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1995 Honda Prelude Running RICH!

Tiny
TRENT94
  • MEMBER
  • 1995 HONDA PRELUDE
  • 4 CYL
  • FWD
  • MANUAL
  • 15,000 MILES
I swapped my 1995 prelude with a jdm h22a with 30,000 miles on it. The fuel pump wont turn on, which I think is main relay, but when was running it was extremely rich! It would barely idle it was so rich! It has a h23 ecu and wiring harness on it, but I need this thing running asap! Its an obd-1 car and so is motor! Please help!
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Saturday, July 18th, 2009 AT 5:55 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Running too rich:

Possible causes include a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode
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Saturday, July 18th, 2009 AT 5:56 AM

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