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Ford Crown Victoria Though they were what most people drove in the 1950s and 1960s, full-size cars like the Ford Crown Victoria are now an anomaly. But Ford's biggest sedan still offers significant virtues, including affordable V8 performance and room for six people. Today, the Crown Victoria's passenger and cargo volumes compare favorably against fashionable SUVs.

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Old 08-20-2008, 07:10 AM   #1 (permalink)
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Default p71 check engine light

i have a 2002 p71 with the check engine light on, code reads p401

i just dont want to end up wasting money on parts i dont need. anyone had this issue before?

any help is apriciated
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Old 08-20-2008, 07:44 AM   #2 (permalink)
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p0401 is most likely the dpfe sensor,some models have an egr passage underneath the upper intake that carbons up and will need to be cleaned out.If you pull vacuum on the egr valve does the engine stumble?
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Old 08-21-2008, 08:23 AM   #3 (permalink)
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ill check and get back to you
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Old 09-06-2008, 11:39 AM   #4 (permalink)
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car stumbles and stalls now around corners and bumps inthe road. going to change the pressure sensor and erg valve

pull vacumed the erg valve and yes the car does stumble almost stalls

Last edited by goliath; 09-06-2008 at 12:15 PM.
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