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Author
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Topic: Help on a Check Engine light
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icyelle
New Member
Member # 2720
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posted
 
 
I have a 1996 Ford Explorer XLT, 5.0L V8, ALL WHEEL DRIVe, 100,400 miles.
The "check engine" light recently came on. I bought an OBD II scanner to determine what is causing the problem and it gave me a P401 code. I consulted the Chilton service manual for the car and it said it has something to do with the exhaust emission. Help!
I live in the southbay - san jose and looking for a mechanic to check this problem out. I don't want some mechanic to rip me off since I am a female I have had experience with this. Please send information on a credible mechanic in the south bay that will be able to help me resolve this problem.
Thanks - I appreciate any help.
![[Confused]](confused.gif)
Posts: 1 | Registered: Apr 2003
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JoeT
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Member # 298
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posted
I'm guessing IAB needs to be cleaned or the EGR valve is sticking (needs to be cleaned as well) pretty typical 60k mileage items...
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Stimson
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Member # 51
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posted
Can you give us exactly what chilton's says the error is?
Posts: 2373 | Registered: Jun 2000
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TheBrain
I'm the Real
John Force
Member # 35
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posted
Code P0401...Exhaust Gas Recirculation (EGR)Insufficient Flow Detected
Need to disconnect the EGR solenoid and make sure it is getting at least 10" vacuum @ idle
Check the hoses from the solenoid to the valve for cracks, kinks, blockage, etc....
Apply vacuum to EGR valve @ idle and make sure the idle speed drops at least 100rpm
The list goes on and on
I am a mechanic but I am in the North Bay
Good Luck
Brian
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1989 LX vert 342
11.662 @ 116.65 1.57 60ft. N/A
10.227 @ 134.59 1.41 60ft 200 shot 3600lbs
2003 Ranger 4 door
15.99 @ 87
Posts: 1264 | From: Back in Redding CA | Registered: Jul 2000
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