Question about Nissan Cars & Trucks
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Posted on Jan 02, 2017
Check and clean gas cap "O" ring, and threads and mating surface in filler neck as well, and re-install cap tightly. If that doesn't take care of it, you may have a vacuum leak to the MAF (Mass Air flow) sensor, or a faulty or dirty MAF sensor, which can be sprayed with some success to clean it with electrical spray cleaner or tuner spray cleaner from electronics store.
Posted on Oct 09, 2009
Testimonial: "Thank you that was very helpful"
Not sure that the O2 sensor was bad. It sounds like it was telling you that side of the exhaust system was picking up a lean mixure at the O2 sensor. The O2 sensor was doing its job by telling you the mixture changed. If the O2 sensor was bad, it would say low voltage range for that sensor, or open curcuit.
Now the car has had time to do its diagnostic sweep, it is telling you the same thing, but from a different sensor...the fuel mix is too lean. Air/spark/and fuel is what you need in the correct amounts. In your car, the ECM engine control module controls this by taking readings from all the sensors several hundred times a second.
Mechanically, you have a few options. Change the fuel filter...under the car on the passenger side. It is an easy job.
Change the fuel pressure regulator. This keeps the fuel at 4 BAR so the fuel injectors can do their job correctly. This job just needs a screw driver to pop off the clip that holds it in place. No hoses need to be removed. It is on top of the intake manifold, in-line with a metal fuel line and a rubber one.
The fuel injectors could be clogged up on one side of the engine. Run some fuel injector cleaner through a tank of gas. Also, listen for a constant ticking sound at each injector. If one sounds off PAR, then replace it.
The fuel pump may not be giving you enough power. However, the readings seem to be localized to one side, so I doubt it.
Start with the easiest thing, and see if it works. Also, you will need to get yourself a VAG scan tool. It is the only one with codes in it for all of your VW systems, not just engine codes like the ODB scanners. You can get a nice one for $50 on-line.
Posted on Feb 24, 2010
P0137 Error code Faulty O2 sensor Exhaust leak near the rear sensor
- replacement is needed for this issue.
P0342 Error code means Camshaft Position Sensor Circuit Low Input
P1792 Error code means P1792 means the computer isnt properly programmed so if this code keeps comming back the pcm may need to be replaced
Posted on Aug 13, 2010
The trouble code is related to a lean engine fuel trim problem. This particular code can be caused by a vacuum leak, low fuel pressure or faulty MAF or MAP. Check for vacuum leaks first, if you cant find any broken or cracked hoses, you might want to take it to a good shop and have live data read to determine if there is a component defective.
Posted on Nov 26, 2011
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