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Let's have a look at this 97 Ford F150 with the classic P0171 "Lean Bank 1" code that seems to happens to these Fords more often than not. Typically it is a vacuum leak at or near the manifold but this one turns out to be a bit different. -Enjoy!
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South Main Auto Repair
47 S. Main St
PO Box 471
Avoca, NY 14809
Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair
Stock and Crypto AI Prediction : https://stocksignalslive.com
Let's have a look at this 97 Ford F150 with the classic P0171 "Lean Bank 1" code that seems to happens to these Fords more often than not. Typically it is a vacuum leak at or near the manifold but this one turns out to be a bit different. -Enjoy!
WANT AN "SMA" STICKER OF YOUR OWN!?!
Simply send and E-mail to SMAstickers @outlook.com including: your shipping address and e-mail address in the text, I in turn will send you a paypal invoice for $5 each USA or $6 each international. Let me know how many you want and as soon as the paypal invoice is paid I will ship them out ASAP! Thanks for your support of our channel!!
--Eric & Vanessa O.
Feel like sending some swag to SMA because you love the videos but don't know where to send it?
Just ship it here:
South Main Auto Repair
47 S. Main St
PO Box 471
Avoca, NY 14809
Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair
I would think the holes in the manifold would not draw air in based on the location. The exhaust would be under high pressure forcing air out not in. Where as any other point beyond where all the tubes join would create a draw “in” as the pressure decreases and passes a leak hole creating a siphon.
It’s easy to link your business success to your common sense approach to each customer’s situation and needs and your tremendous troubleshooting skills. I only wish you were in Spokane, WA. Great place to live btw…peace out..:)
I was wondering what the brakes felt like 👍
This guy loves that money light.
I just had a local garage tell me that a new MAF is $275 and $170 to install !!!
Rock auto: $22 cheapest and Denso OEM $61. 2 screws, easiest ever to reach. 4 minutes.
2001 Toyota Celica. What is wrong with this picture ?
Since yr brakes are normal it’s the gasket between the master cylinder and booster. I had the exact same codes on a 07 Impala I took the m/c off and that gasket was torn Replaced it it’s been good to go
One question, if an injector wasn’t putting out enough fuel wouldn’t the LTFT increase rather than decrease with more rpm’s?
very helpful
Thanks for the update 😀
What was the fix?
Bad vídeo
Was this an ad for break Kleen? 🤣 jk great video very informative. I have a 2000 F150 with the 4.6 and it’s near the end of its life this video was great I’m having a similar issue and really considering how much I want to actually try
Is it the problem?………Its a problem. Haha. I like your sayings.
My 2002 5.4 showing that code with a rattling noise !
Dealing with a similar issue
so where is this vacuum leak hole under the truck?
That truck has the all Aluminum metal intake…They hardly ever fail. As my van has the same intake with 200k miles…They have never never leaked..But the hose after the huge air filter likes to come off….And for some strange reason. It only throws a code for Bank 1 when it come off.
Great videos, very informative about fuel trims and leak down test.
Enjoyed the video! Helps greatly to try to help diagnose where my problem(s) may be. Have to look for a smoker! Have the same engine on my 97 F150 4.6 1997. Just paid 500 to get the drivers side exhausted manifold replaced. Runs better. Though. Now get a P0171 and P0174…. Things just start snowballing on these 20+ year trucks. Suspecting a lazy O2 sensor as they are OG. Also, just had the OG intake manifold solder/patched. Love/hate relationships anyone?!
Regular cab short bed 4×4 v8 5 speed with a camper to top it off ideal truck if you ask me and the information you give us is great thanks for the quality content
Intake leak? No problem ! Flex-seal will stop that leak! Spritz spritz! No more leaks thanks to flex seals revolutionary secret formula!!!
28 minutes for a code
seriously there is a const epoxy in big tube I use all time on metal,plastic ,concrete wood ,it
is pricy…… but the best ,@ white cap
Use tanker truck of epoxy,,,,dip lower part o truck… perfect. then sell.
Good video
What about negative ltft -29?
Great video covering many possibilities.
I learned that I may not repair it.
I have a 1998 F150 4.6. When I give it gas, it gets even more lean. New fuel pump, filter, and injectors. Where do I check now?
Right to the junkyard
Would someone put some oil in the crankcase?
Good content. Thanks!
I've have visited your videos about six times now and you have always helped me fix problems I've been dealing with at the time just want to say I admire your talents and like your style of Diagnostics thank you very much
Never seen your channel before. Good stuff!
Thanks for this, i have the exact problem.
Very interesting!
I have i 99 ford f150 and it's show a misfire on cylinder 3 and 2 p0171 p0141 p0161
I've never seen a booster rotted like that before!
CHECK YOUR O2 SENSOR BY THE MANIFOLD!!!! that fixed my light even tho the code says to replace maf sensor
I have a 2003 with the 5.4l. Bank 2 lean code p0174. Fuel trims are high on bank 2 with not much correction with throttle. What could be the problem?
I've been wrenching for 40+ years and I really enjoy your videos and pick up some good info to boot!