
1990 Oldsmobile 98 Regency Brougham 3.8L Excessive Emissions
Do'es not pass Em test. our local test is bar 90, 2500 rpm and [...] that ecu is going into open loop at off Idle, over 800rpm and will cycle every 12-15 seconds open/closed, Temp won't matter 180 to 210 deg F. During closed loop o2 is normal lean/rich Switchi...
FIX posted 5/13/2005
![]()
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)6 Replies Received(Hide Replies)6 Replies Received
|
Message Closed w/FIX
|
VIN | 1G3CW54C6L |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / PFI |
Emissions | FED |
Symptoms | Excessive Emissions |
Occurs | Hot, Idle |
Message Closed w/FIX
Vehicle Data
1990 Oldsmobile 98 Regency Brougham
VIN | 1G3CW54C6L |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / PFI |
Emissions | FED |
Symptoms | Excessive Emissions |
Occurs | Hot, Idle |