have 2 trucks in our fleet that are totally baffling
Hi there i have 2 trucks in our fleet that are totally baffling me, both have a miss at low revs, 700-900rpms and at full revs 2120rpms 1 is a freightliner Argosy 2007 model and the other is a western… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
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