1995 Toyota Pickup 95 Toyota Pickup 4 cyl

Tiny
RUNNER17_1
  • MEMBER
  • 1995 TOYOTA PICKUP
  • 4 CYL
  • 4WD
  • MANUAL
  • 67,000 MILES
The truck seems to die out and jump when I accelerate I changed out the oil and the fuel filter and it still does it
Saturday, February 14th, 2009 AT 4:52 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be caused by the following:

Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires
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Sunday, February 15th, 2009 AT 4:16 AM

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