Question about 2001 Honda Accord
My cars is ford fusion 2006 it has p0420 my question is wich catalic converter i have to change the first one or last one because my car has 2
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Posted on Jan 02, 2017
SOURCE: 2006 ford fusion ac problem
As a Ford dealer tech I found this was always caused by the AC compressor cycling switch, it shuts the compressor off when it reaches about 30 PSI, this prevents freeze up and saves fuel, when the system press rises again to about 42 PSI it turns the compressor back on and so on, change the switch, it is located in the low pressure line from the compressor, that is the one that gets cold.
Posted on Oct 06, 2008
I had a 2002 model 1.4 Fiesta, same problem Engine management light or
ECA, electronic accelaration Control (EAC), it needs a ford dealer to do
a computer diagnostic, most likely that it will need replaced.
Mt friend who is a mechanic for ford said that it was a common factory fault and is very common in 1.4 zetec /duratec petrol models.
I now have a 2007 Fusion and was quick to see if this problem had been sorted on this model, and it has!!
Hope this helps!!
Posted on Dec 16, 2008
First thing I'd try is some "heet" or similar additive in tank to remove moisture, then refill with gas from a busy station & drive it for a while and see what happens.
Posted on Jan 02, 2009
If the converter is failed (i.e. plugged) it can cause drive-ability problems (i.e. the engine can't get the exhaust out like it normally can). FYI, http://p0420.com
Fix the known P0420 code first, then if the rough idle, etc continues, continue diagnosing. IMHO, don't worry about the MAF, etc. until you fix the "known" problems.
Posted on Apr 15, 2009
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