overkill131313
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- Mar 12, 2010
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I have got a few questions.......I have a code 20.....I also blew a fuse on the starter relay (the forward 10 amp)......and key switch will turn fuel pump on but it acts up all the time when I go to start it.......not even a click......well now it is no longer blowing fuses but it has a code 20 that will not go out.......so I bought a pressure sensor and replaced it....no luck on code 20 going out....so I changed it with the other pressure sensor......still have code 20.........so I went and check every ground block for burning or coroision......found 5 of them and they are perfect with zero isues.....
then I was wondering if you have to erase codes.....so I looked up how to.......
in the diagnosing part of the gauge
I found the 02 is atmospheric pressure......it read 97
and 03 is intake air pressure which reads 8
so I unpluded the intake pressure switch and pluged in the new sensor.......still only 8.......I'm reading that code 20 is because these number differ greatly....97 to 8 is big!
so I started looking at wiring since it must be after the sensor it self.....wiring harness has been spliced to put a pure logic fuel box on! is this box my problem.....I have heard not to many good things about this box any way of doing more tests? HELP!
then I was wondering if you have to erase codes.....so I looked up how to.......
in the diagnosing part of the gauge
I found the 02 is atmospheric pressure......it read 97
and 03 is intake air pressure which reads 8
so I unpluded the intake pressure switch and pluged in the new sensor.......still only 8.......I'm reading that code 20 is because these number differ greatly....97 to 8 is big!
so I started looking at wiring since it must be after the sensor it self.....wiring harness has been spliced to put a pure logic fuel box on! is this box my problem.....I have heard not to many good things about this box any way of doing more tests? HELP!
