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1992 Toyota 4Runner Question: Why does my engine shake when slightly idled up

 

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Subaru runner, Potwin, KS, May 27, 2014, 20:04
 Rookie

While at idle my engine run fine but when I slightly apply gas the engine shakes it does this sitting still in park and when on the interstate

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  • Answer #1

    goodguy May 28, 2014, 06:13
     Master

    does the check engine light come on ,It sounds you have an engine misfire under load but that is just a guess .I would have it scan tested for codes and live data

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    Subaru runner, May 30, 2014, 11:12
     Rookie

    Alright thanks no the check engine light gas not come on yet it happened after I replaced some vacume and coolant lines from a wire that shorted out and caused a fire but not directly after I replaced about 3 hours after I was thinking there may still be a vacume leak somewhere or a damaged sensor don't here vacume leak the sensor is directly on the back of the engine behind the intake right next to the coolant line running from engine to heater valve ganna try and replace it

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