1991 Honda Civic Fuel-System Suspected

Tiny
CRAIGENSTEIN
  • MEMBER
  • 1991 HONDA CIVIC
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 194,000 MILES
I received a '91 Honda Civic DX Hatchback. It has been sitting for several years, and does not run. Everything "looks" great. No grease/grime/leaks/dents/rust/etc. Almost like "new", but the odometer reads 194,000. So NOT "new". The former owner's father told me that it "quit" on his daughter, and she took it to a mechanic. The mechanic stated he thought it was the timing belt (loose, broken, jumped, etc). Upon my inspection, the timing marks on the crankshaft pulley as well as the camshaft pulley, all line up perfectly with TDC (checked with a probe in #1 cyl and indeed it was @ TDC). Also, I checked the spark, and it was very strong (just checked with the #1 plug though). So, I think I can rule out "timing" (unless you experts tell me otherwise). Next step would be "fuel". I need some advice for how to troubleshoot the fuel system. Fuel pump, pressure regulator, injectors, etc.

Thanks in advance.

Craig
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Friday, March 26th, 2010 AT 4:21 PM

5 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
I have some info on checking fuel pressure, does it try to turn over?
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Friday, March 26th, 2010 AT 7:27 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm
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Friday, March 26th, 2010 AT 7:28 PM
Tiny
LEGITIMATE007
  • MECHANIC
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https://www.2carpros.com/how_to/how_to_test_an_ignition_system.htm
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Friday, March 26th, 2010 AT 7:29 PM
Tiny
CRAIGENSTEIN
  • MEMBER
  • 2 POSTS
Yes. Between the time I made my post (when I stated it did not run) and your reply, I managed to get it running. It runs well at over 1500 RPMs, however it idles roughly. I suspect the "Idle Control Valve" (I understand that this part frequently goes bad on these older Hondas )? I also plan on replacing the fuel filter (as the vehicle sat for over 5 years outside). Any other suggestions for determining the rough idle problem?

Thanks for ALL of your replies. You are VERY helpful !

Regards,

Craig
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Saturday, March 27th, 2010 AT 11:15 AM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
The egr valve will cause this problem too
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Saturday, March 27th, 2010 AT 11:20 AM

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