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I am having lots of funny behavior with my 2003 9-5 3.0t over the last several months, including: hard starts some mornings, taking 2-3 cranks to get started, bucking under acceleration, and even stranger behavior with < 1/2 a tank of fuel in the car. I have also seen a slight decline in MPG (1-2 mpg) over the last few months.
This morning was the last straw, though - with not a lot of fuel left in the tank (I know, my bad!) - the car started fine, I put it in drive, went about 10 feet and the car cut out completely. Started back up and ran fine, but just too weird! It seems that when the tank is full, the car runs like a top... when the car is down to 3/4 -> 1/2 a tank, all of those symptoms above are constants.
All in all, with 114,000 miles on the car, I figured I should bite the bullet and at least try a new (Walbro) fuel pump. With the eEuro in-app discount, I got 10% off, so I got the pump and the tool for basically the same price as the pump.
Off-topic here, but I noticed that my car - which was a Northern California/Oregon car for 100k before I purchased it, and having now brought it down to Tennessee - it seems like the difference in climate has played some part in these parts wearing out quicker or at least kicking the bucket. We had a 110-degree heat index this week, for example, and I noticed many other components went out when the seasons changed last year.
Finally, a question - is it wise to swap out the check valves since I'm going to be doing this?
01 9-3 Viggen
03 9-5 Arc
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