22re with 173000 mi.Driving the other day hit a bump hard.check engine light comes on. Some lose of power but no apparent miss. Shut it off,restart no light,normal running, 50 mi. Later light back on same thing. What could it be? Any info would help. 1at time ever in 5 yrs this happened

 

Read the codes. http://web.archive.org/web/201410310...26diagnosi.pdf (There really is an SST as described in the manual, but we all use a paperclip.)