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    mustang 5.0 slight knocking

    i just got a 1988 notchback a month ago and when i first got it there was a slight knock seemed to be comeing from bottom of both heads! the guy that sold it to me beat the **** out of it before he sold it to me the next day the knock was gone and stayed gone until i rev the engine up to 5500...
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    loud cam, idle surge runs really rich help please!!!

    i finaly got to pulling the check engine codes and i come up with 23, 31, 67, 81, 85, now my quiestion is where should i start and could any of these codes cause my idle surge problem?
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    loud cam, idle surge runs really rich help please!!!

    i finaly got to pulling the check engine codes and i come up with 23, 31, 67, 81, 85, now my quiestion is where should i start and could any of these codes cause my idle surge problem?
  4. N

    loud cam, idle surge runs really rich help please!!!

    yes it has a m.a.f ! i am going to check the codes tomorrow and will let you know!
  5. N

    loud cam, idle surge runs really rich help please!!!

    i just got a 1988 notch back! this is what the guy that sold it to me said! midly built 302 erson cam 512 lift, ported e7 heads, dual valve springs. electric fan. tubular k member with tubular a arms, coilovers on the front with 90/10 drag struts. the rear end is fully built and has the axel...