Question about 2004 Buick Rendezvous
I have a code of po443 and it said it was the purge valve.
You got the code
You can google the code to learn about it
Type: OBD PO443
The internet will explain the valves function & location,etc
The fact you have a code don't mean the part is bad
It may well be,but the evap system has to be tested & the
valve component tested & fail to need replacement
Nothing to do with starting
It opens to pull fuel tank fumes into the engine & burn them
based on computer strategy
If it is stuck open then you get unmetered air into the motor &
it can effect your fuel trim & cylinder firing
Posted on May 14, 2014
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Posted on Jan 02, 2017
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