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I have a 2003 Dakota with a 4.7 automatic with 180,000 I’ve had it for a few months and when she’s warm she likes to idle like a cm above 500rpm and sounds like it wants to bog out at a full stop and I was wondering if anyone had any ideas on an at home fix or if I need to take it to my mechanic.
 

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C'mon Dodge - NEW DAKOTA
2003 Dakota Club Cab Sport 4.7L
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381 Posts
Three things come to mind -- all easy to replace -- Throttle position sensor, Intake air temp sensor, and IAC (idle air control) motor.
 
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Do a fuel pressure test first.
Also:
Buy some cheap carb cleaner and once the engine warms and starts to bog spray the cleaner around the intake areas and vacuum lines.
If you hear the engine change sounds look for the vacuum leak.
Repair it and see if the problem corrects.
Did you check for trouble codes?
Check all of the simple things that cost you little or nothing and then and only then look further.
Diagnose first.
Just my 2 cents worth.
 

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Registered
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17 Posts
Do a fuel pressure test first.
Also:
Buy some cheap carb cleaner and once the engine warms and starts to bog spray the cleaner around the intake areas and vacuum lines.
If you hear the engine change sounds look for the vacuum leak.
Repair it and see if the problem corrects.
Did you check for trouble codes?
Check all of the simple things that cost you little or nothing and then and only then look further.
Diagnose first.
Just my 2 cents worth.
Also: How long has it been since the plugs and wires have been changed?
A slight misfire or carboned plug may not trip a code but could cause that condition.
Pull the plugs out and check their condition.
Good luck
 
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