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Car Forum / Nissan / Nissan Maxima / June 20041982 Maxima fuel problem
Car gets terrible mileage in town. After being run it smells of raw gas and starts hard. Can not see any evidence of a fuel leak. Any ideas as to what the problem might be? Rick Ruskin Lion Dog Music - Seattle WA http://liondogmusic.com hmmmm , here we go again gang. What could it be ?? A rich running condition ? What are the signs of an overly rich mixture condition besides poor gas mileage ? Remember this is an old 810 series maxima with the L24 engine (in line 6 cylinder) > Car gets terrible mileage in town. After being run it smells of raw > gas and starts hard. Can not see any evidence of a fuel leak. Any [quoted text clipped - 3 lines] > Lion Dog Music - Seattle WA > http://liondogmusic.com > hmmmm , here we go again gang. > [quoted text clipped - 15 lines] > > Lion Dog Music - Seattle WA > > http://liondogmusic.com > What could it be ?? > > A rich running condition ? > > What are the signs of an overly rich mixture condition besides poor gas > mileage ? Bad O2 sensor(s) Bad fuel injector(s) Overcooling engine (i.e., thermostat stuck open during cooler weather). > Remember this is an old 810 series maxima with the L24 engine (in line 6 > cylinder) [quoted text clipped - 6 lines] > > Lion Dog Music - Seattle WA > > http://liondogmusic.com Ryan '93 Maxima GXE > hmmmm , here we go again gang. > [quoted text clipped - 7 lines] > Remember this is an old 810 series maxima with the L24 engine (in line 6 > cylinder) I'm not familar with the L24 engine... but here goes: Signs of an overly rich mixture: 1) Carbon fouled spark plugs (electrode and tip) 2) Smell of raw fuel in the exhaust (possible black/grey smoke from exhaust?) 3) Possible long-term side effect includes a plugged catalytic converter Possible causes: 1) O2 sensors 2) Bad Engine Coolant Temperature Sensor 3) As already suggested - stuck open thermostat - car always running "cool"... 4) Leaky injectors Nirav wins , Good answers man.( you wouldn't be looking for a technicians job would you ? ;- )) ) Keep up the good work The answer to this cars running conditions lies within Nirav's post. He has their signs and their possible causes listed, one of them is the answer, it is now up to the owner to do a little diagnosis and figure out what may be causing it . > Car gets terrible mileage in town. After being run it smells of raw > gas and starts hard. Can not see any evidence of a fuel leak. Any [quoted text clipped - 3 lines] > Lion Dog Music - Seattle WA > http://liondogmusic.com NissTech, have you checked the Seattle weather forecast recently?? > Nirav wins , Good answers man.( you wouldn't be looking for a technicians > job would you ? ;- )) ) [quoted text clipped - 14 lines] > > Lion Dog Music - Seattle WA > > http://liondogmusic.com > Nirav wins , Good answers man.( you wouldn't be looking for a technicians > job would you ? ;- )) ) [quoted text clipped - 6 lines] > answer, it is now up to the owner to do a little diagnosis and figure out > what may be causing it . Actually the most likely problem is an air flow meter issue on one of those models.  SignatureSteve http://www.atlantaracing.com I think I would rather check out other things like a head temp sensor and the thermotime switch which costs about 40 bucks rather than going straight for the heart and condemning a 500 dollar part that may not be bad at all. > > Nirav wins , Good answers man.( you wouldn't be looking for a technicians > > job would you ? ;- )) ) [quoted text clipped - 9 lines] > Actually the most likely problem is an air flow meter issue on one of those > models. > I think I would rather check out other things like a head temp sensor and > the thermotime switch which costs about 40 bucks rather than going > straight for the heart and condemning a 500 dollar part that may not be > bad at all. Since those AF meters are easily adjustable, why replace it? BTW I've never seen a bad thermo time switch in 20 years of working on L28 engines and if the temp sensor on those models dies, it won't even start. 90% of the time it's something with the AF meter on those old inline sixes. SignatureSteve http://www.atlantaracing.com > Nirav wins , Good answers man.( you wouldn't be looking for a technicians > job would you ? ;- )) ) > > Keep up the good work Thanks for the compliment Nisstech ... any openings in the midwest? ;) Nirav don't know about the midwest but down south ( Florida, Georgia, Alabama) has a good concentration of Nissan/Infinity dealerships, and they are always looking for good young/or not so young technicians that can think about a customers concern and diagnose it properly > > Nirav wins , Good answers man.( you wouldn't be looking for a technicians > > job would you ? ;- )) ) [quoted text clipped - 4 lines] > > Nirav |
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