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. Likes:

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.

Which has been a Godsend to a degree This "cycling" between rich and lean always centers on the "Bias" voltage, p0151 harley. Sort by Oldest first Oldest first Newest first Most reactions.

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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. This could be due to an exhaust leak or a shorted O2 sensor circuit.

P0151 harley

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. The P code indicates that the oxygen sensor Bank 2, Sensor 2 detects a voltage lower than the specified range. This sensor is typically located before the catalytic converter on the side of the engine with cylinder bank 2.

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As far as the inconsistent running, check the intake with a can of WD40 by spraying it around the seals and see if the idle changes. Their reference is primarily associated with break-in, but it seems strange that something that is acceptable at miles because an issue at miles. Since the day I bought it I've had problems with it running too lean pinging etc I don't think it is anything too serious. Log in. Unless you check the historical codes on your bike, you might never see these. Would this cause the P condition? So the engine can be running rich and the ECM might still trigger the "sensor low" signal. First find out if they are functioning or bypassed, that may be the reason for the 02 codes you are getting. Bike fires up and I drive the rest of the 50 Miles to work. Like there was any doubt. Find all posts by steelpony

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.

Search forums. Any idea's what to look for? Thank you Sir. Lower voltage equates to a leaner fuel mixture in the eyes of the ECM. 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. Last edited by Jackie Paper; at AM. I knew better than something wasn't right. Prayer Requests. A few intrepid souls have gone through their exhaust systems multiple times before the codes go away. Log in.