car knocking while stop on D mode

2011 TOYOTA VITZ
30,000 MILES • 3 CYL • 2WD • AUTOMATIC
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MOHSIN786786
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i have a model 1000 cc. all is best except car is knocking on "D" mode during stop and in reverse mode. kindly help. i do these thing throttle body cleaning, insert new plug, all filters changed, clean oxygen sensor, but still same problem there.
Dec 28, 2016 at 10:14 PM
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MHPAUTOS
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IF the knock goes away with higher throttle setting, get the oil pressure tested also make sure that the oil level is correct and not very low.
Jan 1, 2017 at 2:40 AM
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MOHSIN786786
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Yes knock goes away on 900 or 1000 rpm...but do u think oil pressure test required in these new model efi cars..
Jan 5, 2017 at 9:42 PM
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MHPAUTOS
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It sounds like a low oil pressure problem getting the pressure tested is a quick and simple check to see if pressure is below required levels at idle when this is known we can move on to other tests
Jan 6, 2017 at 3:21 PM