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1995 Chevy Truck acceleration

Tiny
SHUFF2249
  • MEMBER
  • 1995 CHEVROLET TRUCK
Engine Performance problem
1995 Chevy Truck V8 Two Wheel Drive Automatic

idles fine, revs fine in park or neutral. Bogs down while driving. What makes this happen?
Saturday, January 30th, 2010 AT 9:09 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test all 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)
Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
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Saturday, January 30th, 2010 AT 9:55 PM

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