1993 Toyota Starlet Engine Vibration

1993 TOYOTA STARLET
180,000 MILES • 1.5L • 4 CYL • FWD • AUTOMATIC
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KBMOBILES
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Hi,
my diesel Toyota has been vibrating a lot lately, especially when in Drive mode. When in neutral mode or park mode the vibration is back to normal. I have also noticed that the power decreased a lot and a lot of black smoke was coming out from the exhaust when the engine is in this vibrating mode. It is really annoying driving it in this state.
Yesterday I was driving this car, and suddenly the engine stopped vibrating. Immediately I have also noticed that the power came back to normal and the exhaust was not as heavy as before.
Can you please guide me what is wrong with it? My mechanic told me on my last visit, that the engine mountings need to be changed. Could this be the problem?

I appreciate your help and look forward to your reply.

Thanks

Kevin
Jul 8, 2015 at 10:51 PM
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MHPAUTOS
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I would be thinking that you may have a faulty fuel injector, ass the symptoms with the smoke and power issues would suggest an injector problem.
Jul 9, 2015 at 2:04 AM