tune-up

1993 FORD CROWN VICTORIA
150,000 MILES • 4.6L • V8 • AUTOMATIC
Avatar
JAYVAN TARVER
  • MEMBER
  • 1 POST
I replace the fuel filter, air filter, fuel pressure regulator, vehicle speed control switch, spark plugs and wires. It still has a misfire and I have an rumbling in transmission I also replaced the oil pressure sending switch. so what should I do?
Jul 26, 2017 at 9:45 PM
Advertisement
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes first and then check compression and check plug wires also check fuel pressure with a gauge auto parts rent it then get back to us. see pics and link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Jul 26, 2017 at 11:31 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.