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1999 Mitsubishi Mirage Engine loses power, stalls

Tiny
ERIC LAHNA
  • MEMBER
  • 1999 MITSUBISHI MIRAGE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 180,000 MILES
Car started fine, idled fine, hesitated for a few seconds when put in gear then would drive OK for 10 minutes and stall. Would restart after cooling for 5 minutes. Replaced: plugs, wires, distributor cap/rotor, distributor/coil (used), fuel pump, and fuel injectors. No change at all. Sprayed butterfly at throttle body with carb. Cleaner, now it idles worse and I can see (and smell) unburned fuel running into the exhaust manifold. I checked the plugs and wires, all of the wires tested OK, the plugs were installed correctly and all four continued to foul. Any ideas?
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Sunday, February 28th, 2010 AT 11:12 AM

2 Replies

Tiny
STEVE19791
  • MEMBER
  • 4 POSTS
Check your fuel pressure regulator. Pull vac line off after has been running check for any signs of wetness and smell of fuel the more obvious sign. Then test with a hand vacuum pump be careful not pump to much could damage diaphram 5 lbs should due see if it holds. It could be pulling gas through vac line into intake. If that don't solve then probably have a leaking injector or clogged return fuel line to the tank. Hope this helps
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Friday, September 27th, 2013 AT 7:18 PM
Tiny
STEVE19791
  • MEMBER
  • 4 POSTS
Sometimes new injectors leak as well. One other possible is a shorted purge flow solenoid or something biting computer causing erratic pulse width to the injectors. Hope this helps to solve your issues.
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Friday, September 27th, 2013 AT 7:24 PM

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