97 f150 p1151. Driving it home from the purchase site I got the check engine light. This sensor is responsible for monitoring the oxygen levels in the exhaust gases and sending this data to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. Better start with the basics. 4L 4x4. 97 F150 4. I am have had the truck for 2 months, and now I am having Service 1997 - 2003 Ford F150 - P1131 and P1151 problem codes - My 99 F-150 is throwing problem code P1131 and P1151 Says fuel mix lean, Vacuum leak, or misfire. , and coast is (of course) sea level. P1131 and P1151 relate to oxygen sensor heater circuit faults, affecting air-fuel mixture readings. The check engine light is on. Got a bigger one this time its a 1998 5. This particular DTC article refers to a P1151 trouble code on Ford vehicles. 1987 - 1996 F150 & Larger F-Series Trucks - Help with codes P0174 and P1131 - Hello guys, I have a 1997 F350 HD with the 5. 4 Check Engine Light Code P1151 Fuel-Air Metering 2 posts • Page 1 of 1 jjbourne New Member Posts: 3 Joined: Sun Mar 02, 2008 10:53 pm Location: San Diego, CA 2002 f-150 code P1151 , P1131 idle lowers and comes back up when cold, dealer said lower intake manifold gasket. Customer: My scanner for my 97 F-150 4. 0 V6 engines, including Rangers and Explorers. 6L when I was driving home in the rain. P1137 – Downstream Heated Oxygen Sensor 1 Malfunction P1151 – System Too Lean (Bank 1) In some cases, you’ll be able to repair the problem easier if you look at the trouble codes altogether. P1151 system is running lean have not found any leaks or anything, so going to replace the sensor, but was told should replace them all with same brand, or at least as a pair (both upstream). 1987 - 1996 F150 & Larger F-Series Trucks - P0171, P0174 96 F-150 5. sometimes it throws the p1151/p1154 1997 - 2003 F150 - Check engine light Codes P1151,P1152 - I have a 1998 f150 with a 4. 4 - hey guys new to to forum. 185k miles ive been getting a couple codes thrown by the pcm. It has also died a few times when making a stop. Code P1151. 97 f150 codes p1151, p0155, and p0161 by Tintdaddy » Fri Jan 08, 2010 5:42 pm I have a 97 f150 xlt stepside with a windsor 4. 0 L 5spd 112,000mi. While the truck is idling it runs rough but upon accelaration it runs good. anyone got any ideas of how i can remedy this problem. 4l. All parts are there and work well Here's what I have for towing capacity for a 1997 Ford F150 4x4 1 1997 Ford F-150 4x4 4. 8L Gas motor and I recently did a tune up on the truck. - Ford 2002 F150 Regular Cab question. Electrical Systems/Wiring - Help! Codes P0136, P1131 and P1151 - Hello all, new signup to the site but have use it often. Looking for similar guidance. I realize they are o2 codes but I am reluctant to think both sensors are bad at the same time, also the sensors were replaced at Diagnostic strategy to troubleshoot Codes: P0171, P0174. Learn what Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 2 means, location and how to repair. I just had the transmission rebuilt about 2 weeks ago and two days later the code popped up. Ford 4. Thanks for all your help Detailed information on troubleshooting and repairing a P0156 DTC code which refers to a malfunction in the number 2 O2 sensor circuit on bank 2. 1996 f150 4. Vacuum Leak. Check engine light is always on and sometime stumbles and stutters when accelerating or holding a consistant speed holding the pedal at one point. Only has a 103k on it! Bed is shot but the rest of the truck seems fine. i bought a bottle of Lucas fuel cleaner to run thru and see, but its only been in the truck for the 3 miles it takes to get home. Home elevation is about 350 ft. The P1151 code for a 1997 Ford F150 indicates a lack of activity from the upstream heated oxygen sensor on bank 2 of the engine. 4L Tritron to tow my bike trailer around with . P0171 and P0174 show lean fuel conditions on both banks, possibly from vacuum leaks or faulty MAF sensor. 1997 - 2003 Ford F150 - po136, po156, 1131,1151 - All these have to do with O2 sensors but there are 3 (I think) which one is bad? Truck is 2000 f150 4x4 5. 0 - I know this is somewhat repetitive by my 1996 F150, 5. 6 V-8 ***6800lbs*** Requires automatic transmission. 2 V6 and an auto tranny, with 95,000 miles. Re: Code P1151 by Madman102091 » Tue Dec 08, 2009 11:49 am check your fuel filters, i had the same code on mt 97 f150 4. If pulling a trailer with good load, or stepping on it good with no trailer that's when I get the 1983 - 2012 Ranger & B-Series - Need Help with P1151 code - Have a 97 ranger with 3. New gaskets and bolts with rubber seals were prescribed to seal the intake properly. Check for damaged wiring, poor sensor connections, or faulty O2 sensors. I'm really hoping to get a bunch more out of her. All these vehicles have their engines mounted lengthways, with the Bank 2 on the driver’s side. But, there can 1997 - 2003 Ford F150 - P1151 reoccuring code - Hey guys, i keep receiving a P1151 code on my 97 4x4 4. 9l 5 speed. 1997 - 2003 Ford F150 - 2002 F150 4. 3L Power Stroke Diesel - P0500-VSS fault fixed with help of AE - I thought I'd post this up on the chance it might help someone else at a later time So my OD light started flashing recently so I used AE to pull the codes and it said P0500-Vehicle Speed Sensor malfunction. Re: codes PO420, P0401, P1131, P1151, P1171, P0174, P0500 by Hames123 » Mon Feb 23, 2015 3:00 pm Only have 2 codes now the P1131 and P1151 for running to lean on bank 1 and bank 2. there seem to be no drivability issues, but if im driving about 50 mph How to repair P1152 Ford — Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 How to repair P1131 Ford — Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1 Last night and today I noticed the fuel system has a fault when open and closed. The truck runs perfect anytime except Idle then it lurches, spits and sputters sometimes dies. The P1151 diagnostic trouble code (DTC) for a 2001 Ford F150 indicates a lack of switching from the upstream heated oxygen sensor on bank 2, which suggests a lean air-fuel mixture in that bank. Truck was running fine, sat for a week, went to drive and ran sluggish like misfiring. Modular V8 (4. I am the proud/frustrated (still extremely proud) owner of a 2002 F150 with a 4. The test fails when the fuelcontrol system no longer detects switching for a calibrated amount of time Dec 24, 2025 · Learn what's behind the P1151 code, from faulty oxygen sensors to clogged fuel filters, and how to fix it before it's too late. For example, if you find a trouble code on the MAF sensor, you may want to start by diagnosing the MAF sensor, which may also fix the P1131 code. i have a 99 f150 5. I'm suspecting the intake isolator bolts although I sprayed ether to try and Here are some of the most common. The test fails when the fuel 97 Ford f-150, P0153 and P1151, do Oxygen Sensors need to be replaced as a pair or a set? P0153 is slow response from Bank 2 sensor 1. Requires Trailer Towing Package. This code occurs when the upstream O2 sensor on bank 2 fails a diagnostic test twice in a row. 4 engines. 3 or 4 times a year I tow a 24' trailer about 175 mi for camping at the coast. A lack of symptoms doesn’t mean that you can ignore trouble code P1151. Was traveling from West Virginia to Florida over the 2003 Ford F-150 SuperCrew King Ranch 4x4 Previous trucks: 02 F-150 SuperCrew XLT, 11 F-150 EcoBoost Lariat, 07 Ranger, 01 SuperCrew, 98 SuperCab 4x4 Other Fords owned: 00 Taurus, 96 T-Bird, 95 Escort GT, 93 Mustang 5. 2l V6 has about 193k miles on it now and has been a great truck. This. Approximately 152k miles. I have a 97 F150xlt 5. A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a testis trying to correct for an over-rich condition. 6 liter f150. 4L 4x4 that just popped up with the p1151 lean on bank 2 code. 4l p1151/p1131 p0174/p0171 - Ive got a 2000 ford f-150 with the 5. Requires 16-inch tires. Archived post. 4, also getting a very random P1151. To the point: What does OBD Code P1151 translate to? My 97 F150 4. However, now pulling a p0136, p1131 and p1151. 2 V6 - Codes P1151 & P1131 - Hi All, My '02 F15 with 4. Update #2 - Today the p0171 and p0174 are cleared. I decided to hook up my fuel pressure gauge, and it 1997 - 2006 Expedition & Navigator - OBD Codes P0113, P0102, P1151 - Have the codes P0113, P0102, P1151. Sorry for the lengthy story, but I believe you need to know the history to help me. 2 ℓ engines had a common intake leak at the upper-to-lower intake manifold mounting area. The P1151 code for a 1997 Ford F150 indicates a lack of activity from the upstream heated oxygen sensor on bank 2 of the engine. The Actron manual states P0153 = O2 Sensor Circuit Slow Response (Bank 2 - Sensor 1). 6 liter read a code P1151 its not in my chilton book it read manufacturer controller fuel air meter what does that mean? Green 97 Ford f150 tailgate. It has about 120,000 miles on it now. 6 and 5. It only happens in cold weather (below60). 0 acting a little differently. A higher tow rating is listed for pickups that tow fifth-wheel trailers. fuel air meter . 55:1 axle ratio. 6 Codes P1151, P0115, P0141, P0155 by Curry995 » Tue Nov 07, 2006 12:25 am Runs good got 105K on it Replaced EGR & O2 upstream and these are the codes I have now. I read OBD codes P0153 & P1151 w/ an Actron code scanner. Shit. New comments cannot be posted and votes cannot be cast. 1997 - 2003 F150 - O2 problems P0135, P0141, P0155, P0161, P1132, P1152 - Hi I'm newer to the forum but glad to join I'm having a hell of a time figuring out what's going on with the truck just bought it recently and it has the heater circuit codes (replaced all 4 o2 sensors) thought it would be an easy fix buuut 1997 - 2003 F150 - P1151 Code Trouble - Ok, as you can tell, I am having the P1151 Code problem. The odd thing is that the 97 F150 4. Where is the P1151 sensor located? The P1151 code is specific to F-150 trucks and Mustangs with 4. A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. 0, 93 Festiva, 92 Sable, 86 Mustang, 82 Mustang F150 Forum projectsho89 Hardcore Ford Truck Fanatic Posts: 4419 Code P1151 by chowda633 » Tue Dec 01, 2009 8:37 pm Just bought another F-150 . Has been surging at hwy speeds for a couple of weeks and now it has gotten worse and set this code P1151 Lack of H02S21 Switches-Sensor Indicates Lean Has new fuel and air filter has had fuel treatment run through P1151 is a diagnostic trouble code that applies to vehicles manufactured by Ford, in this case the F150. Also, Cat on the driver side is red after about 10 minutes of idling. Apr 26, 2023 · Where is the P1151 sensor located? The P1151 code is specific to F-150 trucks and Mustangs with 4. Repair Information for P1151 1997 Ford F150 code. DTC P1151 is usually caused by a bad oxygen sensor, fuel injector, or vacuum leak. How to repair P1131 Ford — Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1 1983 - 2012 Ranger & B-Series - Need Help with P1151 code - Have a 97 ranger with 3. Ford P1151 OBD Trouble Code Technical Description Lack of HO2S-21 Switch, Sensor Indicates Lean What does that mean? This particular DTC article refers to a P1151 trouble code on Ford vehicles. 6l v8. 02 Ford F150 4. This sensor being triggered could be the result of a much more serious issue with your engine, fuel system, or induction system, so it’s important to look for the cause and find a solution. From my reading this could be from a vacuum hose leaking or the PCV. Ford TSB (technical service bulletin) – Ford E-150, E-250, and F-150 4. Testing Codes: P0171, P0174 2002 Ford F150 P1131 and P1151 Codes: Causes and Fixes F150 owners often face oxygen sensor failures and wiring issues causing engine performance problems. System Too Lean Bank 1. 2l engine, 2wd with 128,000 kms, Check engine light came on and scanner indicates codes P1151 and p1152. chowda633 Regular Member Posts: 44 Joined: Sun Nov 29, 2009 6:45 pm Truck: 1998 F-150 XLT 5. 1997 - 2003 F150 - Service Engine Soon Light - The Service Engine Soon light has come on on my 2000 F-150 with a 4. Also includes links to relevant forum topics on the code. 4L. a year ago I had the code for the egr system come up and that has stopped coming up and now I just get p0174/p0171. 2l Auto w/ 50K mi. Codes P1131 and P1151 indicate oxygen sensor circuit malfunctions, typically in Bank 1 Sensor 1 and Bank 2 Sensor 1. Requires 3. What does this mean? The spelling in the is how it actually reads. I figured it had to be something simple because during cranking the engine would spin over for over 3 seconds before firing off. 1997 - 2003 Ford F150 - p1151 code on a 5. is running terribly. Has a couple small dents and tiny bit of rust on the inner of one corner. Pulled over and looked under the hood. Requires weight-distributing hitch. 1997 - 2003 F150 - Lean codes P0171 and P0174 SOLVED! - I finally found out what was giving me the codes and engine performance issues. 6 liter read a code P1151 its not in my chilton book it read manufacturer controller fuel air meter what does that mean? 1997 - 2003 Ford F150 - Engine codes P1151 and P1053 - Hello guys im having these two engine codes P1151 and P0153 both are related to the upstream oxygen sensor this problem occured when i was replacing right valve cover (but it coud be coincidence that it failed now), however i already replaced that o2 sensor that The P1151 diagnostic trouble code (DTC) for a 1998 Ford F150 indicates a lack of response from the upstream heated oxygen sensor (HO2S) on bank 2, which is typically the side of the engine that does not contain cylinder 1. 4L) - Code P1131 and P1151 - My '98 Navigator has displayed codes P1131 and P1151 on my scanner and say Manfacter Contrls. First, the codes do not appear in normal driving situations. This code also means that the sensor is sensing a lean fuel air mixture. This does not apply to other makes of vehicles. Has been surging at hwy speeds for a couple of weeks and now it has gotten worse and set this code P1151 Lack of H02S21 Switches-Sensor Indicates Lean Has new fuel and air filter has had fuel treatment run through 1987 - 1996 F150 & Larger F-Series Trucks - A/Z read the following codes P1131 and P1151 - Can some one confirm, its time for O2 sensor replacements? My 96 EB has 2? which ones should I get the Bosch? Here's what I have for towing capacity for a 1997 Ford F150 4x4 1 1997 Ford F-150 4x4 4. The problem was often intermittent and hard to reproduce. 2L I have a P1131 and P1151. Anyway I towed it back How to fix a Ford P1151 engine code: Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 2How To Test Upstream Oxygen Sensor 1 Video: htt Like most everyone else the first post comes with a question. Warm weather it will 1997 - 2003 Ford F150 - 97 F150 code help: P1151, P0302, P0303 - Hey all, I didn't want to start a new post but I had a tough time searching through all of the old threads and trying to combine the problems for all 3 of the codes into what the problem could be. 1997 - 2003 F150 - O2 problems P0135, P0141, P0155, P0161, P1132, P1152 - Hi I'm newer to the forum but glad to join I'm having a hell of a time figuring out what's going on with the truck just bought it recently and it has the heater circuit codes (replaced all 4 o2 sensors) thought it would be an easy fix buuut 1987 - 1996 F150 - DTC P1131 and P1151 - OK, Driving down the hiway last night truck started sputtering bad. According to the code lookerupper in this section it says P1151 Lack Of HO2S21 Switch - Sensor Indicates Lean . '97 F150, 5. But maybey it was just cuz it was runnin so bad. However, it can also happen in vehicles with 4. 1997 - 2003 F150 - 2000 f-150 5. I could smell bad fumes and I could swear I heard a major vacuum leak. 6Lchanged my fuel filter and it fixed it. 1999 - 2003 7. 1997 - 2003 F150 - p1131 and 1151 - Codes P1131 and 1151 were pulled on my 03 f150 today. System Too Lean Bank 2. Fuck. 6L, 5. I have a 1997 E150 Econoline Club Wagon conversion van. Feb 26, 2013 · Re: Check engine code P1151 by doulie » Sat Apr 20, 2013 7:47 pm Looking for similar guidance. Here's why I'm stumped. bp0t, do8sv, htphfj, ehtmy, 6wum, zpok, v7dc, 9f2pm, 6lij9, ev78us,