[community towing]

Have an 1600 16v Ecotec with X16XEP engine just don't want to rev past 4000rpm go's like into rev limit and into limp mode if I force it and keep it at 4000rpm's spanner light come on gives of fault code that rev per minute sensor a circuit malfunction changed the crank sensor still the same checked the Ohm's from lead to plug on ecu 0.001-OHM have removed the intake flaps car pulls better but still does the same at 4000rpm checked the Cat its clear so as exhaust system rev it with out the exhaust still the same funniest thing is after in that mode if I switch the car of and on again fault code is gone but still can't go past 4000rpm have tested the cam sensor to it pulses good any body with an idea as where problem could be laying

[Ashraf6119]

What year is this vehicle..........? Also have you checked the timing....? Post all your fault codes here

[community towing]

Hi the only fault code is P0335 malfunction in cranksensor circuit A witch I have swopt around with a car that's perfect and have swopt the ECU still the same have removed sump checked the toothed gear ring no pins bent on it all gaps measured the same checked front cambelt pully's no play in it car is still doing the same funniest thing is if I drive it in 5th gear I can reach 4000rpm and keep it there for a while at 160kmh

[tremo1984]

Unplug the cam sensor and try it bud

[pmazo]

Hi its the cam shaft sensor that causes this problem most of the time on these engines

[rs@chip]

If its not cam sensor..you have faulty ecu...I had same problem before..