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Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 8958
Experience:  I am ASE Master Truck Certified.
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Just had a fresh overhaul on 6nz cat and now I have no power

Customer Question

Just had a fresh overhaul on 6nz cat and now I have no power only making around 18 to 20 lbs of boost before I had it overhauled I was around 40 lbs or more
JA: What's the make/model/year of your truck? Engine type?
Customer: 2002 Pete 379 cat
JA: Are you fixing your truck yourself? What have you tried so far?
Customer: Someone else overhauled it for me had charge air checked for leaks no leaks tried replacing fuel filters and fuel pump and replaced one injector
JA: Anything else you want the truck mechanic to know before I connect you?
Customer: Mechanic said timing was off a half tooth but I still thank timing is off
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Cat Man replied 1 year ago.
Thanks for asking your question. I will try and help you out.
Has the fuel pressure been checked while driving?
Does the yellow check engine light come on while driving?