Ford Edge P0203 P0303 misfire diagnostic | using fuel trims to confirm repair

2008 ford edge 3.5 liter v6
Cylinder layout
1 - 2 - 3
4 - 5 - 6
|
v v
Front of vehicle
Use this diagnostic method on many vehicles
Watch me diagnose and fix a Mercedes-Benz Cls500 with a P0300 misfire code.
• Mercedes-Benz CLS500 P...
Hope this helps if you're having a similar issue. 😎👍

[@jeepinwithjim9894]

Great video, thanks. I especially appreciate the help troubleshooting using the live data to explain the lean condition. I replaced injector #3 and all is good.

[@victorr2710]

Glad I could help take the guess work out of your repair. The live data is so valuable and I'm happy you were able to make sense of it.

[@x6King6x]

I changed my spark plugs and it fix the misfire in mines.

[@mnmb3640]

My Edge doing this exactly, but after watching the entire video, realize this is way more labor intensive than we previously thought. Guess it’s going to the mechanic for this repair. Thank you for the excellent in depth video! New subscriber!

[@victorr2710]

Thank you for your support. Sometimes its best to let a trained technician repair certain issues.

[@naptown4200]

Nice work bub 👍🏽. Hey i got a P0204 cylinder 4 injector control circuit,05 cadillac cts i don't have a clue where to start

[@lfv9010]

My 2007 Ford Explorer is giving a a P0203 P0303 and P0171 code. Should it be driven to the shop or towed....?

[@victorr2710]

Tow it

[@MarkS-xh7mr]

I have a question my 08 edge is misfiring still p0303 an i also have a p0171 ive already swapped the plug out an changed the coil but still misfiring in the same cylinder i dont have a scan tool an was thinking about replacing the fuel injector for the 60 dollars should i do that or just bring it to a technician ?

[@victorr2710]

Depends on your skill level. Changing the fuel injector is a little tricky but if you feel confident then try it yourself

[@tamishagroves7281]

How do you get it running correct air & fuel to be running efficiently ? My wife 07 edge has P0303 Cylinder #3 misfire on my Zurich ZR8 OBDII READER

[@victorr2710]

Change spark plugs and #3 coil. Put some premium fuel or fuel injector cleaner in gas tank multiple times. If you cant reach correct air fuel ratio then check for vacuum leaks, fuel pressure and fuel injector clogging and cylinder compression. Also check exhaust back pressure.

[@link4eva10]

Do you have link to scanner tool? Mine is cheap one and doesn't display values like yours

[@victorr2710]

Search creader 6 on Amazon

[@toddlilley7917]

Thanks for the video. Did you relieve the fuel pressure before pulling the fuel injector bank?

[@victorr2710]

Nope

[@SamuelsViewsEST16]

I have a code P0302 and I've changed the Coil and Spark Plugs and it's still giving me the same code and it Misfires when I drive it. Do you think it can be the injectors?

[@FryandSons]

Did you end up fixing your misfire?

[@victorr2710]

As long as your getting Injector pulse you can be assured it is the Injector or simply swap your number 2 coil/spark plug with a good running cylinder next to it. Last thing to check is compression

[@maddz8288]

Is it possible to do the cylinder 4 injector without removing the intake and fuel rail completely? Front left corner is cylinder 4 injector.

[@victorr2710]

No way around it. Intake has to come off and fuel rail has 4 bolts that need to be taken off front and back or else you'll bend your rail.

[@link4eva10]

I have same issue, but for cyl 4 . Started with cyl misfire then fuel injector code. Moved cyl coil and changed plug. Misfire stayed. Changing inj today

[@victorr2710]

Check power and ground on coil connector and make sure you have a pulse coming from injector connector. No pulse on injector can lead to computer or wiring harness issue.

[@link4eva10]

The car was sitting for 4.5 months, bad engine. Swapped that one out and put original fuel rail on. Supplied power to an injector, messed up engine, and to the cyl 4 injector from the CEL. There's is a difference in the tick. CEL 4th cyl injector was lower and the messed up engine fuel injector had a stronger tick. Swapped out that day and no more CEL. I did notice that the fuel rail, from donor engine, had clean injectors when I put in engine. When I swapped out the injector, I noticed that all the nozzle tips, to every injector, were all rusty colored

[@mitchapalooza4290]

If I also get a Bank too lean code what can that mean?

[@nomorebreaksmigo5412]

I had 3 cylinder misfires random misfires like 7 codes too lean od sensor turns out it was just a couple loose cables

[@victorr2710]

That is why I check the wires first

[@tamishagroves7281]

I noted you said : spark plug fuel injector or possibly coil pack as the culprit...

[@jovenw4113]

hey, I am currently facing the same problem with my car, Is there a way to reach out to you like your email or your contact so you can guide or give me more info on what I can do? I would appreciate your response, Thanks

[@niccoarcadia4179]

Note: All older Ford Edges have "Low Tire Pressure" on the dash.

[@victorr2710]

Yup the tire bead seal leaks air lol

[@reneemcroy9894]

09 Ford taurus P0206/P0306 are the codes that come up when I pull the codes I've changed out coil pack and sparkplug on cylinder 6 my check engine light now flashes at me then it'll just stay on and sometimes won't come on at all Please lead me in the direction to fix it I don't want to mess my car up

[@victorr2710]

A 206 is fuel injector code. Make sure the plastic connectors aren't broken where they lock. If it's connected correctly you might need an injector on that cylinder

[@jimmothymcjimmersmith8948]

If its just a p030x code then it could be a few different things. The p020x code is the give away that youve got a fuel injector acting up

[@erlinraphael8546]

Po 017

[@Nate20]

I need some work done on my car I messaged you via letgo and got no response