1992 Mazda B2600 hesitation

  • 1992 MAZDA B2600

Engine Performance problem
1992 Mazda b2600 4 cyl Two Wheel Drive Manual 120000 miles

why does my truck hesitate when I accelerate. It is like it automatically bogs down when I press the accelerator. If I can get it going it spits and sputters and it might begin to drive right or not, then it begins to spit and sputter again. This is driving me nuts. I can't seem to find anybody that can figure out whats wrong withit.

Do you
have the same problem?
Friday, November 13th, 2009 AT 4:13 PM

1 Reply


Oxygen sensor
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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Friday, November 13th, 2009 AT 4:48 PM

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