
1997 BMW 328is 2.8L Poor Idle Quality, Surge
Hello all; Clean, well maintained car. Engine surge when cold, open loop only. Runs well when warm, closed loop. This is a surge and not a cylinder miss. Appears to be lean on 4-6 then ecu compensates in closed loop. Smoke test and propane test show no leaks. ...
FIX posted 12/1/2006
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Message Closed w/FIX
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VIN | WBABG2328V |
Engine | 2.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge |
Occurs | Cold |
Trouble Codes
230 | control frequency 2 cyl 4-6 |
232 | jump time O2 2 cyl 4-6 |
242 | misfire cyl 5 |
254 | vent leak large |
Message Closed w/FIX
Vehicle Data
1997 BMW 328is
VIN | WBABG2328V |
Engine | 2.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge |
Occurs | Cold |
Trouble Codes
230 | control frequency 2 cyl 4-6 |
232 | jump time O2 2 cyl 4-6 |
242 | misfire cyl 5 |
254 | vent leak large |