20 Most Recent 1999 Nissan Pathfinder Questions & Answers


Sorry but you can't rely on fault codes or fault code readers.

If you have a problem it is best practice to initially forget the electronics and begin with the basics - visual and physical checks as if there was no electronics. Verify the presence of fuel and good delivery and the presence of a good spark, etc. etc.

Your car may be old but it is young enough to be fitted with an immobiliser. Immobilisers can be unreliable...

If you get a fault code it is a clue and nothing more. Don't spend money until the sensor, distributor or whatever has been checked and found to be faulty using meters, scanners, live data, oscilloscope...

When you get a fault code, erase it and try again. If at any time test results are inconsistent then remember when a code says a sensor is faulty it often means the sensor and/or the circuit, which could mean wiring, connectors or even the ECU. An ECU is quite capable of telling lies, they aren't bullet-proof and can sustain damage in all sorts of ways but continue to work satisfactorily for a further year or more and then suddenly for no apparent reason begin causing trouble.

No way should you need to replace every sensor or need 3 distributors. It is hard, tedious work checking an entire management system circuit for continuity and the cleanliness of every single connection but if the results of testing are inconsistent the ECU must be suspected and due to the expense, the groundwork must be done before replacement can be justified.

1999 Nissan... | Answered on Jun 04, 2017


most likely the TR sensor that tells the TCM when to change ratios
it also could be a problem VSS that also tells the TCM when it is right to change ratios
run the fault codes

1999 Nissan... | Answered on May 25, 2017


Check transmission fluid after driving for a while, this could be down a bit. If 4 wheel drive, make sure it's in 2H.

1999 Nissan... | Answered on Apr 12, 2017


no it would not be the fuel pump relay . look into the cooling system and if the oil pressure is correct . sounds like you might have a weak starter or solenoid

1999 Nissan... | Answered on Aug 28, 2016


Check it wireing to open dickky. I think any cut on wire you found. Other check fuse off wiper in fuse box care fully.

1999 Nissan... | Answered on Jun 18, 2016


i have got 2.7 turbo thats lost power ive changed fuel filter but when you put your foot down it blowing heaps of smoke ??

1999 Nissan... | Answered on May 02, 2016


It is very possible you can call your local Nissan dealer give them your VIN number and they can make you a new key. When you go to pick it up make sure you have proof of ownership of the car and your driver license I'm sure they will ask for it

1999 Nissan... | Answered on Apr 17, 2016


You can't disable or bypass it. You'll have to go to a dealer and get a new key cut and new FOB.

1999 Nissan... | Answered on Sep 05, 2015


Tighten whatever is diagnosed to be the cause of the okay, bearings, tie rod joints, steering box, etc etc....
tell us what you did to solve e problem, it may help someone else in the future, thanks.

1999 Nissan... | Answered on Jul 30, 2015

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