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Related Medium and Heavy Trucks Questions
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'm having issues with a C 15, it back fires from the
I'm having issues with a C 15, it back fires from the exhaust side … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a couple of Peterbilts with c15 engines. Over the
Hello I have a couple of Peterbilts with c15 engines. Over the last few months I've had to replace injectors, harnesses IVA's etc. probably 4 or 5 times after completing a job I crank the truck and it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 2006 C15 CAT engine in a Peterbilt truck. I put a
I have a 2006 C15 CAT engine in a Peterbilt truck. I put a fuel pressure gauge on it to monitor the fuel pressure. The fuel pressure will go from 70 to 100 pound of pressure. When it reaches 100 pound… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a peterbilt 2008 caterpillar engine C15 are smoking
Hello I have a peterbilt 2008 caterpillar engine C15 are smoking and lose power also have a sound on the engine I replace the turbos but still doing the same… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
My 2007 357 Peterbilt stumbles randomly and emits unburned
Hi my 2007 357 Peterbilt stumbles randomly and emits unburned fuel smoke when it does.we changed injector harness. Had a check engine light on and it still ran ok checked the engine harness and found … read more
Bradey V
Bradey V
Certificate
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
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 1997 peterbilt 379 with a caterpillar 3406e 5ek
I have a 1997 peterbilt 379 with a caterpillar 3406e 5ek that's been having a sputter/miss fire issues. It only does the sputter or miss underload at around 1400rpms and 20-30psi boost it will stop on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a C15 in a military HEMTT that is showing a dead spot
I have a C15 in a military HEMTT that is showing a dead spot in 2nd - 4th > 1000 RPM. CAT ET doesn't show any fault and this gets worse as the temp rises. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
Picked up a GMC 7500 with a C7 CAT VIN# KAL77538, they did
picked up a GMC 7500 with a C7 CAT VIN# ***** they did one piston and liner, re ringed the other 5 and put used injectors in... truck smokes whitish grey, smells like diesel to the point it burns your… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have Peterbilt 2006 cat c15 serial no mxs 40026, truck
Hi there I have Peterbilt 2006 cat c15 serial no mxs 40026 , truck shut down ecm not showing on scanner , i removed ecm & get new one dealer , they program . Now I have two code pid253 fmi 2 calibrati… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
Cruise not working, 2001 379 peterbilt cat 6nz, traced wires
traced wires and switches checked ecm found ecm has service brake ON new switch also found wire 281 has power not sure why … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have 06 Peterbilt with C15 cat you can be going down the
I have 06 Peterbilt with C15 cat you can be going down the road and the check engine light will come on and it will go to running really rough with no power at all plug cat ET into it and it says numb… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 05 379 I am having problems with the engine not
I have a 05 379 I am having problems with the engine not picking up the throttle position acts like it wants to but just cant. (Sometimes) it acts like it's starving for fuel and starts fluttering and… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have c15 acert bxs 38090.It is smoking white out exhaust
I have c15 acert bxs 38090.It is smoking white out exhaust when I get off the throttle and smells like fuel to lean loss of power also and seems like its missing… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 2000 gmc c7500 with a 3126 cat in it. We hooked a
I have a 2000 gmc c7500 with a 3126 cat in it. We hooked a Cat Et up to it this evening with the right adapter I assume...7x-1714. The Cat et program says 1 ECM detected...initializing but not does an… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 2008 Peterbilt with a SDP C15. My motor has recently
I have a 2008 Peterbilt with a SDP C15. My motor has recently start locking up when starting hot and then when it does start I get a puff of white/blue smoke that smells like diesel, it runs a little … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a C-15; SN: BXS30766, in an 05 Peterbilt, that developed
I have a C-15; SN: BXS30766, in an '05 Peterbilt, that developed a constant (cold/idle-full operating temp/highway speeds) missfire. Beginning approximately at the same time, the check engine light ca… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 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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