rich and lean
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rich and lean
I have a 2000 Maxima 3.0 that is running lean on the back bank and rich on the front bank ( only at an Idle ) and this is what is strange ,only when the a/c is off. when you turn the ac on and the compressor kicks on the O2 sensors start toggling turn the a/c off the front o2 goes to rich and the rear goes lean what is going on ? any Ideas:
Thread Starter
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Junior Member
Joined: Aug 2012
Posts: 3
I have a 2000 Maxima 3.0 that is running lean on the back bank and rich on the front bank ( only at an Idle ) and this is what is strange ,only when the a/c is off. when you turn the ac on and the compressor kicks on the O2 sensors start toggling turn the a/c off the front o2 goes to rich and the rear goes lean what is going on ? any Ideas:
went and road tested up a mountain and found it was lacking in power
check fuel pressure and back pressure on exhaust both ok
now I am thinking the injectors are stopped up any thoughts?
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Junior Member
Joined: Aug 2012
Posts: 3
update on Nissan cleaned the injectors and the rich code for the front went away now there is 2 o2 sensor codes no switching
went and road tested up a mountain and found it was lacking in power
check fuel pressure and back pressure on exhaust both ok
now I am thinking the injectors are stopped up any thoughts?
went and road tested up a mountain and found it was lacking in power
check fuel pressure and back pressure on exhaust both ok
now I am thinking the injectors are stopped up any thoughts?
they seem to flow great and good pattern
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