tdowdy
New Member
I have a 2000 Honda Civic DX that is just recently has been getting harder and harder to start when the engine is cold. Once started the engine idle is rough and falls all over itself. Once the engine warms up, say 3-4 minutes the engine runs just fine. Also there is no problem with any quick acceleration as the car preforms very well once the engine has warmed up. Today, with the outside air temp in the low teens it took a good 5 minutes of getting it started.
I have an ODBD II scanner and there are two codes P0117 and P0420. The P0420 has been on there for 6 months.
Any ideas on what could be the causing these cold/rough start problems?
I have an ODBD II scanner and there are two codes P0117 and P0420. The P0420 has been on there for 6 months.
Any ideas on what could be the causing these cold/rough start problems?