
1997 BMW 528i 2.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on
rough idle upon cold start- check engine light on. found four codes, p1250,p0173,p1189,p0301. fuel trim way off. smoked intake and replaced lower hose to crankcase vent valve- smoked three times after- no more leaks. reset computer and test drove several times...
FIX posted 9/30/2006
![]()
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)12 Replies Received(Hide Replies)12 Replies Received
|
Message Closed w/FIX
|
VIN | WBADD6325V |
Engine | 2.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
Occurs | Cold |
Trouble Codes
P0173 | Fuel Trim Lean Or Rich (Bank 2) |
P0301 | Cylinder 1 Misfire Detected |
P1189 | Throttle Inlet Pressure Sensor Circuit Low Voltage |
P1250 | Vacuum Reservoir Solenoid Circuit Open |
Message Closed w/FIX
Vehicle Data
1997 BMW 528i
VIN | WBADD6325V |
Engine | 2.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
Occurs | Cold |
Trouble Codes
P0173 | Fuel Trim Lean Or Rich (Bank 2) |
P0301 | Cylinder 1 Misfire Detected |
P1189 | Throttle Inlet Pressure Sensor Circuit Low Voltage |
P1250 | Vacuum Reservoir Solenoid Circuit Open |