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1994 Toyota 4Runner powerless

Tiny
NOOZLE
  • MEMBER
  • 1994 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • MANUAL
  • 200 MILES
Hears the deal I am having problems with the power of my engine I can barly make it up hills sometimes I have to down shift to 1st to make it up. And these are normal hills! Nothing super steep also it seems to be running ruff. What could it be
Sunday, March 14th, 2010 AT 1:51 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below.

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
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Sunday, March 14th, 2010 AT 3:20 AM

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