Search results
-
please help 99 5.4L major loss of power look ins side for details
i have changed coils plugs mass air flow meter checked fuel psi 37 good dose not seam to have vacume leak loss of power on take off and shutters on highway like its missing but there is no check engine light only dose it under a load not at while running in park- Gegecat911
- Thread
- Replies: 1
- Forum: 1st Gen - 1997 - 2002
-
please help truck has lost power
my truck has lost power i have changed coil packs plugs mass air flow meter cleaned egr seams to have no vacume leaks but still the same loss of power and no check engine light 1999 5.4L very bad on highway shutters like its missing any ideas- Gegecat911
- Thread
- Replies: 0
- Forum: New Member Check-In
-
5.4L running very rough details inside.
99 5.4 have replaced plugs, coils, MAF, fuel filter, Cleaned egr/tb. Checked fuel pressure ok at 37psi. Unplugged each injector seems to be working properly. Loss of power on take off shudders bad on highway. No cel or codes checked with multiple diagnostic computers no issues found. Measured...- Gegecat911
- Thread
- Replies: 11
- Forum: 1st Gen - 1997 - 2002
