Recent content by Vitaliy

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    Temporary low RPM on stop.

    I have problem with idle every time I stop. Everything is fine while driving but when fully stopped on traffic light the RPMs goes to ~500, keeps it for about 5sec. then slowly goes to 760 RPM. It happens ONLY when stop after driving and right after engine start. It does not happen on cold...
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    RPMs problem

    Thats a great theory but I'm still waiting for recomendation what to do next. Can it be problem with VTCS? ( The valv is fine). Timing belt?
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    RPMs problem

    Replaced pre-cat O2 sensor. Nothing changed. Any ideas?
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    RPMs problem

    MAF sensor is clean. No vac leak. Some times all problems just disappeare. Like some sensor or actuator start to work properly. MAF reading shows 2.3g/s on "P" idle. When fan runs 3.6g/s.
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    RPMs problem

    Post cat
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    RPMs problem

    None.
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    RPMs problem

    I put extention on post cat, cleaned EGR and IAC valves. Nothing changed with RPMs problem. And engine is defenatelly not as powerfull as before. What to check next? Can it be something with pre-cat O2 sensor or flow meter? I can post some OBD graphs.
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    RPMs problem

    Is it possible I have idle RPM problem due to dead catalytic convertor.
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    RPMs problem

    So practically need extention to put O2 sensor out from the cat chamber? Do you know part # of the non-fouler?
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    RPMs problem

    Could you explain it with more words? Does it related to idle RPM problem?
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    RPMs problem

    P0421 I have about 3 years from the time I had problem with ignition coil and don't want to spend money for catalitic convertor. Idle RPM problem I have about 4 months.
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    RPMs problem

    Hi. I'm facing the following problems. Very long delay when switch from R to D 5-10sec. When stop on trffic light on D holding brake the RPMs drops to ~500 and engine vibrates. After 5-10sec RPM raises to ~850 and works normal. If during the driving switch to N RPM goes low holds it until switch...
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    RPMs problem

    Any help?
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    RPMs problem

    May I have more detales about this testing? With pictures if possible. RPMs problem I had befor 0455 appeared. P0431 a have about 3 years. RPMs problem ~10month and P0455 ~ 1 month. Found the canister drain cut valve stacked open. Fixed. Cleaned IAC. Still have problem with idle RPM. Any idea...
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    RPMs problem

    Hi. I'm facing the following problems. Very long delay when switch from R to D 5-10sec. When stop on trffic light on D holding brake the RPMs drops to ~500 and engine vibrates. After 5-10sec RPM raises to ~850 and works normal. If during the driving switch to N RPM goes low holds it until switch...
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