Hesitating, randomly

1998 NISSAN LUCINO
170,000 MILES
Avatar
JMWOODFAE
  • MEMBER
  • 1 POST
Car has been hesitating on and off for about six months now with no engine light coming on. Have had fuel filter replaced, air flow meter in throttle body replaced, 02 sensor replaced, spark plugs replaced, serviced, diagnosed by Nissan with no results. Please help.
Feb 1, 2019 at 2:56 AM
Advertisement
Avatar
STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,436 POSTS
Hello,

This sounds like an intermittent PCM failure or the catalytic converter is coming apart sometimes clogging the exhaust system. Here is a guide to help check the catalytic converter:

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

This guide can help as well:

https://www.2carpros.com/articles/engine-hesitates

Please run down these guides and report back.
Feb 2, 2019 at 2:35 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.