ChrisBMacon
New Member
1990 Honda Civic 4dr Sedan, Manaul trans. Opinion on what may be causing Check Engine until I get it checked this weekend.
Only comes on when I hit 55mph at 2500 rpm.
All exhaust replaced. Resonator back.
New exhaust manifold.
New wires/plugs.
Cleaned pvc valve.
Cleaned O2 sensor.
Replaced all hoses and vacume hoses.
Temp sensors OK with fan kicking in at 190.
No oil burn/leaks.
Alt. 13.5 output.
The check engine came on before I went thru the replacements also and I didn’t have it checked.
Any thoughts what it may be only at 55mph?
Only comes on when I hit 55mph at 2500 rpm.
All exhaust replaced. Resonator back.
New exhaust manifold.
New wires/plugs.
Cleaned pvc valve.
Cleaned O2 sensor.
Replaced all hoses and vacume hoses.
Temp sensors OK with fan kicking in at 190.
No oil burn/leaks.
Alt. 13.5 output.
The check engine came on before I went thru the replacements also and I didn’t have it checked.
Any thoughts what it may be only at 55mph?