Question about 1999 Chevrolet Silverado 1500
A P0300 DTC is a misfire code. The P1441 is a no flow during purge code which has to do with the purge solenoid. With the misfire code present I would say you have a vacuum leak on one of the hoses. The purge solenoid is located in the passenger side, rear of the intake manifold.
Posted on Aug 29, 2009
P0300 is engine missfire code, p1441 is evap system flow druring non purge, valve is on passenger side of intake new valve should repair p1441
Posted on Sep 11, 2009
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Posted on Jan 02, 2017
Look under the hood on the fire wall behind the engine there is a black cover with 3 tall black what look like nuts. remove them and you will see a relay center, now there should be a brown wire marked timing may be not marked but pretty sure its brown just unplug it and go from there. I sure hopes that gets you going and thanks for using
Posted on Jul 20, 2008
It's on the driver side frame. It's not hard to install one. Just have to have a special tool to get the line off the filter.
Posted on Jan 08, 2009
DTC P0446 Evaporative Emission (EVAP) Vent System Performance
The vehicle control module (VCM) monitors the performance of the evaporative emission (EVAP) system by applying a predetermined level of vacuum to the EVAP system and monitors the vacuum decay rate. The VCM sets this diagnostic trouble code (DTC) if the vacuum decay rate is more than a predetermined value. The VCM monitors the amount of vacuum and the amount of pressure in the EVAP system by monitoring the fuel tank pressure sensor. For this DTC, the VCM turns ON both the EVAP purge valve and the EVAP vent valve when the Conditions for Running the DTC are met. This applies an engine vacuum to a closed EVAP system. The VCM turns OFF both the EVAP purge valve and the EVAP vent valve when the system reaches a correct amount of vacuum. The EVAP system should quickly RELEASE the vacuum in the EVAP system with the EVAP purge valve OFF and the EVAP vent valve OFF (open). This test indicates a blocked or restricted EVAP vent path if the EVAP system fails to release the vacuum quickly enough.
Posted on Dec 06, 2008
SOURCE: purge solenoid location
which vehicle are you actually looking for the purge solenoid on? you have 2 vehicles listed in your question. i'll answer both, lol
the locations are described as if you are looking at the engine from the front of the car with hood open.
on the blazer:
it is located on the left side of the intake manifold just under and behind the throttlebody. it is a canister looking device.
on the silverado:
it is located on the intake manifold on the left side in about the same spot as the blazer. providing the silverado has the 5.3 or 5.7 liter engine. if it also has the 4.3 then obviously it will be the same.
hope this helps!
Posted on Feb 17, 2009
Should be on the passenger side kickplate below the glovebox and to the right. You may have to remove the plastic panel to access it or look for a small hole in it and feel around for the button
Posted on Apr 23, 2009
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