1994 Ford Probe excessive nox

Tiny
MJBLLB2448
  • MEMBER
  • 1994 FORD PROBE
1994 Ford Probe 4 cyl Front Wheel Drive 213000 miles

failed emmissions twice for excess nox and elevated hc, replaced plugs, flushed with injector cleaner in tank and in intake and added guaranteed to passin tank any suggestions, runs resl good no miss idles low once in a while but never dies. No codes on or check engine lite so egr system should be ok cleaned pcv
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Wednesday, January 2nd, 2008 AT 11:41 AM

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Tiny
RASMATAZ
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Check the exhaust gas recirculation system.
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Wednesday, January 2nd, 2008 AT 11:48 AM

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