• Register
Ask OBDII Question

Engine Light ON?

The Engine-Codes.com ELM327 WiFi Car Diagnostic connects to your Android phone, iPhone, iPad, or Windows computer from your vehicle.

20,384 questions

10,327 answers

627 comments

7,552 users

Top Users

Reynaldo (3858 Points)
G37driver (2956 Points)
OBDIITech (2389 Points)
milonajo1 (737 Points)
OBDtech2 (165 Points)
corvette-78 (127 Points)
knowledge 1488 (124 Points)
Samat Bekov (117 Points)
ptl (113 Points)
sabtele (112 Points)

failed emission test with codes p0420 andp0340

Vehicle: 1998 saturn sl2
asked Jan 25, 2013 by anonymous

1 Answer

The P0340 is a bad cam position sensor code, the P0420 is a faulty converter. Normally replacement of both is required to resolve the issue.
answered Feb 13, 2013 by milonajo1 (737 points)

Related questions

Home - About Engine-Codes - Privacy Policy - Terms and Conditions - Copyright 2010- Engine-Codes.com

Engine-Codes.com - PerfectMats.com - TheAutoMedia.com
HelpForCars.net - Infinitihelp.com - Nissanhelp.com - CarZoneAutoRepair.com

...