I need to try and hunt down a P0171 code system lean bank 1 and I figure the injector might be the issue. I was going to use this injector cleaner but I want to make sure that it won't harm anything else like sensors or what not by using this cleaner.

Any experienced insight is welcome.

 

Won't hurt anything, but I doubt it will fix your problem. Seafoam is a much better option.

 

What he said. Most of those "fix-all" things don't do a damn thing. Although seafoam and star tron have pretty good success by everyone across the boards. I would rather do the seafoam treatment that put a $7 bottle of nothing down the pipe.

 

Ford's fuel injectors have been deposit resistant since the late 90's, no fuel additive will do any good. Seafoam however will remove carbon deposits from the intake valves when injected thru a vacuum line like the brake booster hose slowly (idling and letting it it sip in without killing the engine) to restore lost power.

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It's just one of those things that's in the garage and I figured if it wouldn't hurt it I'd toss it in. I've already poured Seafoam in the Brake Vac a few weeks ago.

Thanks

 

I wish people would quit pouring seafoam into their intakes. Liquid in the manifold is the worst thing to do. You need a mist... not a liquid. I cant believe no one has burnt a valve yet.

But yeah, rant over... that wont fix anything. Probably make your engine run leaner actually.

 

You have no clue what your talking about. I've been wrenching for 30+ years and any chemical that removes deposits from the intake valves boosts performance.

With intake valve deposits (carbon build up) when the injector sprays the fuel it soaks into the deposits on the intake valve causing power loss. To remedy that loss is to use a chemical like seafoam or BG to clean the valve faces/seats.

 

I've been using Seafoam since 2003 and I've always used the brake vac line, fuel tank, and in the oil. I just had this STP in the garage and want to get rid of it, while at the same time having a code that could be an injector. I'll dump it in tomorrow and get it out of my hair. Maybe I'll get lucky and see some crazy unexpected improvement. I have a complete set of injectors on backorder hold waiting for me and I'm just trying to make sure that's what I need before buying them. I really dislike these newer setups. On my 98 Mustang I just rebuilt the engine last week (4.6 GT) and it was easier to rebuild the whole thing than to find the source of this damn code.

 

I have found that lean codes (171/174) are typically caused by a vacuum leak or exhaust leak.

 

I use chemicals to clean intakes all the time, every day in fact. What you don't want is cold liquid sitting in your intake manifold ready to hit a hot intake valve. There is a reason that injectors "mist" fuel and not just pour it into the intake runners.

And just because you have been wrenching for 30+ years doesn't mean you aren't a moron. I've worked with plenty of mechanics that have been doing it for decades that I wouldn't trust changing my oil let alone actually fixing something on my truck! But kudos to you for being master of the universe. Ill take my Master ASE Certification and go fix things the right way and no blow up peoples vehicles.