SPONSORED LINKS

1990 Pontiac Bonneville Engine Diagnostic Codes

Tiny
SOTOFLEX
  • MEMBER
  • 1990 PONTIAC BONNEVILLE
Computer problem
1990 Pontiac Bonneville 6 cyl Front Wheel Drive Automatic

Can you tell me what codes are 23, 34, 42 and 44?
Thursday, September 24th, 2009 AT 1:04 PM

5 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Your vehicle uses the OBD II system, the trouble codes should be similar to this EX: P1200, B1327 etc. . Have a part store retrieve the trouble codes for you with their scanner. Most do it free of charge.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Thursday, September 24th, 2009 AT 1:15 PM
Tiny
SOTOFLEX
  • MEMBER
  • 3 POSTS
Sorry I wrote the wrong year, its a 1990
Was this
answer
helpful?
Yes
No
Thursday, September 24th, 2009 AT 1:36 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Oh ok, give me just a minute and i'll pull the code details for you
Was this
answer
helpful?
Yes
No
Thursday, September 24th, 2009 AT 1:51 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
CODE 23 : MAT Sensor Signal Volt High

CODE 34: MAF (mass airflow) sensor faulty / not reading

CODE 42: EST Ignition Circuit

CODE 44: Lean Exhaust Indication
Was this
answer
helpful?
Yes
No
Thursday, September 24th, 2009 AT 2:37 PM
Tiny
SOTOFLEX
  • MEMBER
  • 3 POSTS
Thanks a million!
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Thursday, September 24th, 2009 AT 6:52 PM

Please login or register to post a reply.

Sponsored links