Problem with too lean a system #1&2

Greetings! Have u repaired and fixed all vacuum leaks?

Did u replace the elbow?

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Iwill try that and see if it works.

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amedee:
      Can't get parts until tomorrow. Iwill get back to you as soon as possible.I PROMISE.
                         BOB

Thanks! I appreciate your honesty.

Edited by amedee on October 17 2006 at 4:25pm

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amedee;

I broke the plastic line taking the collapsed
rubber elbow off. It was very brittle from the heat of the engine. Didn't have either part at the part stores, so I had to go to the Ford dealer,and he had to order it. As soon as I get the parts,and see if that resolves the problem, I
will immediately get back to you. Thanks for your patience.
                    BOB

Thank u for keeping me updated. I hear ya! I know about the brittle plastic. Just remember, the check engine light will not go off by itself right away. U will have to disconnect the battery for about 5 minutes.

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Amedee;
Replaced the whole PCV line,didn't work. Still have PO171-system Lean (Bank 1)& PO174-system rich Bank 2.Also the Evaporative system Monitor is blinking. That's it,I'm lost.
                            BOB

HI again Bob. Just be patient, we will get to the bottom of this.

Did u clear the codes?

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Amedee;

NO I did not,but I will do it now.--------I just went out and erased the codes, and you were right on. I can't believe I couldn't see that.THANK YOU THANK YOU
P.S. The check engine light is off and theOBD2 reads 0.

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Amedee;

   I spoke to soon. Just took it out for a test run, and the engine light came back on. Same codes with 2 icons blinking,Exhaust Gas Recirculation and Evaporative System.I pressed the accept button for your last answer. Instead of charging me the original amount of 50.00,Just answer is going to charge my PayPal 104.00 for the answer I accepted. If their going to charge me another 100.00 if you reply to this,don"t Bother. I thought you were supposed to pay only
when the problem was solved. Thanks anyway.
              BOB

Well u have not hit the accept button for this particular question. I have not gotten a penny! U only made a deposit. I am still more than happy to help u. Just be patient!

With that said, we can continue to work through this. THere are a lot of reasons why these codes can come up. We have to go through things and test them individually.

What are u reading codes with? Is it just a code reader, or a full bidirectional scanner?

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Amedee;

I have a OBD2 reader.

So only codes, correct? No data?

Edited by amedee on October 20 2006 at 8:27pm

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Amedee;
   We had a bad storm last night,and I couldn't reconnect with you. Only codes and blinking icons,no data. It's a cheap reader.
                      BOB

When you say the evap system monitor, are u talking about the check engine light or the service engine soon light? Also on my diagram, I dont see a icon for an egr light. Could u do me a favor and tell me what number it is on this diagram. I want to be sure we are on the same page. Thanks a bunch!

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Amedee;

   Am having trouble with my computer now,ought to take it & the Expedition and have a bonfire. The icons are on the OBD reader, there is an icon for every system monitor.
     Don't have a service soon light,just a yellow check engine light.

Oh,Ok Good So just the check engine light is on with the lean codes. What we are going to have to do is make sure there is no other air or vacuum leaks AT ALL! ANY AIR LEAK AFTER THE MASS AIR FLOW SENSOR ALL THE WAY TO THE CYLINDER WILL CAUSE THE LEAN CODES INCLUDING THE INTAKE MANIFOLD GASKETS! AFTER ALL THAT IS CHECKED WE CAN MOVE ON THE THE MASS AIR FLOW SENSOR. When it goes bad it underestimates air flow coming into the engine and the computer flags the lean codes! Not kidding! This is a big problem with fords!

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AMEDEE;

The only way I know how to check for a vacuum leak is to spray area with carb cleaner which effects the running engine, if there is a leak'
I did that and the engine kept running smoothly,so I don't know,but I don't think there are anymore leaks.

Good! Looks like we are headed i the right direction. Just be sure to spray around the intake manifold gaskets and check the snorkel for rips and cracks. Also make sure there is not any tube that has fallen off the snorkel! If it all checks out good, I would rec a mass air flow sensor.

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Amedee;

Whats the snorkel?

The snorkel is the black rubber tube from the air filter housing to the throttle body on the intake manifold.

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Amedee;
   The mass air sensor is possibly the cure for this?? O.K. I'll go with that,if you think this is the solution.
                     Bob

To be honest with you, yes! It is very common for this sensor to go bad! If u are sure there is no air or vacuum leaks anywhere under the hood, ANYWHERE, than yes, replace the mass air flow sensor!

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AMEDEE;
I accepted, so let me know if you get paid.THANKS for your TIME.
                           BOB

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