I'm having trouble starting, it will crank and crank over I have to pump the gas numerous times.

Asked by Mar 12, 2015 at 09:03 AM about the 2002 Volvo S40

Question type: Maintenance & Repair

But it's FI, sometimes it will
barely hit then die, it's as if it's
not getting fuel at start up, but
runs good once started. It will
get a little sluggish at times. Is it
the fuel/air mixture or filter or
other problems?

1 Answer

I own the same car mine is doing the same thing and I replaced the front O 2 sensor (oxygen sensor) and now I want to go ahead and replace the back one also which I believe is the problem but the owner before me just replaced the timing belt and I was told they did not set the timing exact which i was wanting them to correct this which might add also to the problem mentioned also Im changing the thermostat. I've learned the timing off is effecting also my firing of my spark plugs. Research my findings.

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