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Pathfinder misfiring

11 messages,  Last post on Aug 11, 2008 at 3:58 PM

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What is this discussion about? Nissan Pathfinder, Electrical, Engine, SUV

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#6 of 11 Re: 2001 Pathfinder misfiring [mark0831] by mellowcat Jan 17, 2007 (9:37 am)
Replying to: mark0831 (Jan 17, 2007 8:21 am) Mark,   Good luck with the dealer. Some are good, some not with Nissans. Maybe some day they will equal Toyota in this area!   I know what your saying about the mechanic, I have a good one thats not a dealer too. He was the one that made these comments to me! He basically said its wise to never use a non-dealer for electrical issues as they can't "try" parts without having to buy them like the dealer can. He also said diagnostics are tough without the factory tools.   If you keep having check engine issues buy the code reader, they only cost $75, less then the normal labor rate to re-set a check engine light. It's a very easy tool to use, and friends will really like you for being able to read and re-set their codes too!   Scott
#7 of 11 Re: 2001 Pathfinder misfiring [mark0831] by coloradopath Feb 14, 2007 (12:42 pm)
Replying to: mark0831 (Jan 15, 2007 1:49 pm) I am having the same problem with my 01' i Bought used and now has 89K miles on it. My mechanic at first was saying it was the coils but then contacted Nissan. Nissan said that it is probably a computer problem and needs to be replaced if it isn't the coils. So i will be taking it to the dealer since my mechanic suggested that is the best place to service the computer. Seems like this is a common problem with Nissan as they sent my mechanic a 3 page booklet on the problem. Did you find out what the dealer said??
#8 of 11 Re: 2001 Pathfinder misfiring [mark0831] by nissanman2001 Mar 01, 2007 (6:29 pm)
Replying to: mark0831 (Jan 15, 2007 1:49 pm) Welcome to the world of Pathfinder. I bought a used 2001 with 100,000 K in 2005 and shortly thereafter, I noticed a slight hitching but only occasionally. It was getting on my nerves so I eventually brought it to the dealer and the service manager and I went for a run to see if he could shed some light on this for me. He could feel what I was talking about but could offer no advice as there was no engine light on, therefore no code. He said to just keep driving it so I let it go.  About 2 months ago, I was getting some spark knocking and the hitching was still there, I had 158,000 K on it and it was due for a spark plug change anyway, so I brought it into my local mechanic to do the work. I picked up the vehicle with the hopes of the problems being solved, but, on the way home the 'service engine' light came on, spark knock was worse and the hitching was still there.  I took it back to the mechanic the next day and when he read the code, it was showing that the O-2 sensor was reading 'lean'. Then he decided that maybe the injectors were clogged so he did a cleaning and reset the computer, away I went and again, on the way home, the 'service light' came on again, no change !  I then made an appointment with the dealer with the hope that these guys would solve all of my problems. Their computer was reading the O-2 sensor lean, the mass airflow sensor was reading out of the required parameters and I had a bad coil. I went ahead and purchased an aftermarket air flow sensor, no good, so got another one, no good either. Finally, I got a used one for $200.00 out of a running vehicle and installed it myself. It seemed to run better and the 'service engine soon' went out but the spark knock and hitching was still there. Back I go to the dealer to have the coil replaced and a few other non related issues taken care of. To make a long story short, after almost $800.00, the spark knock and the hitching are still there !!  I brought the SUV to work this morning and it hitched and pinged at every hill and as I came up to the dealer, I couldn't drive by. I went in and took the service manager for a run and as I pointed out the hitching to him, he said he couldn't notice anything at all. Any help on this one would be appreciated !! Mike Replies to this message: budmantom (Jan 29, 2008 7:35 pm) coloradopath (Jan 30, 2008 7:43 am)
#9 of 11 Re: 2001 Pathfinder misfiring [nissanman2001] by budmantom Jan 29, 2008 (7:35 pm)
Replying to: nissanman2001 (Mar 01, 2007 6:29 pm) Did you ever get the "spark knock" problem fixed? Replies to this message: coloradopath (Jan 30, 2008 7:43 am)
#10 of 11 Re: 2001 Pathfinder misfiring [budmantom] by coloradopath Jan 30, 2008 (7:43 am)
Replying to: budmantom (Jan 29, 2008 7:35 pm) After the mechanic couldn't exactly figure it out however he was using my car as a guinea pig becuase he was working on an Infiniti SUV very similar to the pathfinder with the same problem. He didn't charge me for any work becuase i said it was okay to test out a few things. However it came down to a few things he said it most likely needed: either a new computer for the car or I had to get my entire car rewired. After that diagnosis, I decided to sell the thing and bought a subaru. I couldn't be happeir with my purchase and instead of the 14 MPG i was getting, i am up to 28 and saving money every month.
#11 of 11 pathfinder by bigalwil Aug 11, 2008 (3:58 pm)
i have a 1996 pathfinder, i am having a few problems going on with it. something is draining my battery. i think i know what it is, but i am not sure what to do about it or what it is.i took out the fl40a bat fuse, and it starts fine. but what is the fl40a bat fuse for.

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