1991 Mitsubishi Eclipse Possitive battery cable grounded ag

1991 MITSUBISHI ECLIPSE
Avatar
DRMNISSAN
  • MEMBER
  • 1 POST
Engine Performance problem
1991 Mitsubishi Eclipse 4 cyl Front Wheel Drive Manual

Hasnt run right sense checked pcm took it apart didnt see any burned spots checked ignition coil checked ok checked fuel injectors checked ok.When its cold especially give it gas and bogs down let off throttle seems to pick up for a minute.Checked spark plugs inline light firing and compression is 180 psi all for 4cylinders.checked all visible wiring and some under dash dont see any melted areas.checked fuel pressure but couldnt run gauge inline no hook ups would fit but was about 56psi. Would be greatful for any electrical idea.
Mar 29, 2009 at 6:12 PM
Advertisement
Avatar
RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
That fuel pressure is too high it should be at idle 38psi and without vacuum at 47-50psi. Recheck the fuel pressure.
Mar 29, 2009 at 6:21 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.