Question about 2002 Nissan Maxima

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Runs but no power....catalytic converter???

2002 nissan maxima runs but has no power at all, whats up?

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  • Brandon

    Wow, could be quite a bit of things. Lets start with the free and easy. Getting good spark? Check the plugs to see fi they are getting spark, you can get a tester or I think certain auto parts stores will check or rent you the tool. They just slap on over the wire. If you got spark are you getting gas? Fuel injection makes it difficult to check, but if you havne't in a while change the fuel filter, a clogged fel filter will make you run weak. Next would be timing, if if idles fine and drivs smooth (just weak) then itsn't too far off. Then the exhaust a plugged cat will do, your engine will seem like your pulling a house or something behind you. To check the cat (the redneck way) you drill a hole in it, see if it runs better. Also if runs fine it will be hard to check vacuum leaks. What you generally do is take a can of carb cleaner and spray along the lines and if it runs better when you spray over a spot you have an air leak there. And finally if you have a check engine light most auto parts tores will get the codes for you, that may help 100 times more than me, and save you a lot of effort.



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  • 78 Answers

Have your mass air flow checked out it might be faulty cause thats what mixes your fuel and your air mixture right.keep me posted Goodluck

Posted on Jun 03, 2009


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1 Answer

2005 nissa maxima dosent have much power while driving its on pedal goes down then it jumps and car power kicks in

It may "jump and go" but it's because the transmission downshifted and you get the sensation of more power.
First step? Need history: mileage, last tune up, is the check engine light on, etc. I'd suspect a partially plugged catalytic converter but without more info we're running blind.

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2006 maxima se starts@idle ok but not much power 20 mpg

you may have a restricted catalytic converter plugging up exhaust flow and bogging down the engine. on the vq35 engine there are 2 precats located right under the exhaust manifold and it is then plumbed down the downpipe and into the main catalytic converter. i would remove the downpipe and inspect the the condition of the catalyst.

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Engine light is on, on a1998 nissan maxima

go to local Autozone or similiar parts seller... they will check it for free and give you a printout of what's needed...
probably just an O2 sensor on the 98 nissan, but I would replace catalytic converter if near 200k miles for GP.

Mar 17, 2013 | 1998 Nissan Maxima

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I change gas and air filter on a 1993 nissan maxima and its running and spuddering

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Bank 1 code 2 o2 sensor which sensor is it rt or lf rear?

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Feb 16, 2011 | 2002 Nissan Maxima

1 Answer

New Engine and 2 Catalytic Converters Needed for 04 Maxima?

somebody thrashed the life out of it before you got it ,or didnt check the oil in the running in period

Nov 13, 2009 | 2000 Nissan Maxima

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Location of a o2 sensor 2001 nissan maxima

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Jan 04, 2009 | 2001 Nissan Maxima

2 Answers

Check engine,2000 Nissan Maxima

yes there is two catalytic converters ???
one for any exhaust pipe bank (left & right) (bank 1 & bank 2 )
if you change the bank 1 ?? may be you need to change the bank 2 today?????
but not to change the same bank two time ???????

ask for more information

Jul 07, 2008 | 2000 Nissan Maxima

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