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Rough running between around 2050- 2500 rpm??

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  • Rough running between around 2050- 2500 rpm??

    My probie seems to have like a burble or whatever between 2050-2500. Almost like when you let off the gas and you have an exhaust you can hear it burble...same sound. I had a mechanic test drive it a few months ago and he said that I am running rich right in that spot and he feels that its caused by my exhaust. He said that I need an intake to lean out the fuel a little and perhaps a chip to alter the fuel and timing and it should fix the problem. Has anyone ever heard of this before? I don't know if he was full of shit or not. Thanks for the help.

    '93 RX-7 Touring -Vintage RedSOLD
    '95 Probe GT [/url] - Lazuli Blue Pearl

  • #2


    A good mechanic would have put the car on a scope and pinpointed the fuel problem with ease...Not test drive it....

    Try getting your injectors cleaned...This may also be a problem with the ignition system....


    Rick_96PGT #62
    "I never apologize.
    I'm sorry, but that's just the way I am."
    - Homer J. Simpson

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    • #3
      That same mechanic installed new plug wires, new plugs, new cap and rotor, and adjusted the timing. So I doubt it is the ignition...what else could go wrong with it? One of my O2's is out, but this problem existed before the bad O2 sensor. /me shrugs.

      '93 RX-7 Touring -Vintage RedSOLD
      '95 Probe GT [/url] - Lazuli Blue Pearl

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      • #4
        that's definitely bull!!

        take it to another mechanic to see if what he did to your car is what is causing the problems.

        good luck.
        Once upon a time i had a 1995 PROBE AKA MAGIC JOHNSON • Grand Touring • MTX • White/Tan leather • Rockford Fosgate Sub • Rockford Fosgate 300S Amp • JBL GTO 620 • Clarion ProAudio • Magnum Extreme • NGK • Redline MT-90 • Mobil1 • Potenza RE950 • Eibach Pro Kit • FSTB • Vibrant Performance Muffler • Twin SS Riceboy Tips • 2.5" Piping • Brembo X-drilled • Red Calipers •

        http://www.probedb.co.uk/display.php?clubid=&id=54

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