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Old 04-22-2014, 01:20 PM   #1
cookiemo
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Thumbs down stalling after replacing pipe

hi all,

hoping someone can help, my car started making a whistling noise from under the bonnet and we found a broken pipe/hose

we took it out and it has part no:4m5g-6n664-ba c72 ga>eco2

the parts shop sold us 4m5g-6n664-fa

but now the car has low revs and the stalls.

im pretty sure its an air pipe, can anyone confirm this?

anyone have any suggestions?


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Old 04-22-2014, 01:32 PM   #2
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Can you post a picture ?
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Old 04-22-2014, 01:37 PM   #3
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yeh its attached

this is the old one i took out
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Old 04-22-2014, 02:45 PM   #4
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I tried to do a search on a U.S. Ford site. I didn't have any luck. If it's a vacuum line, it could be you PCV hose. which could be a faulty PCV valve or possibly your idle air control valve. IACV for short.
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Old 04-22-2014, 02:50 PM   #5
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is that going to be expensive? ive got no idea what those bits are
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Old 04-22-2014, 04:27 PM   #6
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I'm not sure in the U.K. You'll have to do some research. Maybe someone in your area will pick up on this thread. Over here, the PCV valve is about $15.00 from a Ford dealer. Any where from $40.00 to $100.00. It depends on the brand and where you buy it. Research......
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Old 04-23-2014, 06:24 AM   #7
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Angry

Hey,

So i now have a engine warning light since trying the new pipe.

My mates connected a fault code reader and im getting the following faults for the engine:

*P0107 - Powertrain - Manifold Absolute Pressure / Barometric Pressure Circuit Low Input
*P0113 - Powertrain - Intake Air Temperature Circuit High input

Can anybody point me in the right direction to progress this issue?
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Old 04-23-2014, 10:19 AM   #8
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Not sure how a UK Fiesta differs from a US Focus...but that pipe looks like it could be the PCV hose or the breather hose that runs from the valve cover to the airbox. A pic of a foreign hose on a table isn't very useful to us; a better pic would be a good, clear image of the hose under your bonnet.

If the engine was running pretty well, and then you made a repair and now it it runs rough and triggers a CEL, then either your MAF sensor is bad or disconnected, or you have a vacuum leak. The obvious things to check are:
  • did you disconnect another pipe or electrical plug, and then forget to reconnect it?
  • is the new pipe installed correctly?
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Old 04-23-2014, 01:01 PM   #9
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The engine details are missing (size) that could help others with a guess. Some engines run on MAP sensor & air temp, some have MAF & temp, some both even!

Loose hose or even disconnected wiring is a good first guess. Where that hose was located & any difficulties in replacement would also help with the guessing.
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Old 04-23-2014, 01:53 PM   #10
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Quote:
Originally Posted by cookiemo View Post
Hey,

So i now have a engine warning light since trying the new pipe.

My mates connected a fault code reader and im getting the following faults for the engine:

*P0107 - Powertrain - Manifold Absolute Pressure / Barometric Pressure Circuit Low Input
Low input would be a vacuum leak. Either that pipe/hose wasn't put on correctly or during the process another was disrupted and inadvertently unhooked.
Best to look over each hose and verify they are connected and not leaking.


Quote:
Originally Posted by cookiemo View Post
*P0113 - Powertrain - Intake Air Temperature Circuit High input
That one would indicate the temperature of the incoming air is too cold.
This sounds like a case where the sensor is simply disconnected. It will be a 2 wire connector and I think grey in color.
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