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1996 Ford Escort Other - Fuel System
Question: hi, i`m experiencing poor idling, acceleration and extremely poor gas mileage.this escort has only 62, 000 on it, and has recently had the timing belt, water pump, o2 sensor, dpfe sensor, egr valve, and both evap related solenoid/sensors replaced, as well as a number of vacuum hoses.the car used to get roughly 400 miles to a tankful, now almost half of that and it idles at 1100-1200 rpms hot or cold whereas it only idled at about 1000 rpms when cold and would always idle at 500 rpms at operating temp.i only recently replaced the evap related parts due to a mil p0443 code which after replacing them and said vacuum hoses has cleared the codes.currently no mil on dash.could this be a possible throttle position sensor malfunction?i should also note that i also retieved codes p0401.and p0301 the latter being a ignition wire rubbing on the manifold which i`ve since addresed.all these codes appeared at the same time-don`t know if that has any bearing on all this, but prior to all this the car basically ran great!any thoughts or tips would be greatly appreciated.thanks, nathen.
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Technican: O.K., you have already replaced a number of parts and retrieved codes.You say the codes appeared at the same time.When you tried to resolve these issues, did you follow the flow chart for each code all the way through?You know the old saying that s**t rolls downhill.In this case, the stink may lie at the bottom of the chart.A TPS may fall into play for the idle, but from this side of the screen, my thoughts would be in the fuel induction and possibably a vaccum leak at the intake manifold.
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