P2013-002 code "Major leak in purge system. Hose in system not
connected or filler cap open P0455"
I'm guessing it is the gas cap, but maybe some leaky hose or something
but at least nothing particularly serious, just annoying. Interestingly
enough there is some parameter to watch in real time on the scanner that
shows the pressure/vac in the system, I could see that at idle but have
no idea what the normal reading should be.
--FT
On 1/13/21 11:53 AM, Dan Penoff via Mercedes wrote:
Those are always fun.
Toss your DAS on it and see what codes are stored. At least that way you’ll
know where it’s unhappy.
-D
On Jan 13, 2021, at 11:52 AM, Buggered Benzmail via Mercedes
<mercedes@okiebenz.com> wrote:
Drove the vehicle this morning. Took gas cap off and put it back on, cranked
it’s several clicks. After about 20min driving the blinking light came on
again but not CEL. Stopped, car sat for a coupla hours, drove home, no blinky
light. So it must be some marginal thing.
--FT
Sent from iPhone
On Jan 12, 2021, at 9:14 PM, Buggered Benzmail <buggeredbenzm...@gmail.com>
wrote:
Great, thanks. I’ll chase after it tomorrow
--FT
Sent from iPhone
On Jan 12, 2021, at 6:49 PM, Peter Frederick via Mercedes
<mercedes@okiebenz.com> wrote:
Check for split hoses, missing or torn gas cap gasket, and cracked plastic
parts. Any of them will give you fits, the tank does NOT vent out the cap (or
in, for that matter), all venting is through the evaporative control system.
You will need to verify the operation of all the valves too, as failures can
cause vacuum leaks (which is what you have and is setting the CEL) -- also make
sure the charcoal cartridge is not plugged with crud, air gets drawn through it
to clear the gasoline out of the charcoal and if the vent surface is clogged,
you will have excess fuel since it's not being drawn off.
Big PITA, but when it works it works well.
I need to check the system on the TE, I'm pretty sure some of my running issues
are a clogged vent line. Perfect size for mud daubers around here, just like
weedeaters.
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--
--FT
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