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1993 Honda Civic Engine starts but when I gas up engine won

Tiny
CHIEKOTZ
  • MEMBER
  • 1993 HONDA CIVIC
  • 4 CYL
  • FWD
  • MANUAL
  • 150,000 MILES
Ok the title is kinda blurry so here it goes

My car starts fine, then I went to the gas station to gas up, obviously I need to turn the engine off, after filling it up, my car just cranks, I have to wait for 5 minutes before it starts again

aside from that I have very low idling, sometimes when I release the gas the RPM drops and kills the engine, this is worse when I turn on the AC

I have replaced my fuel pump, I have cleaned my servo. What else is wrong.
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Wednesday, June 23rd, 2010 AT 6:25 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi Chiekotz,

Symptoms indicates a possible fault with the PGM-FI main relay. The item is known to fail intermittently and would result in the fuel pump not working. Remove the relay and check for cracked solders and if any found, resolder them and retest.

As to the low idling, if the throttle body and IAC have been cleaned, check the idle speed adjustment.
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Monday, June 28th, 2010 AT 2:09 PM

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