Pulsing power at start up?
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Pulsing power at start up?
After a cold start and then a moment or two, the engine seems to hesitate cyclically and subtly. No check engine light.
I clean the throttle body in Spring and Fall (just done). I've replaced the air filter, the O2 sensors (2), the fuel rail regulator, and the fuel filter.
Last thing is the fuel pump, but wondered if the cold condition systems vs. warm condition systems had a part in this. The hesitation dissappears within five minutes of running. Thoughts?
Rob
I clean the throttle body in Spring and Fall (just done). I've replaced the air filter, the O2 sensors (2), the fuel rail regulator, and the fuel filter.
Last thing is the fuel pump, but wondered if the cold condition systems vs. warm condition systems had a part in this. The hesitation dissappears within five minutes of running. Thoughts?
Rob
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