The normal RPM of an idle engine is somewhere between 600 to 1,000 RPM. If the pump is not replaced, the engine may continue to stall at the worst possible times.Ĥ: When your engine is idling, check the tachometer and see what the current RPM is. One minute the power may be fine, and the next the RPM drop too much and the engine shuts off. A secondary air injection pump that is wearing down can cause inconsistent power gaps from the engine.
If this ratio is too lean (not enough fuel), then your engine will have trouble generating speed whenever you step on the gas pedal.ģ: You may be driving normally and then suddenly experience engine stalling or hesitation in your vehicle. A failed emissions test in conjunction with weak acceleration is a decent indicator that it is the pump’s fault.Ģ: A faulty secondary air injection pump will cause problems for the air-to-fuel ratio in your internal combustion engine. And when the O2 sensors "get fault codes it throws of the air /fuel mixture so the car runs like a moron? :PĮDIT: I Just found this info around this, and its on spot with how the car is acting up.ġ: Poor acceleration could be caused by several mechanical issues, but a bad secondary air injection pump is certainly one possibility. so its not clogged up or leaky as far as i can tell, but the pump is gone. clened all the pipes for the sai system a little while back. For off-road use only.ĭid you go about that or just leave the rest of the sai system in place?īTW my blower is dead, so yeah. Proper programming is required to eliminate these codes. Quote 034 Motorsport: Note: Removing your SAI system will cause check engine codes.
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