P0101 code duramax

This truck belongs to one of my really good fleet customers.

If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. It has a P, P and P Typically when the series of codes set it lets out a hugh cloud of black smoke.

P0101 code duramax

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Tried to clear it but it came right back. Anybody experienced this? What's the fix? Where do I start? Sort by Oldest first Oldest first Newest first Most reactions. Is it over oiled? MAF sensor could just be bad.

Anyhow I tried all the options with no Mil and they still resulted in a "reduced power mode".

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I start it every morning and it runs 10 minutes with no issues.

Log in. Sign up. Performance Upgrades. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I recently did a banks "cold" air intake kit with the bottom scoop an added a 5" Magnaflow exhaust straight back. But now I have these 2 codes popping up P and P what should my next purchase be an what is the best company for the products recommended? I'm wanting to learn an gain knowledge on the duramax set-up. Thank you in advance!!!!

P0101 code duramax

A code may appear at anytime while driving. The first thing you should look for when the code appears is a clear understanding of what the code means on the Duramax engine. When it detects that the frequency signal from the MAF sensor is outside of the expected range, it stores the code. The mass air flow sensor measures how much air enters the engine. The ECM, on the other hand, is in charge of maintaining constant engine adjustment by monitoring the other control modules and detecting the frequency from various sensors.

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Also check the connector. Cleared it and fine. He responded saying he recalled a period last summer when it was extremely hot where multiple had the same message when towing. Log in. My truck has done the exact same thing. Now I will tell all of you guys from experience here recently, I know exactly what the problem is. They look like you are getting geared up for a training career. Join Date Jun Posts 5, Sort by Oldest first Oldest first Newest first Most reactions. The filter had not been changed since new. A wise man once said "google it". I'm sure that kid won't forget that lesson. The P code has been set in just about every instance probably 6 of 8 or 9 I believe the period of sitting immediately after towing is a key trigger for this failure. They simply twist on and off. It took about 4 hours to do that job.

This popular heavy-duty truck engine often catches you off-guard if not appropriately maintained by showing trouble codes such as P

Do you get any dtc's when the vehicle goes into limp mode? This particular fleet is a excavating company. I called Nick and sent him my spade. Totally stock tune. Tow the boat, stop for minutes, start the engine and get the CEL and reduced power message. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! We will see if it lasts Are you having problems with the downpipe, exhaust leak? Explore Our Forums. If it's less, then your probably choking the engines airflow, if it's over 45 then it's to much airflow both will cause the P Yeah I suggest finding out why it's in limp mode. Last edited by capflya; at AM.