Helping a friend out on her t. She drove home yesterday after driving car all day running fine. Hit the highway and a plug wire fell off at plug. Put wire back on started car missing runs horrible. Pulled all plugs all look normal tanish brown.
Checked fuel pressure 40 with vaccum does not move when removing vaccum. Boost gauge is irradatic at idle. O2 mvs in 900 at idle on scanmaster. Replaced o2 same reading in 900. Tried resetting computer same issues. Tps is 40 ,unplugged maf tried restarting to run any better off then plugged in.
So where to go next...
Checked fuel pressure 40 with vaccum does not move when removing vaccum. Boost gauge is irradatic at idle. O2 mvs in 900 at idle on scanmaster. Replaced o2 same reading in 900. Tried resetting computer same issues. Tps is 40 ,unplugged maf tried restarting to run any better off then plugged in.
So where to go next...