Re: Fiesta 1.4 02 P0420 Catalyst System Efficiency Below Threshold
was just about to say ,excellent post ,more scope waveforms on this site would be great. Your knowledge on this matter is probably greater than mine ,but my tuppence worth is that could just the knackered cat make it keep droping out maybe. GEORGE  ,ps must learn myself how to post waveforms,did you use photobucket or similar
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 Ford Fiesta 1.4 2002 - P0420 Catalyst System Efficiency Below Threshold # - Dave Hill March 26, 2007, 11:15 pm
- Re: Fiesta 1.4 02 P0420 Catalyst System Efficiency Below Threshold - george brockis March 28, 2007, 8:58 pm
- Re: Fiesta 1.4 02 P0420 Catalyst System Efficiency Below Threshold - Dave F March 29, 2007, 8:15 am
- Re: Fiesta 1.4 02 P0420 Catalyst System Efficiency Below Threshold - Peter Warman March 29, 2007, 9:35 am
- Re: Fiesta 1.4 02 P0420 Catalyst System Efficiency Below Threshold - Phil Dunmore March 29, 2007, 8:59 pm
- Pre & Post cat sensors at various engine speeds (Animated) - Dave Hill May 28, 2007, 5:22 pm
- Re: Ford Fiesta 1.4 2002 - P0420 Catalyst System Efficiency Below Threshold # - Dick Saunders March 18, 2009, 8:56 am
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on March 28, 2007, 8:58 pm, in reply to "Fiesta 1.4 02 P0420 Catalyst System Efficiency Below Threshold"