Question about 1994 Honda Passport

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Vibrating/Shaking when accelerating or being put in reverse

It's me again, last weekend I finally got my leak fixed on my 94 Honda Passport, the final replacement items were: replace intake gasket set, uper plenum gasket, lower manifold gasket and by pass pipe o-ring. the problem I'm having now is that when I accelerate or put my car in reverse, it tends to vibrate or sput when I drive. I've taken it back twice and advise the problem. First the mechanic thought it was the spark plugs, replaced them, still the issue remained. Then I advised them it was the same issue, took it back, I was advised it was a pinched wire, those were replaced as well. I'm still having the issue..Please tell me what the problem is? I'm in process of writing a letter. Is this a vacuum hose or something?????

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  • nat2crazy4u May 22, 2009

    I've had my timing belt replaced already, and that was checked when my water pumped and hoses were replaced and I was advised, they were good, but where would I get this scan done?

  • nat2crazy4u May 22, 2009

    Ok, thank you. so my issue then may not be due to the last services done then? The reason why I'm asking is because I didn't have the problem with my truck running rough or vibrating like this until the gasket repair work and the other items I mention were completed.

  • nat2crazy4u May 22, 2009

    Thank you for your help.

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  • Master
  • 6,784 Answers

You may have some timing issue with the ignition or valves. i would have the timing chain/belt checked for ware. i also recommend running a scan on the ecm for stored codes that may be saved or locked for some reason. check the crank sensor housing for lose wires as well.

Posted on May 22, 2009

  • 2 more comments 
  • Michael Masters
    Michael Masters May 22, 2009

    you can take this vehicle to auto zone and they can do it for free or, you can take it to the dealership as well.

  • Michael Masters
    Michael Masters May 22, 2009

    I see. if the firing order is backwards, this can cause this as well. make sure the mechanic got the firing order correct when they changed the wires and plugs. make sure the plugs are gapped properly as well. its possible that it could be related but, highly unlikely.

  • Michael Masters
    Michael Masters May 22, 2009

    There could have been some issues with the intake gasket replacement as well. it could be over torqued. this will cause a leak or damage. check that out as well.

  • Michael Masters
    Michael Masters May 22, 2009

    no problem, glad to help.

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