Ecm 640c and ecm 21ac
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Ecm 640c and ecm 21ac
2006 s40 t5 im Stuck I have 2 codes Ecm 640c and ecm 21ac. Both indicate air leak in intake system smoke tested system no intake leaks found
car has new boost pressure sensor and turbo control valve along with previous owner who put on new maf and throttle body all bosh sensor except tcv
vehicle idles about 1280rpm but seems to drive okay. I have reset adaptive by disconnecting ecm and battery but codes still come back
car has new boost pressure sensor and turbo control valve along with previous owner who put on new maf and throttle body all bosh sensor except tcv
vehicle idles about 1280rpm but seems to drive okay. I have reset adaptive by disconnecting ecm and battery but codes still come back
Junior Member
Joined: Jul 2024
Posts: 1
Likes: 0
2006 s40 t5 im Stuck I have 2 codes Ecm 640c and ecm 21ac. Both indicate air leak in intake system smoke tested system no intake leaks found
car has new boost pressure sensor and turbo control valve along with previous owner who put on new maf and throttle body all bosh sensor except tcv
vehicle idles about 1280rpm but seems to drive okay. I have reset adaptive by disconnecting ecm and battery but codes still come back
car has new boost pressure sensor and turbo control valve along with previous owner who put on new maf and throttle body all bosh sensor except tcv
vehicle idles about 1280rpm but seems to drive okay. I have reset adaptive by disconnecting ecm and battery but codes still come back
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