1988 Ford F350

CHERRI_1152

MEMBER
1988 FORD F-350
V8
4WD
MANUAL
150,000 MILES

IT WAS THROWING 4 DIFFERENT CODES, I REPLACED THE HPFP, EGR VALVE, EGR SELONOID, AIR PRESSURE TEMPERATURE VALVE, NOW IT IS NOT SHOWING ANYMORE CODES, BUT IT RUNS LIKE GARBAGE AFTER 2000RPMS.

Sunday, February 17th, 2008 AT 10:57 AM

1 Reply

RASMATAZ

MECHANIC
75,992 POSTS

When last tune-up?

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Manifold absolute pressure sensor
12.Mass Airflow Sensor
13.Idle air control valve

Note: If it doesn't apply disregard it-