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Jan Andersson
Jan Andersson, ASE Master Tech
Category: Nissan
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Experience:  20 years of automotive repair & modification, USA, Asian, Euro, old & new cars.
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Dtc codes p0732,p0120,p0733,p0325 mean, and how can i fix them

Resolved Question:

what do the dtc codes p0732,p0120,p0733,p0325 mean, and how can i fix them
Submitted: 5 years ago.
Category: Nissan
Expert:  Jan Andersson replied 5 years ago.
<p>P0120 Throttle Position Sensor/Switch A Circuit Malfunction </p><p> </p><p>These can be measured to verify continuity and resistance values. You will need to know what values to look for, a good repair manual would have a test procedure listed. </p><p>I don't have access to one right now. </p><p> </p><p> </p><p> </p><p class="text-15-black">P0325 Knock Sensor 1 Circuit Malfunction<a target="_blank"> (Bank 1 or single sensor)</a> </p><p class="text-15-black"> </p><p class="text-15-black">Could be a failing sensor or poor wire contact. </p><p class="text-15-black"> </p><p class="text-15-black"> </p><p class="text-15-black"> </p><p class="text-15-black">P0732 Gear 2 Incorrect ratio </p><p class="text-15-black"> </p><p class="text-15-black">P0733 Gear 3 Incorrect ratio</p><p class="text-15-black"> </p><p class="text-15-black">These incorrect gear ratios may indicate excessive transmission slippage. A trans service or diagnosis could be in order, some trans shops diagnose them for free or for a very low price. Try AAMCO for example. </p><p class="text-15-black"> </p><p class="text-15-black"> </p><p class="text-15-black">First off, clear all codes and then test drive to see which ones come back. If a code doesn't come back, it was a fluke or a temporary glitch, and does not need attention, as the condition no longer exists. To erase codes, you could ask a local auto parts store to clear them for you. Some don't like to do that, but tell them it is to be able to see which codes come back, so you don't end up fixing something that isn't broken. </p><p class="text-15-black"> </p><p class="text-15-black">Alternatively, you can disconnect the battery cable for 10 minutes (key OFF) and the codes should usually reset. </p><p class="text-15-black"> </p><p class="text-15-black"> </p><p class="text-15-black">Check teh engine ground strat connections. Poor main ground may in some cases throw sensor signals off. </p>
Jan Andersson, ASE Master Tech
Category: Nissan
Satisfied Customers: 815
Experience: 20 years of automotive repair & modification, USA, Asian, Euro, old & new cars.
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Jan Andersson
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