elantra 2002

2002 HYUNDAI ELANTRA
160,000 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
ELANTRA2002
  • MEMBER
  • 1 POST
code p0137 secondary o2 low circuit voltage change o2 sensor reset engine light code come back look at the plug norust ,check wire good check computer inside looks like new what is a problem
thank you
Jan 29, 2011 at 4:11 AM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
A code P0137 may mean that one or more of the following has happened:

Faulty o2 sensor Exhaust leak near the rear sensor
Plugged catalyst
Short to voltage on O2 signal circuit
High resistance or open on O2 signal circuit
Possible SolutionsReplace faulty sensor
Repair exhaust leak near the rear sensor
Check for restriction in catalyst and replace as necessary
Repair short, open, or high resistance on o2 signal circuit
Jan 29, 2011 at 4:23 AM