P0151 harley

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Questions about a tuner? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here. Keep getting error code - PO Thread Tools.

P0151 harley

The codes are specifically listed as P and P codes. The description in the Service Manual is: P Front O2 sensor low or engine running lean P Rear O2 sensor low or engine running lean The key point to look at here is "O2 sensor low" when analyzing what is happening with the IED's in place. The O2 sensor produces a 0. Lower voltage equates to a leaner fuel mixture in the eyes of the ECM. In some circumstances, the ECM will see this low voltage as "too low" and trigger the code despite the fact that the engine is running rich enough. The IED's take advantage of this voltage shift to richen the mixture. So the engine can be running rich and the ECM might still trigger the "sensor low" signal. There are also other reasons that the ECM will trigger the codes that we will try to cover below. Will these codes hurt my bike? These are historic codes and are not active. As long as these are the only engine codes you have and you do not have an active Check Engine light on, they can be safely ignored. Do all bikes get these codes with IED's installed? Many bikes never see these codes. You could also have the codes and never know it. Unless you check the historical codes on your bike, you might never see these.

How many miles on the plugs? On hotter days it seems to idle higher and run sluggish. The fuel proccessor has connectors to the fuel p0151 harley and sensors

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Any ideas? Sort by Oldest first Oldest first Newest first Most reactions. As it warms up it starts misfiring and sputters

Harley diagnostic trouble codes make identifying a particular problem in your motorcycle easier. Therefore, hundreds of these fault codes exist, indicating problems with the carburetor, engine, battery, sensors, and fuel injector. But what is the Harley code P? The code displayed due to a faulty rear oxygen sensor. Typically, this code will appear when the engine control module detects low voltage for the bank 2 sensor 1.

P0151 harley

You are currently viewing tabular data that can be dynamically filtered and ordered. See dealer for repair as soon as possible. B H2 output shorted high Alarm system fault Discontinue operation. See dealer for repair. B H2 output shorted low Alarm system fault Discontinue operation. B Security antenna output open Alarm system fault Discontinue operation.

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The Harley Service Manual actually notes that these codes should be "cleared and ignored". Log in. Shipping is extra unless noted. Originally Posted by steelpony Come join the discussion about modifications, troubleshooting, maintenance, performance, classifieds, and more! Is this true? So as i do, I come on these sites and learn alot. Last edited by Jackie Paper; at AM. Jackie Paper. Any exhaust leak on a V-twin engine actually allows fresh air back into the exhaust system. Deals Forum. Harley Davidson Pan America Forum. Follow along with the video below to see how to install our site as a web app on your home screen. Log in Register. However the first time it happened was before the stage 1 work so I doubt the tuner has anything to do with the error coding.

Welcome, fellow car enthusiasts! Today, we explore a common trouble code in automotive diagnostics that can be puzzling: P We also cover its causes, severity, potential solutions, and estimated breakdown of repair costs.

Is this true? Motorcycle Riding. Likes: Forums New posts Search forums. For a better experience, please enable JavaScript in your browser before proceeding. If they are recent have the ignition wires ever been replaced? The ECM will only revert to open loop operation if there is an active error code. Sign up. I have always been willing to swap out or refund returned IED's for riders that feel there is a problem with them. If you have the codes, there's a possibility that the 02 sensors are bad or not giving the correct readings to the ECM. CKP was the issue. In normal conditions, the O2 sensor produces mV in a Our information also indicates that Harley is aware of these issues, but does not have plans to create any upgrades to eliminate know problems. AVS Forum.