1993 Ford F-150 Repair Question
Asked on February 14, 2011
Truck lags
1993 ford f150 4.9L - Lags when accelerating...I step on the gas and it slowly starts to accelerate then finally after a second or two starts to pick up speed. It also jumps and****** on occasion when I am taking off from stopped. I am thinking exhaust system?
Asked by bborchersAnswer
Replied on February 14, 2011
Could be caused by one of the following 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.
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 and keep testing.
Replied on February 15, 2011
Will begin tomorrow...lol...thanks razmataz