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Ask Jared D Your Own Question
Jared D
Jared D, ASE Certified Technician
Category: Lincoln
Satisfied Customers: 1594
Experience:  Shop Supervisor at County Fleet
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It wii not stay running we put a new throttlebody it did

Customer Question

it wii not stay running we put a new throttlebody it did help
JA: What is the model/year of your Lincoln?
Customer: 2005 Lincoln Navigator
JA: Are you fixing your Navigator yourself? What have you tried so far?
Customer: Put New Spark New Fuel Pump New Throttlebody
JA: Have you ever replaced the fuel pump, or is this the original?
Customer: New Fuel Pump
JA: Anything else you want the mechanic to know before I connect you?
Customer: It seems like it is choking down and start to mist
Submitted: 2 months ago.
Category: Lincoln
Expert:  Jared D replied 2 months ago.

Hi,

Do you have any trouble codes stored in the system?

Are you getting any unusual engine noise?

Expert:  Jared D replied 2 months ago.

Unless you have a ton of engine noise, the symptoms you describe sounds like a restricted exhaust system. You might try disconnecting the exhaust at the manifold and see if the engine will run. If it does, then you know the problem is a restriction in either the catalytic converters or the muffler.

Be aware, it will be very loud with the exhaust disconnected.

Expert:  Jared D replied 2 months ago.

Please let me know if you need additional info.