» » »

Nissan Q&A

Ask Your Question

1995 Nissan Pickup (D21) Question: 97 nissan pu 2.4, runs rough,no pwr on accel, has new dist.,& all tu related

 

Question

eoclville, 2.4L 4 Cylinder, Lawrenceville, GA, November 18, 2011, 12:45
 Rookie

items, keeps setting diff. misfire code p0301-p0304, new cat. put on... with cat off, still falls flat on accel and idles rough...sometimes @ high rpms runs smooth.....plz help

thanks in advance...

2 Answers
Flag This
  • Answer #1

    November 18, 2011, 16:53
    Profile_thumbnail
     Master

    Check fuel pressure and volume and for vacuum leaks. Check egr.

    Flag This
  • Reply

    eoclville, November 19, 2011, 09:29
     Rookie

    all fp is good koeo and koer, injectors all have pulse, no vacuum leaks and all hoses replaced for good measure.

    Reply
    Flag This
  • Answer #2

    Anthony2998 from Tires & More Complete Car Care, November 19, 2011, 05:39
     Technician

    Possible Intake Gasket leak, also check vacuum lines for leaks. Smoke test would be best for this situation, check with your local Technician.

    Flag This
  • Reply

    eoclville, November 19, 2011, 09:30
     Rookie

    all fp is good koeo and koer, injectors all have pulse, no vacuum leaks and all hoses replaced for good measure.
    tried that. thinking ecm or ign. sw.

    Reply
    Flag This