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Rich

Discussion in 'Civic and CRX - EW' started by pdqcrx, Oct 23, 2007.

  1. pdqcrx

    pdqcrx Member

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    Have a stock 1990 crx si that is eye burning rich. Its not codeing but is sooting the back bumper. Changed the o2 sensor so whats next. Mechanic said to look for vacum leaks???
     
  2. jlicrx

    jlicrx Senior Member

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    could be fuel pressure regulator
     
  3. eg6sir

    eg6sir Supa Mod Moderator VIP

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    yep.. if you're spitting a lot of black smoke your fuel pressure is probably too high.. does it bog out when you take off, then pick up after you get going
     
  4. pdqcrx

    pdqcrx Member

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    sounds like youv'e rode it.
     
  5. pdqcrx

    pdqcrx Member

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    Ok guys switched out the requlator but still the same junk. How do you tell if a injector is sticking. I would think one spark plug should be blacked out right??
     
  6. norcalgsr

    norcalgsr Honda Master Technician

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    Yeah most likely it would only be flooding that cylinder with gas... what do the plugs look like anyhow?
     
  7. awptickes

    awptickes unimpressed by you VIP

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    Sorry for the thread jack, but what could cause the "bog out when you take off, then pick up after you get going" ?
     
  8. pdqcrx

    pdqcrx Member

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    Plugs

    Pulled the plugs out and they looked fine. one was a little sooty but really not bad.(I still may swap them out.) Seems to be worse when cold how does the choke system work could a sensor be telling it to choke it some??
     
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