Not exact matches
If it's more than 2 - 3 ounces (1 - 2 shot glasses) then you most likely have either a failed PCV
hose or a
vacuum leak that causes oil to be sucked into the intake.
But check all
Vacuum hoses on eng especially on computer control EGR control Valve A big
leak or blown
hose will cause the DPE code, Plus if
hose blown (melted) will cause stalling, rough idle and smell through the air intake duct..
added information, the car starts up but in order for it to keep running the accelerator has to be pushed over and over, the maf sensor was replaced and installed in correct direction, I also tried searching for
vacuum leaks but there was no change in rpm, could the
hoses to the intake boot be in wrong position?
Vacuum Leaks - I've visually inspected all vac lines / hoses and sprayed a little carb cleaner looking for l
Leaks - I've visually inspected all vac lines /
hoses and sprayed a little carb cleaner looking for
leaksleaks.
The VW had less than 50 miles transmission stopped working due to coffee spill, at 50k Thermostat stuck closed, then Coil pack, cracked coolant tank, abs module, 3 faulty engine coolant sensor, complete lower and upper suspension,
vacuum hose leak, starter, bad ground cable, driver window fell off the rail, AC stopped working, heater core clogged, hood cable broke, moon roof slides open on it's own, motor / transmission mounts, front snub mounts, 3 cracked oil pan for being to close to ground, driver window switch, rear light housing, + usual maintenance.
did not have a problem with the grinding of metal but the stuttering sound i had a
vacuum leak on the drivers side on the bottom side of the pvc
hose couldn't see it but felt it with my hand also with misfiring i changed the coil pack cleared it up!!
If the OP applies it through the brake
vacuum hose it will smoke like crazy for a few moments, the perfect time to look for exhaust
leaks.
Nor could I find any indication of a
vacuum leak - no whistling and all the
hoses seem intact.
There is a poor - man's boost -
leak test that involves plugging the intake (a pint - sized paint can works well I think), pulling the
vacuum reference line to the bypass valve (the small
hose), blowing into it, and then covering it with your thumb.
Vacuum leaks are quite painful to track down, but many have found that a mechanics stethoscope with an open
hose at the end can be helpful in tracking them down.
If the
vacuum hoses are cracked (
leaking), the EGR valve will not function properly.
Any rubber boot, bellows or
vacuum hose that is allowing air to
leak in can affect the way the car runs.
Inspects
vacuum hoses and fuel vapor lines and EVAP
vacuum lines for breaks or bends (these lines can be very long so time should be taken when inspecting them; it may be necessary to use a smoke machine to find
leaks successfully, especially small
leaks that are difficult to see)
With the car running and while applying the brake, checks for
vacuum leaks in the
vacuum lines,
hoses, air inlet tubes, and fuel injector
Check carefully under the hood to be sure there are no air large air
leaks in the intake system, such as the big boot at the throttle body or any other large
vacuum hoses.
It may be a
vacuum leak in one of the
hoses or in the intake manifold.
Ask the mechanic to inspect the
vacuum hoses and
leaks in the exhaust system.
What can cause the code P0446: - faulty vent control valve - blockage at the vent
hose, vent filter or vent control valve - open or short in the vent control valve circuit - bad charcoal canister - EVAP system
leak - faulty EVAP system pressure sensor - bad
vacuum switching valve (VSV)(Toyota, Lexus)- stuck open purge valve (solenoid) Examples: - A GM technical service bulletin for 1999 - 2007 Chevrolet Silverado and GMC Sierra describes a problem when if the vehicle is driven in dusty environment, the dust can enter into the canister vent
hose and cause restricted air flow that can set the code P0446.
Examples of
vacuum leaks include:
leaking intake manifold gasket, broken PCV valve or PCV
hose, disconnected
vacuum line, cracked
vacuum line, ripped intake snorkel - faulty fuel injector - damaged engine computer (PCM)- low fuel pressure -
leaking head gasket - low compression in the affected cylinder - valves that are out of adjustment - bad mass airflow sensor (random misfire).