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1989 Dodge Truck

Tiny
STALLED DODGE
  • MEMBER
  • 1989 DODGE TRUCK
Engine Performance problem
1989 Dodge Truck V8 Automatic

my truck starts and idles fine, but when you give it throttle it wont rev and kinda misfires and im thinking overloads. It will drive but has no power.
Tuesday, December 29th, 2009 AT 12:07 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the following below

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
Cap
Rotor
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Tuesday, December 29th, 2009 AT 1:25 PM

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