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Check engine light comes on and starts missing and jerking?

Tiny
DRBARNES2
  • MEMBER
  • 1994 TOYOTA PICKUP
  • 2.4L
  • 4 CYL
  • 4WD
  • MANUAL
  • 180,000 MILES
Drives fine then check engine light comes on and starts missing and jerking then check engine light goes off and runs fine for a bit.

The truck has the new parts:

Spark plug and wires
Fuel filter
Distributor
Mass air flow sensor
Coil
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Sunday, August 7th, 2022 AT 7:54 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,702 POSTS
It sounds like you have a fuel injector that is shorting out. We should run the codes though because it could be the ignition ignitor. Here is a guide to help you:

https://www.2carpros.com/articles/toyota-trouble-code-definitions-and-code-gathering-method-1990-1995

This guide may help as well:

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

You maybe able to remove the new spark plugs to see which one looks different from the rest this can tell you which cylinder is having the issue. You might what to do all of the injectors because of the age of the truck. Check out the diagrams (below). Please let us know what happens.
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Monday, August 8th, 2022 AT 1:56 PM

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