Rough start / Hard to start after filling with gas
#1
Rough start / Hard to start after filling with gas
My car runs great, starts great all the time. Then, the first time i start the car after filling with gas, it takes a while to start, and after it's finally started, it idles erratically for a minute or two. It even does it if i fill up with 1/3 tank full (so waiting till it's empty is not the problem).
I have a 2003 1.8t. Has anyone had this problem?
I have a 2003 1.8t. Has anyone had this problem?
#2
RE: Rough start / Hard to start after filling with gas
After doing some searching, sounds like it may be the purge control valve? Which may make sense, since I had to disconnect it to replace the air filter. I reconnected it though, but may have screwed something up in the process.
What the heck does the thing do anyways? Is it important that I replace it if it is bad?
What the heck does the thing do anyways? Is it important that I replace it if it is bad?
#3
RE: Rough start / Hard to start after filling with gas
If I remeber right the valve puts vapors from the fuel tank into the intake. It does this during cold starts because the engine needs a richer mix at idle. I would think that if that was bad tho you would get a light on because its an emissions control item
#6
RE: Rough start / Hard to start after filling with gas
What's wierd, is I don't have a CEL on, and my gas cap is fine - I can unscrew the gas cap, put it back on, and the car starts fine. Like I said, the car is fine all the time, except for the first time i start it after filling up with gas. Very strange.
#9
RE: Rough start / Hard to start after filling with gas
ORIGINAL: rccks96
My car runs great, starts great all the time. Then, the first time i start the car after filling with gas, it takes a while to start, and after it's finally started, it idles erratically for a minute or two. It even does it if i fill up with 1/3 tank full (so waiting till it's empty is not the problem).
I have a 2003 1.8t. Has anyone had this problem?
My car runs great, starts great all the time. Then, the first time i start the car after filling with gas, it takes a while to start, and after it's finally started, it idles erratically for a minute or two. It even does it if i fill up with 1/3 tank full (so waiting till it's empty is not the problem).
I have a 2003 1.8t. Has anyone had this problem?
I will review my old maintenance records when I get home from work this afternoon and repost the remedy and cost.
#10
RE: Rough start / Hard to start after filling with gas
Evap purge valve, or the vacuum lines or one way check valve in the vacuum line. Check for leaks or cracks in these, and the 90 degree elbow joints on the passenger side of the engine. Took me a year of leaving my car running when I filled up to finally sort out the problem