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95' Legacy P0170 & P0120 Codes
Posted 23 October 2006 - 08:56 AM
The fuel consumption of this vehicle has been slowly decreasing over the past few weeks (from 26mpg down to around 20mpg now) the fuel guage has also gone a bit screwy (says its on E at 180 miles, light has not come on yet though)
Other than the fuel consumption droping and the CEL coming on there is no problems as of yet with the way the car is running.
Any advice on where I should start?
I've looked back at some searches for the codes I'm going to check for exhaust leaks today, but from there, I'm still a bit lost as to where to go from there as to which sensors to check/replace.
Posted 24 October 2006 - 11:24 AM
Regarding the fuel level/gauge. Either the sender or wiring is acting up, or your mileage is really bad.
Posted 26 October 2006 - 05:55 PM
I did check for leaks and didn't find any. In the past (6-8 months ago) I did get a code for O2 Sensor Bank one that came up, cleared it out, and it never has come back (thought that probably it was related to moisture somehow getting in the connection).
Any advice on where to go from here?
Posted 29 October 2006 - 02:45 PM
You could try running some seafoam through the fuel system.
Anybody else have any ideas?
Posted 29 October 2006 - 04:41 PM
In any case Fuel Trim Malfunction can be an exhaust leak, intake leak, fuel pressure......Anything where the fuel feedback system can NOT compensate for an incorrect air/fuel ratio.
Posted 29 October 2006 - 06:04 PM
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