5.9 CUMMINS LACK OF POWER and the repair

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Published 2021-07-11

5.9 CUMMINS LACK OF POWER. In this video I share with you about a 5.9 Cummins with intermittent lack of power, the cause and the repair. Turbo and Exhaust manifold repair along with some tech tips.

RING LIGHT
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FLASHLIGHT HOLSTER
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OBSERVER TOOLS FLASHLIGHT
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STREAMLIGHT HEADLAMP
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AIRLIFT
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Find me here:
linktr.ee/tonennorcal

All Comments (14)

@gerryrandolph 2 months ago

I have the exact same thing on a truck I’m looking at buying. Was concerned bout the shear gutless performance and your video has shown me what to check and help determine this trucks issue. Then start beating the guy down on price 😁
@greasee.monkey7224 2 years ago

That job looks like a bit of a PIA. Thanks for the tips & tricks sir. Every little bit helps. You make great content that helps other mechanics by saving them time and effort. It is most definitely appreciated. 👍👍
@alridha1810 1 year ago

Thank you very much I had same issue with my truck 05 5.9 Cummins 6spd dually Power loss at top end everything checks good Air filter bunch it up like how you describe it Problem solve Thanks again you are awesome
@ToolDemos 2 years ago

Good stuff, Tony. That looks easier than a Duramax, you have more room at least.
@brucerazor5202 1 year ago

I have a 99 Cummins with 185,000 nice and tight, no leaks 5 speed manual. Steering has been supported , new injector pump and lift pump
@skinwalker7635 2 years ago

Hey Tone you mentioned how you could duplicate the acceleration issue, after the vehicle loses power what would you do to reset the vehicle so that it would drive at normal operational specs and start all over again ?
@nosliwttam77 2 years ago

My boss would have said to glue the mesh back onto the filter and make it work🤣👍
@richardknight7549 1 year ago

I have a 2006 ford f650 rollback with the 5.9 Cummins. The egr transfer tube just started leaking/hissing, and when it does it seems to have loss of power. It has been doing this same cutting in and out of power under load thing you described in the video. Do you think egr pipe leak would cause the loss of power? I figured that was only exist gas, not boost. Any input you have would be helpful. Thanks man. -Rick
@dougmcmurrey7801 1 year ago

2003 6bta 5.9 marine idles great, when turbo spins up around 2200rpm and higher, tons of power and clean.. on the way to 2200, she smokes and is very slow to speed up … thoughts?
@fixitallpaul4847 2 years ago

Should you also straight edge the head?
@fixitallpaul4847 2 years ago

I like Hastings and Wix.
@Luna-dt1nt 6 months ago

I have the same problem on my 97 dodge ram 2500 turbo Cummins 5.9 I just can’t find the boost leak ..any ideas
@DT-abcd 5 months ago

Don't take your truck to a dealer. They know nothing about troubleshooting digital electronics.