Odd Hard Start Issue
dbpulvino at hotmail.com
Tue Dec 17 19:41:08 EST 2002
I'm having the same kind of problem with my car and haven't been able to
figure out what's causing it. I have problems with it starting, but at this
point it's more of a problem with it starting hard when warm, although
sometimes when warm it will start right up. Starts right up after sitting
over night. Thought also about fuel pressure maybe releasing, but then I
should have a problem after sitting overnight.
I noticed I had some oil coming out of my distributor, and inside the cap
with the contacts a bit worn looking. Replacing the cap made no difference.
Fuel filter is fine in my car, probably has about the same mileage as
yours. I've considered spark plugs, but the one I pulled out looked fine.
Same situation with no fault codes.
The car does have a coolant temp sensor, but from what I've seen, if that's
bad it should throw a code. I haven't double checked resistances or
anything. I'm kind of at the same place you are as in don't know where to
look. Also checked plug wires to see if they might have been arcing,
nothing there either.
Do you notice it starting hard more when cold or warm? I'm kind of at a
loss, and thought about just changing the plugs to see if that made a
difference. Haven't done that yet.
From: "Jobe Tichy" <bimmer_dude at hotmail.com>
To: 200q20v at audifans.com
Subject: Odd Hard Start Issue
Date: Tue, 17 Dec 2002 22:40:08 +0000
[ Converted text/html to text/plain ]
Just in time for the holidays...I've got a 20v issue.
For about the past week, the 20v has had difficulty firing up on the first
cranks. In order to start the car, I have to crank it a few
revolutions--stop--crank a few more--than it sputters up and runs/idles
perfectly, full boost, etc.
The last time I had this problem, was about a year ago. The problem with
hard start last year was a ruptured bypass valve line. So, I rerouted the
line around the engine and problem solved. Because the symptoms are the
I check my line and tested the bypass valve last night with the Mityvac and
checked out OK. I also just got done pulling the codes at idle and got the
joyous 4444 no codes thrown, which makes it even more confusing. I was
that a code would lead me in the right direction.
The only thing I have recently done differently is run 12 gallons with a
cleaner (because I pulled my codes wrong last time and thought all my fuel
injectors were going bad...my fault, I was actually doing the output test).
So, does anyone think that the hard start problem can be caused by carbon
build up and other crap getting forced through my fuel system? Is the fuel
filter element now clogged because of the cleaner forcing stuff through?
filter is less than 10,000 miles old so I doubt it's in the filter. Are the
fuel injectors merely coughing out crap from the cleaner? The hard start
issues is fairly sporratic. Sometimes it starts really difficultly--others
times it fires right up. This is what leads me to believe it is fuel
Do the 20v's have thermotemp switches like the 10v's, which have been guilty
of causing hard start problems on 10v's?
Any tips, experience with fuel cleaners, or BTDT with crazy starts would be
greatly appreciated. I checked the archives and my consensus was that most
problems got codes pointing them in the right direction. I also checked the
engine sensor ground wires, as was suggested in the archives, to no avail.
Thanks in advance.
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