1994 Dodge Ram

Engine Mechanical problem
1994 Dodge Ram V8 Four Wheel Drive Manual

i have a 5 speed and when approaching hills I accelerate to floor and it will not speed up till you reach top of hill. I have unhooked and plugged all vacuum lines except one line that operates evap purge vavle and egr vavle. I can not find the problem.
July 16, 2010.

Possibilities: Inspect and test all the following listed below: Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note: If it doesn't apply disregard it.

Jul 16, 2010.