Code P0442 1998 Riviera Supercharged

1,245

Asked by Sep 17, 2015 at 02:08 PM about the 1998 Buick Riviera Supercharged Coupe

Question type: Maintenance & Repair

Greetings, my 98 Riviera  for three months has pulled the above mentioned code. This code is reference to a defective gas cap and purge valve (both I have changed). This code P0442 also refers to a vent valve as  the possible culprit. I need help directing me to where this part is located. Then if that doesn't solve the problem my next step is to have a smoke test perform. Thanks..

5 Answers

106,475

its near the tank....

2 of 2 people found this helpful.
106,475

This is what the part looks like....

1,245

Thanks to both responses.

106,475

No problem, good luck..just hit the helpful button if the anwser helped...

1 of 1 people found this helpful.
1,245

Joemom..Thanks

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