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178 Posts
Hi, few years ago I imported desmo from states. Was sold through auction as vandalized, but turned out that it had blown timing gear. It coused 2 bent horizontal intake valves. After engine rebuild I faced a problem, engine does not want to rev over 6-7k. Fitted wideband to vertical and horizontal exhaust. AFR seems to be fine till 6k then it start to jump over 20.0(same happens and to vertical and horizontal cylinders) what is very lean. So then I:
1. Changed fuel pump and filter
2. Air temp sensor
3. Spark plugs
4. rpm sensor
5. Inspected injectors
6. Reset tps
7. Did ignition coil self testing
8. Double checked cam timing (centerline 113,5) strange thing that I had to turn horizontal intake cam by one tooth, to get it into proper position.
9. Timing marks at trigger wheel double checked
10. Ecu reflashed (thought maybe previous owner uploaded custom map for E85)
Nothing helped so far. Maybe someone has any ideas?
1. Changed fuel pump and filter
2. Air temp sensor
3. Spark plugs
4. rpm sensor
5. Inspected injectors
6. Reset tps
7. Did ignition coil self testing
8. Double checked cam timing (centerline 113,5) strange thing that I had to turn horizontal intake cam by one tooth, to get it into proper position.
9. Timing marks at trigger wheel double checked
10. Ecu reflashed (thought maybe previous owner uploaded custom map for E85)
Nothing helped so far. Maybe someone has any ideas?