P1131 code ford f150

P error code. Thread Tools. Hey guys I'm getting the p error on my xlt f 5. I know it's usually a vacuum leak on the pcv hosing, which I did have p1131 code ford f150 the back and replaced as well as other softer joining sections 3 to be exact lolbut I'm still getting this error.

I have ford f 4. Had a new fuel pump the whole assembly … original equipment not aftermarket installed about 3 months ago mid-June and changed the fuel filter as well. Mostly I drive it only once per week … just long enough to get everything warmed up at least 20 minutes or so. So, since the fuel pump change I have only put about miles on it. Given that it idles and seems to run smoothly, would you say the O2 sensor is the likely culprit?

P1131 code ford f150

P at startup. Thread Tools. Likes: Received 9 Likes on 8 Posts. P during warmup. My '99 4. Code P is upstream bank 1 oxygen sensor too lean. The code will persist for a few weeks, then it will go away for a few weeks. Change in state seems to coincide with filling the tank with gas. I replaced the gas cap and am careful to fully seat it. Engine runs fine: no issues starting, smooth idle, MPG. The CEL comes on 5 minutes after I start the engine. P is the only code. If I clear the code. If I shut it down, let the engine cool, and restart, it returns.

P is the only code.

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Home » OBD Codes. Seeing the P code can cause your heart to sink, but it might not be as worrisome as you think. The P trouble code has a specific meaning, and it leads to a number of different symptoms, each of which I cover in this guide. I also look at the top causes and show you how to repair it. The P code indicates that the heated oxygen sensor contains a failure in the upstream flow. Therefore, Bank 1 is seen as running lean.

P1131 code ford f150

While this may seem harmless at first, keep it hanging for long enough, leading to part damages and decreased fuel economy. The P Ford code is linked to the oxygen sensor and signals the engine is running on a lean or rich fuel mixture. This article will discuss everything about the P Ford code, from what it means to diagnosis and fixes. Error Code P is displayed when sensor 1 or the oxygen sensor bank 1 does not switch enough to lean. The heated oxygen sensor voltage is below 0. Any Error Code that begins with P1xxx is a manufacturer-specific diagnostic trouble code. In short, a P Ford code indicates an issue with the O2 sensor in a Ford vehicle. The job of the O2 sensor is to calculate the volume of oxygen in the exhaust and decide whether the fuel-to-air ratio in the cylinder is too lean or too rich.

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Find all posts by Bluegrass 7. Bluegrass 7. P code, But truck runs fine. Secondly, you cannot judge an engine's performance from the plug tips or porcelain color that easily unless your an accomplished expert at it. Quote message in reply? View Public Profile. Find More Posts by djfllmn. The time now is AM. Originally Posted by BigEd Given that it idles and seems to run smoothly, would you say the O2 sensor is the likely culprit? Code P is upstream bank 1 oxygen sensor too lean. So you see it's not that easy. All times are GMT Find all posts by shooter P only!!!

The error code P is displayed by getting feedback from the Lambda or the oxygen sensor. The Lambda sensor is responsible for detecting the amount of oxygen in the exhaust gases.

California Chapter S. Thread Tools Show Printable Version. Faulty regulator, blocked return line. Its impossible to figure out what is wrong with a vehicle without it in front of you. Find all posts by martinek. Find all posts by pdqford. Given that it idles and seems to run smoothly, would you say the O2 sensor is the likely culprit? Related Topics. Thread Tools. Change in state seems to coincide with filling the tank with gas. P is the only code. Find More Posts by Jbrew. Received 5, Likes on 4, Posts. Gotta love the snottyness with no remedy for correction , thanks Ive read those a thousand times on fords website,now perhaps you can be helpful and give instructions on how to test for failure on A-E or should one just start replacing parts lol? For all those looking to correct this and everyone is telling you it's not the sensor the sensor is just providing a reading, finally broke down and brought the truck into my Mechanic and bank one sensor one isn't reading shiat!!