Questions & Answers
Have a 91 nissan maxima, replace injectors all 6,
-Have you connect all electrical lines to all injectors...?
-If yes. all are connected then do the following test:
-Disable the fuel pump by removing the fuel pump fuse.
-Disconnect all electrical line from the injectors.
-Use noid light tester to connect to each line then crank about 2-3
seconds to see any light. Do one after the others to all 6.
-If all lines have light then now remove all spark plug, leave it open then crank the engine for 6-7 time to clear all gas inside.
-install plug back into. connect all injector line.
Now start. You should be good to go.
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How to remove the engine in a 1991 nissian maxima 3.0
major mechanical job, best advice i can give is get a good workshop manual for your vehicle as this will explain step by step . It would take me ,and others , hours to type the info you need here, you will also need some specialist tools , engine hoist etc, good luck and keep me posted if you wish
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My 91 Nissan Maxima when idling in park or nuetral revs up and down
Check for any air leaks between the mass airflow meter and the engine like the rubber being split on the air intake boots etc.. I once had a toyota that would do the same thing and the fix for that was to flush the coolant passages in the throttle body, worth a try. Also you said you replaced the TPS. If the TPS has slotted holes you must set the minimum TPS volts or that can also cause idling issues. Clean the throttle body as well.
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1991 Nissan maxima hesitates
Best guess is O2 sensor is reading too much unburned fue in the exhaust for some reason and leaning out the fuel flow to compensate. Runs when you throw more throttle at it but leans out as you try to hold steady speed. Should throw a code though.
248 views | 0 helpful votes
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