2004 Isuzu Ascender Receiving Map Sensor Error Replaced New Sensor Fine About

2004 ISUZU ASCENDER
111,165 MILES
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I was receiving a MAP sensor error, replaced it with a new MAP sensor, was fine for about five days, then received bad MAP sensor code again along with P0014 code, exhaust (b) camshaft position timing over-advanced (bank 1)... I was told that it could be because my oil is old and needs to be changed (which the oil light does come on and then turns off after about 20 seconds), what do you recommend?
Dec 7, 2012 at 2:30 PM
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KHLOW2008
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A code does not necessarily mean a component is faulty. If you have a code P0014, it can affect the vacuum and cause an error of the MAP sensor reading.

Since oil is due for replacement, replace it and if engine is heavily sludged, clean the actuator solenouid valve and its passages.
Dec 7, 2012 at 3:38 PM
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