I changed all the vacuum lines, changed the ERG, and solenoid pump. The truck stumbles once i put the vacuum line on the ERG valve(runs smooth with out the vacum line on the EGR vavle). Can anyone suggest a system to look at?
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2001 Ford Escape Question: trouble started as a P0401 EGR Low Flow
Answer #1pushrod January 06, 2013, 20:04Master
Would help to know what engine you have.
Replynunman, January 07, 2013, 10:03Rookie
sorry its a 3.0 V6 2WD
Replypushrod, January 07, 2013, 10:16Master
Now, try switching vacuum hoses at EGR control solenoid. The black thing with two hoses and wires going to it.
Like next answer suggest wrong hoes to EGR.
Answer #2ziptie12 January 06, 2013, 23:33Master
If you're getting constant vacuum to egr at idle , maybe wrong vacuum line or control signal problem.