94 F150

1994 Ford F-150

Tiny

navydadcv72

August, 21, 2011 AT 10:16 PM

94 ford f150 5.8 when driving down road trucks runs fine but when you try to do a hard acceleration motor cuts out tell you let off accelerator then engen picks back up. Under normal acc truck runs fine tell you try to punch it

FOUND 25379 RELATED QUESTIONS

Cj Stalling When Idling

33 ANSWERS
50 IMAGES

Stalling Out

43 ANSWERS
52 IMAGES

3 Answers

Tiny

rasmataz

August, 21, 2011 AT 10:35 PM

http://www.2carpros.com/articles/engine-hesitates

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.

Tiny

navydadcv72

August, 21, 2011 AT 10:42 PM

The truck starts and runs perfect but when you punch it the engine shuts down to a sputter and will stay that way for as long as you hold acc dowen once you let off acc engin picks back up and runs normal tell you punch it again

Tiny

rivermikerat

September, 20, 2011 AT 11:42 PM

Check the throttle position for smooth operation and resistance readings throughout the full range of motion. Check the throttle body for vacuum leaks. Wiggle the throttle plate where it goes through the throttle body, there should be no play. Perform a comprehensive vacuum leak test.

Please login or register to post a reply.

Code Read Retrieval/Clear
Code Read Retrieval/Clear Mercedes Benz
Read Codes Like a Pro
Code Read Retrieval/Clear Mercedes-Benz C230
 Step by Step video GMC Yukon XL 2000-2006
Code Read Retrieval/Clear Scion XD