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Get the suspension springs checked. Park the vehicle on a flat, level surface with no-one in it. Stand back and carefully look at the vehicle. Sometimes when a spring fails the vehicle will lean towards the broken side. The tail ends of the spring can break off when they are old and the broken bits don't always fall out when it happens.
The stall could be something separate. Do you have any warning lights on the dash? If the charcoal canister is starting to fail it often causes the check engine light to turn on as it will affect the emissions. This will trigger other engine sensors to flag up a trouble code.
hi, dear friend, this is an obd2 trouble code table. it can help you understand the meaning of code.
The best way to fix a P1456 error (small evap. leak) on your Nissan is to have a "smoke machine" test done on it. This machine is hooked up to your car and pushes smoke throught the evap. system. The smoke will shoot out of the leak and indicate its precise location. You can also try getting a new gas cap and make sure that it clicks 3 times when you close it after filling your tank. Also, NEVER leave your car running when your fueling up as this can cause your "service engine soon" light to come on. The best choice however is doing the smoke test as this will elimiate any guess as to the location of the leak. Nissan dealers can perform this smoke machine test for you for about $90.00 and can save you alot of money by pin-pointing the leak so you don't keep buying parts you don't need.
Try taking off your gas cap and installing it again. This can do the trick sometimes. If not you will have to go purchase a reader and see what code it comes up with.
this is common with heaters they dont last forever aslong as they are willing to show you the different codes at different times there problay being honest dont be suprised if they suggest replaceing all the o2 sensors at once its actually cheaper on diagnostics time and the all should be replaced for the vehicle to run 100 percent on a scan tool you can tell the difference between old and new o2 sensors by the way they react especialy the heaters i hope this helps Thunderboltz
P0321 Ignition/Distributor Engine Speed Input Circuit Range/Performance. P1456 Leak Detected In EVAP Control System. Sounds like a vaccuum leak somewhere. I would clear these codes out and see if they come back first. Then if they do I would check to see if you have a vacuum line loose or broken off. If they codes stay off it would be ok to keep driving the truck, but if they came back I would definately get it looked at.
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