Tachometer fluctuations

Tiny
RODNEY AUSTIN CLARK
  • MEMBER
  • 1990 TOYOTA CELICA
  • 2.2L
  • FWD
  • AUTOMATIC
  • 175,000 MILES
When applying gas, engine and tachometer revs up then flickers(fluctuates) like its intermittently receiving fuel and tries to correct its self, if throttle is applied more eventually it will either stall, or catch up and rev like normal.
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Tuesday, March 21st, 2017 AT 5:02 PM

5 Replies

Tiny
KEN
  • ADMIN
Hello,

Have you installed new spark plugs and wires lately? If not I would start there. Here is a guide to help you get the problem fixed.

https://www.2carpros.com/articles/how-to-change-spark-plugs

Please let us know what happens.

Best, Ken

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Friday, March 24th, 2017 AT 10:55 AM
Tiny
RODNEY AUSTIN CLARK
  • MEMBER
I took it to a shop, they replaced the spark plugs, wires and dist. Cap. Do you think they installed it incorrectly?
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Friday, March 24th, 2017 AT 1:23 PM
Tiny
KEN
  • ADMIN
Did you have the problem before they did the work? If not they could have cracked one of the spark plugs

Please let us know what happens.

Best, Ken
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Friday, March 24th, 2017 AT 6:58 PM
Tiny
RODNEY AUSTIN CLARK
  • MEMBER
Here is the full story. Bought it a year ago. Not even a month later it just died randomly no codes no warning signs. Toyota dealership replaced the coolant temperature sensor. Here is where it gets fuzzy. I believe this is where it started this flickering issue, though not as bad, it would still drive. When the problem showed itself it would be very quickly then back to normal. Took it to a shop, they replaced the spark plugs, plug wires, distributor cap, replaced the fuel filter and flushed the fuel lines. The problem is seemingly worse, less dependable almost everytime I get it to stall. I also have a video of the whole incident that I could show. Maybe attach through the email?
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Friday, March 24th, 2017 AT 8:31 PM
Tiny
KEN
  • ADMIN
Okay, it sounds like the ignition coil is shorting out. This is were I would start.
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Monday, March 27th, 2017 AT 6:38 PM

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