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2002 c12 in peterbilt Manifold pressure run about 25 to 30
2002 c12 in peterbilt Manifold pressure run about 25 to 30 psi in am or when truck is cold. However once hot an throughout day pressure drops to 18 or soLet me say this,new turbo, clamps boots,an air … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
I have a 3406E cat serial number 5EK 550 HP I cannot get
I have a 3406E cat serial number 5EK 550 HP I cannot get more than 18 to 20 PSI of turbo boost before this started I would getting 32 PSI it started dropping gradually over a few weeks period I have c… read more
Cat Man
Cat Man
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I have a C-7 in a dyno, at !00% throttle & load around 320
I have a C-7 in a dyno, at !00% throttle & load around 320 hp. while monitoring boost pressure I noticed that the readingbounces around very rapidly 21-29 psi, … read more
Cat Man
Cat Man
Cat Engine Expert
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I have a Motorhome on a freight liner chassis with a Cat
I have a Motorhome on a freight liner chassis with a Cat 3126 engine. Today the check engine light would come on and I would lose power. As soon as the light would go off, the engine began running fin… read more
Cat Man
Cat Man
Cat Engine Expert
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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
Cat Engine Expert
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9,514 satisfied customers
I have a boost problem drivine on flat road it fine comes
I have a boost problem drivine on flat road it fine comes to a little hill it dies change turboe egr etc still nothing even the mack up grades . frustating … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
My 3406e has just had a head gasket replaced. Now the turbo
My 3406e has just had a head gasket replaced. Now the turbo supplies boost intermittently. When it is not working correctly boost will not exceed 10 psi. During these periods the exhaust note is muted… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
After driving 4 hrs transmission jumps out of gear and speed
After driving 4 hrs transmission jumps out of gear and speed hand goes to 0 but jumps back into gear after short interval. ABS light flashes and engine light flashes both goes back off.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
cat mxs: I have a 2007 twin turbo cat, the turbo boost suddenly
I have a 2007 twin turbo cat, the turbo boost suddenly dropped to 35 psi, im not hearing any whistle as I would if I had a leak after the turbo. any ideas?… read more
Cat Man
Cat Man
Cat Engine Expert
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9,514 satisfied customers
i have a 2ws 3406e 515 cat engine with a pdi stage 1 up grade
i have a 2ws 3406e 515 cat engine with a pdi stage 1 up grade putting about 620 hp to wheels my turbo heats up quick i have to really let out of it and gear down in the hills and just ease on the thro… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
I have a 99 cat 3406e that has had a recent rebuild when climbing
I have a 99 cat 3406e that has had a recent rebuild when climbing a big hill fully loaded the turbo boost hits 30psi and then drops to 25 and then climbs back up to 30psi it may do this all the way up… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
1998 Freightliner FL112 with CAT C-12 is there way to get fault
1998 Freightliner FL112 with CAT C-12 is there way to get fault codes with out scanner and where to get a list of them?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
I have a cat c10 and replaced all injectors and the engine
I have a cat c10 and replaced all injectors and the engine is misfiring. I checked the fuel pressure and it is at 90 to 100. The check engine light is on. What could be the problem.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
My cat 3406B in a 94 kenworth . Serial no 3zj. Its developed
My cat 3406B in a 94 kenworth . Serial no 3zj. It's developed a miss when you first accelerate then the miss clears up. Also low on pulling power. What's your thoughts… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
Hello Cat Man! 2007 Freightliner C7 300hp. Engine serial
Hello Cat Man! 2007 Freightliner C7 300hp. Engine serial WAX48686. After a 3 hour trip today (during which we had no problems) coming off of the highway the check engine light clicked on and the engin… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
we have 2006 freightliner business class M2 with C9 caterpillar
we have 2006 freightliner business class M2 with C9 caterpillar motor. Once it warms up (over 150 degrees) starts to blow heavy white/grey smoke. Worse under load and higher RPM's. No check engine lig… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
I HAVE A 2006 FREIGHTLINER COLOMBIA WITH A CAT 475 HP DIESEL
I HAVE A 2006 FREIGHTLINER COLOMBIA WITH A CAT 475 HP DIESEL ENGINE WITH TWIN TURBO'S. THE TRUCK IS INTERMINTENTLY LOSING ITS TURBO BOOST PRESSURE BACK TO ZERO AND STAYING THERE SOMETIMES FOR TEN MINU… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
I have a 2007 F750 with a cat C7, I have low respose under
I have a 2007 F750 with a cat C7, I have low respose under acceleration like the turbo is not working. I have checked all the intercooler lines (ok) I can only generate 18 lbs of boost pressure and I … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,514 satisfied customers
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