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Old 11-03-2005, 03:14 AM   #1
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Code P0174

what can I do to fix it, please help
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Old 11-03-2005, 08:20 AM   #2
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Re: Code P0174

Year? miles? thats a bank 2 lean code, could be from many things...
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Old 11-03-2005, 08:27 PM   #3
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Re: Code P0174

damn, and you're in Norway too...

I know he has a 95.
from a 2003 post, lol.
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I just wonder if I can fit a '97 Cobra rear on my '95?
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Old 11-05-2005, 05:45 AM   #4
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Re: Code P0174

1995,V6, auto, 89.950 miles

Bank 2 is the passenger side correct?
Oh, and I've just fixed my head basket blow out on both sides 2-3 months ago.
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Old 11-05-2005, 08:14 AM   #5
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Re: Code P0174

With that many miles I would replace both with Motorcraft O2s (not bosch). HGs blowing has also been known to kill O2s.
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Old 11-05-2005, 01:57 PM   #6
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Re: Code P0174

Quote:
Originally Posted by justin00stang
With that many miles I would replace both with Motorcraft O2s (not bosch). HGs blowing has also been known to kill O2s.
I've replaced the O2's, with bosch though
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Old 11-10-2005, 08:30 AM   #7
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Re: Code P0174

What will happen to the car when it's lean? I know it's not good and all that and I don't drive my car until I get it fixed, just wondering
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Old 11-10-2005, 09:13 AM   #8
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Re: Code P0174

Quote:
Originally Posted by NorwegianMustang
What will happen to the car when it's lean? I know it's not good and all that and I don't drive my car until I get it fixed, just wondering
On a low HP NA engine, nothing really. I run my truck 17:1 on occassion.
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Old 11-10-2005, 09:55 AM   #9
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Re: Code P0174

It's basicly stock, just CAI and exhaust mods on it.
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Old 11-21-2005, 04:43 PM   #10
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Re: Code P0174

Any ideas of what it can be? I really need help over here
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Old 11-21-2005, 11:37 PM   #11
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Re: Code P0174

i would replace the dpfe sensor. most of the time they get moisture in them. replacing the egos will not get rid of the problem.
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Old 11-22-2005, 01:25 AM   #12
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Re: Code P0174

Quote:
Originally Posted by redfire2003
i would replace the dpfe sensor. most of the time they get moisture in them. replacing the egos will not get rid of the problem.
dpfe?
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Old 11-22-2005, 03:40 PM   #13
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Re: Code P0174

i was wrong let me get back to you on this problem. Will talk to one of our techs (i work for ford dealership)
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Old 11-22-2005, 06:21 PM   #14
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Re: Code P0174

Quote:
Originally Posted by NorwegianMustang
Any ideas of what it can be? I really need help over here
P0174, Bank 2 lean (driver's side), fuel adaptive system @correction limit (trying to increase fuel and it can't). You changed O2's with bosch......were they the universal type (have to do wiring and use original connectors) or, were they replacements with the connectors?

Anyway....the following is a list to check before doing any additional replacements:
- Check MAF hose connections for air leaks, loose connections, hoses not connected and the CAI.
- Any vacuum line (specially on the driver's side bank) that may have a leak.
- Is your PCV connection OK?, is the PCV valve OK?
- A leaking EGR valve gasket or EGR valve not completely closed.
- Any exhaust leaks on the system? Headers gaskets OK?
- and last but not least, check that the oil dip stick is properly seated......believe it or, not.....this can also cause that code.

If everything turns out fine, you'll have to get into checking the fuel pressure, monitoring actual O2 sensor output and so on..........

Otherwise, you can replace the left O2 sensor with a Motorcraft replacement and see how it turns out. LUK/GL
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Old 11-23-2005, 12:48 PM   #15
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Re: Code P0174

Quote:
Originally Posted by Joel5.0
P0174, Bank 2 lean (driver's side), fuel adaptive system @correction limit (trying to increase fuel and it can't). You changed O2's with bosch......were they the universal type (have to do wiring and use original connectors) or, were they replacements with the connectors?

Anyway....the following is a list to check before doing any additional replacements:
- Check MAF hose connections for air leaks, loose connections, hoses not connected and the CAI.
- Any vacuum line (specially on the driver's side bank) that may have a leak.
- Is your PCV connection OK?, is the PCV valve OK?
- A leaking EGR valve gasket or EGR valve not completely closed.
- Any exhaust leaks on the system? Headers gaskets OK?
- and last but not least, check that the oil dip stick is properly seated......believe it or, not.....this can also cause that code.

If everything turns out fine, you'll have to get into checking the fuel pressure, monitoring actual O2 sensor output and so on..........

Otherwise, you can replace the left O2 sensor with a Motorcraft replacement and see how it turns out. LUK/GL
The O2's where universals, had to do some wiring. Gonna check that out for sure.
What is the part number for the Motorcraft replacement O2's?

I do have a exhaust leak, but it's on the driver side

The PCV is the valve on top of the passenger valve cover right?

Head gaskets have been changed due to a blown gasket on each side.

EGR is the connection to the TB right?

Will also check the oil dipstick


Thank you
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Old 11-23-2005, 06:59 PM   #16
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Re: Code P0174

Quote:
Originally Posted by NorwegianMustang
The O2's where universals, had to do some wiring. Gonna check that out for sure.
What is the part number for the Motorcraft replacement O2's?

I do have a exhaust leak, but it's on the driver side

The PCV is the valve on top of the passenger valve cover right?

Head gaskets have been changed due to a blown gasket on each side.

EGR is the connection to the TB right?

Will also check the oil dipstick


Thank you
Driver side bank of cylinders is bank #2.....if you have an exhaust leak in that side.......you may have found your culprit cause for the code setting.....I would double check the O2 wiring, though.
EGR is the valve that recirculates exhaust gas during partial loading of the engine. GL
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Old 11-24-2005, 06:21 AM   #17
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Re: Code P0174

Quote:
Originally Posted by Joel5.0
Driver side bank of cylinders is bank #2.....if you have an exhaust leak in that side.......you may have found your culprit cause for the code setting.....I would double check the O2 wiring, though.
EGR is the valve that recirculates exhaust gas during partial loading of the engine. GL
Cool thanks, I've been told that bank #2 is passenger side, so I've consentraded on that side. Guess I better fix that leak, if it only could stop raining and not be too cold to roll over under the car.

Thank you
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Old 11-24-2005, 08:57 AM   #18
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Re: Code P0174

I believe bank 1 is the passenger side.
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