Question about 2005 Isuzu Ascender
My check engine light goes on and off. When I bring the car to a mechanic, the computer under the dash will not give a readout. A few have suggested I need a new computer. I am thinking it could be a fuse, where would that be located? I want to get it fixed as the car is running rough and loses power going up hill. Once I accelerate to 60+ mph the car runs smooth. It is also using more gas. I suspect the o2 sensors but I want to be sure.
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Posted on Jan 02, 2017
Tune it up and replace the 02 sensor that keeps setting the codes bank 2 sensor 1. Have your oil and filter changed right before you go for a retest to. That will clear up 3 codes P0300, 0155 and 0154. You might have to replace the fuel sending unit to get rid of P0463 but if the gauge works OK I'd leave it alone.
Posted on Jan 12, 2009
the float in your gas tank seems to have water in it....water is heavier than gas, that's why gas floats on top of water....try putting something like HEAT in it to dry up the water in your tank....
Posted on Feb 03, 2009
The upper intake gaskets may be leaking. They are made of plastic and metal and will leak air. Do not remove the cover on very top of manifold when changing.
Posted on Jul 24, 2009
make sure you are using the right firing order and all the plugs are good i head this problem could just need to adjust the timing just a bit
Posted on Nov 02, 2010
Tips for a great answer:
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Replace the AIR pump AND one-way check valve
Test and clean the AIR pump AND test and replace the one-way air check valve
Replace the AIR pump inlet hose
Replace the AIR pump fuse (found under the hood)
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