1993 Mazda B2200 no power

Tiny
MARSHBRIZ23
  • MEMBER
  • 1993 MAZDA B2200
  • 4 CYL
  • 2WD
  • MANUAL
  • 149,000 MILES
The truck runs fine starts great but when I take off in first and even in all the gears it has no power behind it. Ive done compression tests and checked fuel filter and injectors even exhust. Some one told me it could be the computer but am still not sure of that, its a new comp. The clutch was replaced and the the transmission was checked and came out fine. Why am I not getting any power?
Monday, July 13th, 2009 AT 6:37 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Monday, July 13th, 2009 AT 7:01 PM

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