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We have a 2006 Nissan Pathfinder LE V6 4x4. While driving for first 20 minutes or so there is a jerking around 50 - 60mph only during acceleration. If you let off gas it stops, if you speed up it stops & after driving for some time it goes away. There are no warning lights & no codes. The vehicle idles perfectly, runs & drives perfectly with exception to this jerking issue. Any assistance would be greatly appreciated.

Iput a new trans valve body in and had nissan install the software it was fine for a couple of weeks now im getting a p0776 code. Pressure control solenoid B preformance stuck off.does that mean that this valve body is defective. Also when i received valve body it came with a beveled rubber washer and a small o ring i could not find a location for o ring so did not install could that be my problem?

I have a 2011 Nissan versa S hatchback 4cyl 1.8l and it's throwing code P0507. I took it to a mechanic in which they inspected and crossed out that it's not an air leak. They replaced my throttle body and I replaced the PCV valve based off of their recommendation. When I changed the PCV valve with an after market part the check engine light went off until the end of the day when I parked my car on a hill in an incline the light came right back on. I purchased a Nissan PCV valve to replace the after market one because I figured the car was rejecting the after market part and that it wasnt compatible for my Versa's performance. I switched out the valve, relearned the system and boom light off, RPM's normal again, and smooth cruising until I got home and parked on a hill in an incline again. I'm stumped. I've changed out my air filters a month ago. I don't know what else could be causing this code to keep reappearing.

Could you please tell me what Code P0057 (Heated Oxygen Sensor Heater Control Circuit Low Bank 2 Sensor 2) means? Also Code P0430 (Catalyst System Efficiency Below Threshold Bank2)?

I've been having an issue with my 04 NISSAN MURANO-- started last summer, if idling in park with the AC on -only on a hot day-above 90-...after about 10 min. the engine would sputter and stall(no CEL) if I shut the AC off before the engine stalls it would recover and not stall. STFT are high around 15 LTFT are around 5 city gas mileage went down to 8mpg highway gas mileage is the same as always around 20mpg local shops could not find any vacuum leaks MAF has been replaced- with no changes Now that the weather is cooler the car runs great unless the outside temp is 50 or above- then the same stalling and low idle happens-- once in a while tthe CEL will say CYL 2 misfire but shuts off after about 10 miles

If i were to bring you the car today- you wouldnt find anything wrong- runs great- no CEL, passed all tests