SPONSORED LINKS

2006 Buick Lucerne DTC P0443

Tiny
MIGHTYJOE15
  • MEMBER
  • 2006 BUICK LUCERNE
  • 80,000 MILES
What should I check first before replacing parts? I have cleaned the throttle body air filter has been replaced I sea-foamed the fuel injection system the check engine light comes on and stays on in the beginning it was intermittent.
Thursday, September 12th, 2013 AT 2:13 PM

2 Replies

Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
P0443 - Evaporative Emission Control System Purge Control Valve Circuit Malfunction

What the trouble code has found is the vapor recovery system circuit is malfunctioning, which 9 times out of 10 means the solenoid that purges the vapor back into the engine has failed or the wiring to it has failed. Replacing the purge control solenoid usually solves the problem.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
+1
Thursday, September 12th, 2013 AT 2:36 PM
Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
I agree. The part isnt that expensive, so its worth a shot. In order to test the part, you would need a vacuum pump, and a power probe. If you have access to those, we can further assist you in verifying the part has failed.
Was this
answer
helpful?
Yes
No
Saturday, September 14th, 2013 AT 7:03 PM

Please login or register to post a reply.

Sponsored links