
1991 Honda Civic DX 1.5L Excessive Emissions
I need to get 2500 rpm CO down to below 1.2. The aftermarket header has the O2 sensor in the #4 runner, but it is switching well. Cam timing, ignition timing and valves are right on. The high O2 may be indicating a bad cat. A visual on the front of the cat loo...
Summary posted 3/31/2006
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)11 Replies Received(Hide Replies)11 Replies Received
|
Message Closed w/Summary
|
VIN | 2HGED6352M |
Engine | 1.5 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / TBI |
Emissions | FED emissions |
Symptoms | Excessive Emissions |
Occurs | Under Load |
Misc. | Aftermarket Header and Muffler |
Message Closed w/Summary
Vehicle Data
1991 Honda Civic DX
VIN | 2HGED6352M |
Engine | 1.5 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / TBI |
Emissions | FED emissions |
Symptoms | Excessive Emissions |
Occurs | Under Load |
Misc. | Aftermarket Header and Muffler |