0
The most probable cause is a vacuum leak or a bad fuel cap. Inspect all the vacuum hoses for damage and buy a new fuel cap, making sure it is tightly on the vehicle.
Wiki User
∙ 9y ago
Add your answer:
Earn +20 pts
P0449 code fix on a 2003 silverado?
The DTC P0449 is: EVAP Emission Control System Vent Vlv/Sol Malf Straight out of my code book. Hope this helps you out.
How do you fix engine code p0449?
Here is a video on how to fix engine code p0449
What does code p0449 evap emissions code for 2000 Pontiac grand prix?
Trouble code P0449 means: EVAP Vent Solenoid Control Circuit Malfunction
What does a code P0449 on a 2000 dodge neon mean?
Trouble code P0449 means: Evaporative Emission System Vent Control Circuit Intermittent
What is OBDII CODE P0449?
P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction
Radio unlock code for 2003 Chevy Silverado 2500 hd?
How do you un lock a raido on a 2003 chevy silverado
P0449 2005 Chevrolet Silverado we replaced the solenoid but still have a problem Gas cap is testing ok What else can cause this code?
http://www.gm-trucks.com/forums/index.php?showtopic=40659 (maybe this will help)
How do you fix engine light code PO455 on Chevy silverado 1500?
How can I repair the code po455 on my 2006 Chevrolet Silverado after replacing gas cap evap-canistor and a leak in a vacuum line.
Will a you damage your truck if you continue to drive it with the p0449 code?
No, but you will fail an emissions test.
What is Obdii code p0128 for 2006 silverado 1500?
Trouble code P0128 means: ECT Sensor Below Thermostat Regulating Temperature
Code P0101 Chevrolet Silverado 1500 v6 4.3 litter?
Trouble code P0101 means:Mass or volume circuit range performance problem
What is code P1416 on 2000 Chevrolet Silverado Pick-up 1500 and how do you fix?
Look for a leak in the port-side vacuum.
