Focus Fanatics - View Single Post - Exhaust/emissions problem or fuel pump/filter?
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Old 01-07-2013, 09:11 PM   #2
DTC P0606
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Join Date: Jul 2007
Fan#: 48751
Location: Vancouver, BC, Canada
What I Drive: 2001 Red ZX3 Turbo

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Other easy things to check: coil pack electrical connector (look for exposed copper, green copper corrosion or loose wires), the coil pack itself (look for cracks on the underside).
Your problem sounds electrical, not fuel related, to me. Under load, seems like your ignition system is crapping out.
DPFE sensors problems usually give "hunting" or surging symptoms during part throttle cruise.
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