Question about 1995 Toyota Hi-Ace

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Toyota engine 1rz

Engine vibrates and many times goes off when idling or slow speed (gear 1)

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  • Alan Delorie
    Alan Delorie Apr 19, 2014

    if fuel is not contaminated, check throttle sensor and throthle

  • Alan Delorie
    Alan Delorie Apr 19, 2014

    if fuel is not contaminated, check throttle body. should this not be the problem, hook diagnostic tool .

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  • 69 Answers

Rough idle can be caused by vacuum leak, test the lines into the intake, if the dont hold vacuum, follow the line to detect the cause. Also the PCV could be broken and lead to a wrong air mixture. If check engine light is on I would expect lean bank codes...

Posted on Apr 19, 2014

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SOURCE: Sienna '99 vibration in driving after belts changed

very possible you might have a bad harmonic balancer ( crankshaft pulley). have that checked then go from there with replacing it.

Posted on Aug 06, 2009

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SOURCE: Vibration problems in 1kz te

Check calibration. Muffler supports from the front till the back, there should be proper clearance. Is your diesel fuel of proper cetane rating for the engine? Check your belt drive system, is there any part that is excessively draining engine power, power steering pump, air con compressor, alternator or generator? Do these preliminary steps and isolate.

Posted on Nov 29, 2009

xxsodasipper
  • 93 Answers

SOURCE: idling speed too low

Sounds like a possible vacuum leak, check to make sure all hose are connected and serviceable. Make sure your intake hoses/pipes are secured and fastened from the filter on to the throttle body. Also you can use a screwdriver to slowly turn the idle adjuster screw at the throttle body. This will Raise the idle of your vehicle. However only if all else fails.

Posted on Dec 14, 2009

  • 27 Answers

SOURCE: 2009 Toyota sienna Slight and constant vibration

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Posted on Jun 09, 2010

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