4 replies to this topic

[AJU]

Ok, another one of those cold start questions. First thing in the morning, the car starts really slowly - cranks fine, but doesn't fire right up like usual. It acts almost like it is a little flooded. When it does start it is kind of a stumbling, weak start. Cranks fine.

I recently changed out the fuel pump (didn't change the relay) and didn't get it all sealed up again properly as I found out when fuel was spilling out of the assembly. I know I need to open it back up and either replace the gasket, plastic nut or both. I have been living with it by not filling up the tank completely for a while. I am sure that the tank is not sealed because when I unscrew the cap the sound of air rushing in is not there. But I don't smell gas.

This starting issue never occurs when the engine is warm. It almost never occurs after the first start of the day. My ideas:

leaky fuel injector(s)
bad fuel pump relay
gasoline vapor not being contained in EVAP canister

I have not yet pulled the plugs to see if one is more fouled than the others. Anyone have any ideas?

TIA

[shurgen]

Do a search here on Italian Tune-up

[AJU]

Do a search here on Italian Tune-up

I make sure to get plenty of revs in in my everyday drive

[starfish]

Try cleaning your throttle body. Get an old tooth brush and some carb cleaner and scrub the carbon off the throttle plate and bore.

[AJU]

Try cleaning your throttle body.  Get an old tooth brush and some carb cleaner and scrub the carbon off the throttle plate and bore.

I don't think a dirty throttle body would have any effect on starting, as it is generally closed. I have cleaned out the IAC within the past couple of weeks, and I do keep it pretty clean.